diff --git a/config/feature-config.schema.json b/config/feature-config.schema.json
new file mode 100644
index 00000000..e293b3a3
--- /dev/null
+++ b/config/feature-config.schema.json
@@ -0,0 +1,44 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://github.com/pikasTech/HWLAB/config/feature-config.schema.json",
+  "title": "HWLAB product feature configuration",
+  "type": "object",
+  "additionalProperties": false,
+  "properties": {
+    "tracePanel": {
+      "x-unidesk-feature": "workbench.trace-panel",
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "autoExpandRunning": { "type": "boolean" },
+        "autoCollapseTerminal": { "type": "boolean" }
+      }
+    },
+    "rawEvents": {
+      "x-unidesk-feature": "workbench.raw-events",
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "enabled": { "type": "boolean" },
+        "maxEntries": { "type": "integer", "minimum": 1 },
+        "maxRetainedBytes": { "type": "integer", "minimum": 1 }
+      }
+    },
+    "debugReplay": {
+      "x-unidesk-feature": "workbench.debug-replay",
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "enabled": { "type": "boolean" }
+      }
+    },
+    "views": {
+      "x-unidesk-feature": "workbench.views",
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "traceExplorerUrlTemplate": { "type": "string", "minLength": 1 }
+      }
+    }
+  }
+}
diff --git a/deploy/deploy.yaml b/deploy/deploy.yaml
index 5ac749c0..2ae60ebb 100644
--- a/deploy/deploy.yaml
+++ b/deploy/deploy.yaml
@@ -621,9 +621,6 @@ lanes:
           HWLAB_CLOUD_WEB_DISPLAY_TIME_ZONE: Asia/Shanghai
           HWLAB_CLOUD_WEB_DISPLAY_TIME_LOCALE: zh-CN
           HWLAB_CLOUD_WEB_DISPLAY_TIME_LABEL: 北京时间
-          HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED: "true"
-          HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_ENABLED: "true"
-          HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED: "false"
           HWLAB_WORKBENCH_KAFKA_DEBUG_REPLAY_ENABLED: "true"
           HWLAB_CLOUD_WEB_OPENCODE_UPSTREAM_URL: http://opencode-server.hwlab-v03.svc.cluster.local:4096
           HWLAB_CLOUD_WEB_OPENCODE_USERNAME: secretRef:hwlab-opencode-server-auth/username
@@ -850,11 +847,6 @@ lanes:
           HWLAB_CODE_AGENT_AGENTRUN_REPO_URL: http://gitea-http.devops-infra.svc.cluster.local:3000/mirrors/pikasTech-HWLAB.git
           HWLAB_KAFKA_ENABLED: "true"
           HWLAB_KAFKA_AGENTRUN_EVENT_CONSUME_ENABLED: "true"
-          HWLAB_KAFKA_DIRECT_PUBLISH_ENABLED: "true"
-          HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED: "true"
-          HWLAB_KAFKA_TRANSACTIONAL_PROJECTOR_ENABLED: "false"
-          HWLAB_KAFKA_PROJECTION_OUTBOX_RELAY_ENABLED: "false"
-          HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED: "false"
           HWLAB_WORKBENCH_KAFKA_DEBUG_REPLAY_ENABLED: "true"
           HWLAB_KAFKA_BOOTSTRAP_SERVERS: platform-infra-kafka-kafka-bootstrap.platform-infra.svc.cluster.local:9092
           HWLAB_KAFKA_STDIO_TOPIC: codex-stdio.raw.v1
diff --git a/internal/cloud/kafka-event-bridge.test.ts b/internal/cloud/kafka-event-bridge.test.ts
index 89512113..9ed5f38b 100644
--- a/internal/cloud/kafka-event-bridge.test.ts
+++ b/internal/cloud/kafka-event-bridge.test.ts
@@ -6,7 +6,7 @@ import { test } from "bun:test";
 
 import { createCloudApiBunServer } from "./bun-server.ts";
 import { buildCloudApiReadiness } from "./health-contract.ts";
-import { decodeCanonicalAgentRunKafkaMessage, kafkaEventBridgeConfig, liveKafkaOtelSpanAttributes, projectAgentRunKafkaEventToHwlabEvent, publishAgentRunKafkaMessageLive, relayHwlabKafkaOutboxOnce, shouldEmitLiveKafkaOtelSpan, startHwlabKafkaEventBridge } from "./kafka-event-bridge.ts";
+import { decodeCanonicalAgentRunKafkaMessage, kafkaEventBridgeConfig, projectAgentRunKafkaEventToHwlabEvent, relayHwlabKafkaOutboxOnce, startHwlabKafkaEventBridge } from "./kafka-event-bridge.ts";
 
 const PROJECTOR_ENV = Object.freeze({
   HWLAB_KAFKA_DIRECT_PUBLISH_ENABLED: "false",
@@ -31,23 +31,6 @@ const PROJECTOR_ENV = Object.freeze({
   HWLAB_KAFKA_OUTBOX_RELAY_RETRY_BACKOFF_MS: "1000"
 });
 
-const LIVE_ENV = Object.freeze({
-  HWLAB_KAFKA_DIRECT_PUBLISH_ENABLED: "true",
-  HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED: "true",
-  HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_ENABLED: "false",
-  HWLAB_KAFKA_TRANSACTIONAL_PROJECTOR_ENABLED: "false",
-  HWLAB_KAFKA_PROJECTION_OUTBOX_RELAY_ENABLED: "false",
-  HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED: "false",
-  HWLAB_KAFKA_ENABLED: "true",
-  HWLAB_KAFKA_AGENTRUN_EVENT_CONSUME_ENABLED: "true",
-  HWLAB_KAFKA_BOOTSTRAP_SERVERS: "kafka.test:9092",
-  HWLAB_KAFKA_AGENTRUN_EVENT_TOPIC: "agentrun.event.v1",
-  HWLAB_KAFKA_EVENT_TOPIC: "hwlab.event.v1",
-  HWLAB_KAFKA_CLIENT_ID: "hwlab-live-test",
-  HWLAB_KAFKA_AGENTRUN_EVENT_GROUP_ID: "hwlab-live-bridge-fixed",
-  HWLAB_KAFKA_HWLAB_EVENT_GROUP_ID: "hwlab-live-fanout-fixed"
-});
-
 test("projects AgentRun assistant_message Kafka event into HWLAB trace event", () => {
   const projected = projectAgentRunKafkaEventToHwlabEvent({
     schema: "agentrun.event.v1",
@@ -322,110 +305,40 @@ test("projects AgentRun terminal_status Kafka event into terminal HWLAB event",
   assert.equal(projected.event.message, "AgentRun completed");
 });
 
-test("live Kafka publisher has no PG inbox, facts, checkpoint, or outbox dependency", async () => {
-  const sent = [];
-  const runtimeStore = new Proxy({}, { get() { throw new Error("unexpected DB access"); } });
-  void runtimeStore;
-  const result = await publishAgentRunKafkaMessageLive({ topic: "agentrun.event.v1", partition: 3, message: canonicalMessage({ offset: "71" }) }, {
-    producer: { async send(input) { sent.push(input); } },
-    config: { clientId: "hwlab-live-test", hwlabTopic: "hwlab.event.v1" },
-    logger: null
+test("Workbench bridge ignores obsolete architecture env and fixes transactional authority", () => {
+  const config = kafkaEventBridgeConfig({
+    ...PROJECTOR_ENV,
+    HWLAB_KAFKA_DIRECT_PUBLISH_ENABLED: "true",
+    HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED: "true",
+    HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_ENABLED: "true",
+    HWLAB_KAFKA_TRANSACTIONAL_PROJECTOR_ENABLED: "false",
+    HWLAB_KAFKA_PROJECTION_OUTBOX_RELAY_ENABLED: "false",
+    HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED: "false"
   });
-  assert.equal(result.published, true);
-  assert.equal(sent.length, 1);
-  assert.equal(JSON.parse(sent[0].messages[0].value).sourceEvent.offset, "71");
+
+  assert.equal(config?.projectorGroupId, "hwlab-projector-test-v1");
+  assert.deepEqual(config?.relay, {
+    intervalMs: 60000,
+    batchSize: 1,
+    leaseMs: 30000,
+    sendTimeoutMs: 10000,
+    retryBackoffMs: 1000
+  });
+  assert.deepEqual(Object.keys(config ?? {}).sort(), ["agentRunTopic", "brokers", "clientId", "hwlabTopic", "projectorGroupId", "projectorHeartbeatIntervalMs", "relay"]);
 });
 
-test("live Kafka OTel sampling is deterministic and bounded without payload attributes", () => {
-  const envelope = (agentRunEventType, sourceSeq, event = {}) => ({
-    schema: "hwlab.event.v1",
-    eventId: `hwlab:evt_otel_${sourceSeq}`,
-    sourceEventId: `evt_otel_${sourceSeq}`,
-    traceId: "trc_live_otel",
-    hwlabSessionId: "ses_live_otel",
-    runId: "run_live_otel",
-    commandId: "cmd_live_otel",
-    context: { agentRunEventType, sourceSeq, valuesRedacted: true },
-    event: { type: "backend", eventType: "backend", terminal: false, message: "must-not-leak", payload: { password: "must-not-leak" }, ...event }
-  });
+test("Workbench bridge does not require the six obsolete architecture env", () => {
+  const env = { ...PROJECTOR_ENV };
+  for (const name of [
+    "HWLAB_KAFKA_DIRECT_PUBLISH_ENABLED",
+    "HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED",
+    "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_ENABLED",
+    "HWLAB_KAFKA_TRANSACTIONAL_PROJECTOR_ENABLED",
+    "HWLAB_KAFKA_PROJECTION_OUTBOX_RELAY_ENABLED",
+    "HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED"
+  ]) delete env[name];
 
-  assert.equal(shouldEmitLiveKafkaOtelSpan(envelope("assistant_message", 1, { type: "assistant" })), true);
-  assert.equal(shouldEmitLiveKafkaOtelSpan(envelope("tool_call", 2, { type: "tool" })), true);
-  assert.equal(shouldEmitLiveKafkaOtelSpan(envelope("terminal_status", 3, { type: "result", terminal: true })), true);
-  const decisions = Array.from({ length: 64 }, (_, index) => shouldEmitLiveKafkaOtelSpan(envelope("command_output", index + 1, { type: "output" })));
-  assert.deepEqual(decisions, Array.from({ length: 64 }, (_, index) => (index + 1) % 32 === 0));
-  assert.deepEqual(decisions, Array.from({ length: 64 }, (_, index) => shouldEmitLiveKafkaOtelSpan(envelope("command_output", index + 1, { type: "output" }))));
-
-  const attributes = liveKafkaOtelSpanAttributes(envelope("assistant_message", 1, { type: "assistant" }), {
-    topic: "hwlab.event.v1",
-    partition: 2,
-    offset: "14"
-  });
-  assert.deepEqual(attributes, {
-    businessTraceId: "trc_live_otel",
-    hwlabSessionId: "ses_live_otel",
-    runId: "run_live_otel",
-    commandId: "cmd_live_otel",
-    topic: "hwlab.event.v1",
-    partition: 2,
-    offset: "14",
-    sourceTopic: null,
-    sourcePartition: null,
-    sourceOffset: null,
-    eventType: "assistant_message",
-    terminal: false,
-    valuesRedacted: true
-  });
-  assert.equal(JSON.stringify(attributes).includes("must-not-leak"), false);
-});
-
-test("composable Kafka capabilities reject consumer group collisions", () => {
-  assert.throws(
-    () => kafkaEventBridgeConfig({
-      ...LIVE_ENV,
-      HWLAB_KAFKA_TRANSACTIONAL_PROJECTOR_ENABLED: "true",
-      HWLAB_KAFKA_PROJECTOR_GROUP_ID: LIVE_ENV.HWLAB_KAFKA_AGENTRUN_EVENT_GROUP_ID,
-      HWLAB_KAFKA_PROJECTOR_HEARTBEAT_INTERVAL_MS: "1000"
-    }),
-    (error) => error?.code === "hwlab_kafka_consumer_groups_not_distinct"
-  );
-});
-
-test("Workbench bridge fails closed unless transactional projection authority is complete", () => {
-  const invalidAuthorities = [
-    { name: "direct/live-only", env: LIVE_ENV },
-    {
-      name: "projection realtime only",
-      env: {
-        HWLAB_KAFKA_DIRECT_PUBLISH_ENABLED: "false",
-        HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED: "false",
-        HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_ENABLED: "false",
-        HWLAB_KAFKA_TRANSACTIONAL_PROJECTOR_ENABLED: "false",
-        HWLAB_KAFKA_PROJECTION_OUTBOX_RELAY_ENABLED: "false",
-        HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED: "true"
-      }
-    },
-    { name: "projector without outbox relay", env: { ...PROJECTOR_ENV, HWLAB_KAFKA_PROJECTION_OUTBOX_RELAY_ENABLED: "false" } },
-    { name: "projector without projection realtime", env: { ...PROJECTOR_ENV, HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED: "false" } },
-    {
-      name: "direct and transactional dual authority",
-      env: {
-        ...PROJECTOR_ENV,
-        HWLAB_KAFKA_DIRECT_PUBLISH_ENABLED: "true",
-        HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED: "true",
-        HWLAB_KAFKA_AGENTRUN_EVENT_GROUP_ID: "hwlab-direct-authority-test",
-        HWLAB_KAFKA_HWLAB_EVENT_GROUP_ID: "hwlab-live-authority-test"
-      }
-    }
-  ];
-
-  for (const authority of invalidAuthorities) {
-    assert.throws(
-      () => startHwlabKafkaEventBridge({ env: authority.env, runtimeStore: {} }),
-      (error: any) => error?.code === "hwlab_workbench_transactional_authority_required",
-      authority.name
-    );
-  }
+  assert.doesNotThrow(() => kafkaEventBridgeConfig(env));
 });
 
 test("projects AgentRun run-created envelope even when no source event is present", () => {
diff --git a/internal/cloud/kafka-event-bridge.ts b/internal/cloud/kafka-event-bridge.ts
index 225856f0..6462721e 100644
--- a/internal/cloud/kafka-event-bridge.ts
+++ b/internal/cloud/kafka-event-bridge.ts
@@ -4,12 +4,7 @@
 import { createHash, randomUUID } from "node:crypto";
 
 import { Kafka, logLevel } from "kafkajs";
-import { emitCodeAgentOtelSpan } from "./otel-trace.ts";
 import { buildWorkbenchProjectionEventFacts } from "./workbench-projection-writer.ts";
-import {
-  WORKBENCH_REALTIME_CAPABILITY_ENVS,
-  workbenchRealtimeCapabilities
-} from "./workbench-realtime-capabilities.ts";
 
 const TRUE_VALUES = new Set(["1", "true", "yes", "on"]);
 export const DEFAULT_AGENTRUN_EVENT_TOPIC = "agentrun.event.v1";
@@ -22,7 +17,6 @@ export const AGENTRUN_STDIO_RECONSTRUCTION_KIND = "stdio-derived partial reconst
 const DEFAULT_CLIENT_ID = "hwlab-v03-cloud-api";
 const DEFAULT_QUERY_TIMEOUT_MS = 5000;
 const DEFAULT_QUERY_LIMIT = 50;
-const LIVE_KAFKA_COMMAND_OUTPUT_OTEL_SAMPLE_MODULUS = 32;
 const REQUIRED_KAFKA_ENV = Object.freeze([
   "HWLAB_KAFKA_BOOTSTRAP_SERVERS",
   "HWLAB_KAFKA_AGENTRUN_EVENT_TOPIC",
@@ -31,35 +25,19 @@ const REQUIRED_KAFKA_ENV = Object.freeze([
 ]);
 
 export function kafkaEventBridgeConfig(env = process.env) {
-  const featureEnvPresent = Object.values(WORKBENCH_REALTIME_CAPABILITY_ENVS).some((name) => stringValue(env[name]));
   const legacyKafkaEnabled = truthy(env.HWLAB_KAFKA_AGENTRUN_EVENT_CONSUME_ENABLED ?? env.HWLAB_KAFKA_AGENTRUN_CONSUME_ENABLED ?? env.HWLAB_KAFKA_ENABLED);
-  if (!featureEnvPresent && !legacyKafkaEnabled) return null;
-  const capabilities = workbenchRealtimeCapabilities(env);
-  if (capabilities.kafkaRefreshReplay && !capabilities.liveKafkaSse) {
-    throw contractError("hwlab_kafka_refresh_live_dependency_missing", "Kafka refresh replay requires the independently enabled live Kafka SSE capability for handoff.");
-  }
-  const kafkaEnabled = capabilities.directPublish || capabilities.liveKafkaSse || capabilities.kafkaRefreshReplay || capabilities.transactionalProjector || capabilities.projectionOutboxRelay;
-  const transactionalEnabled = capabilities.transactionalProjector || capabilities.projectionOutboxRelay || capabilities.projectionRealtime;
-  if (!kafkaEnabled && !transactionalEnabled) return null;
-  const required = [...REQUIRED_KAFKA_ENV];
-  if (!kafkaEnabled) required.length = 0;
-  if (capabilities.directPublish) required.push("HWLAB_KAFKA_AGENTRUN_EVENT_GROUP_ID");
-  if (capabilities.liveKafkaSse) required.push("HWLAB_KAFKA_HWLAB_EVENT_GROUP_ID");
-  if (capabilities.kafkaRefreshReplay) required.push(
-    "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_GROUP_PREFIX",
-    "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_TIMEOUT_MS",
-    "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_SCAN_LIMIT",
-    "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_MATCHED_EVENT_LIMIT",
-    "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_LIVE_BUFFER_LIMIT"
-  );
-  if (capabilities.transactionalProjector) required.push("HWLAB_KAFKA_PROJECTOR_GROUP_ID", "HWLAB_KAFKA_PROJECTOR_HEARTBEAT_INTERVAL_MS");
-  if (capabilities.projectionOutboxRelay) required.push(
+  const kafkaConfigured = REQUIRED_KAFKA_ENV.every((name) => stringValue(env[name]));
+  if (!legacyKafkaEnabled && !kafkaConfigured) return null;
+  const required = [
+    ...REQUIRED_KAFKA_ENV,
+    "HWLAB_KAFKA_PROJECTOR_GROUP_ID",
+    "HWLAB_KAFKA_PROJECTOR_HEARTBEAT_INTERVAL_MS",
     "HWLAB_KAFKA_OUTBOX_RELAY_INTERVAL_MS",
     "HWLAB_KAFKA_OUTBOX_RELAY_BATCH_SIZE",
     "HWLAB_KAFKA_OUTBOX_RELAY_LEASE_MS",
     "HWLAB_KAFKA_OUTBOX_RELAY_SEND_TIMEOUT_MS",
     "HWLAB_KAFKA_OUTBOX_RELAY_RETRY_BACKOFF_MS"
-  );
+  ];
   const missing = required.filter((name) => !stringValue(env[name]));
   if (missing.length > 0) {
     const error = new Error(`HWLAB Kafka capability configuration is incomplete: ${missing.join(", ")}`);
@@ -71,77 +49,37 @@ export function kafkaEventBridgeConfig(env = process.env) {
   const agentRunTopic = stringValue(env.HWLAB_KAFKA_AGENTRUN_EVENT_TOPIC);
   const hwlabTopic = stringValue(env.HWLAB_KAFKA_EVENT_TOPIC);
   const clientId = stringValue(env.HWLAB_KAFKA_CLIENT_ID);
-  const relay = capabilities.projectionOutboxRelay ? {
+  const relay = {
     intervalMs: strictPositiveInteger(env.HWLAB_KAFKA_OUTBOX_RELAY_INTERVAL_MS, "HWLAB_KAFKA_OUTBOX_RELAY_INTERVAL_MS"),
     batchSize: strictPositiveInteger(env.HWLAB_KAFKA_OUTBOX_RELAY_BATCH_SIZE, "HWLAB_KAFKA_OUTBOX_RELAY_BATCH_SIZE"),
     leaseMs: strictPositiveInteger(env.HWLAB_KAFKA_OUTBOX_RELAY_LEASE_MS, "HWLAB_KAFKA_OUTBOX_RELAY_LEASE_MS"),
     sendTimeoutMs: strictPositiveInteger(env.HWLAB_KAFKA_OUTBOX_RELAY_SEND_TIMEOUT_MS, "HWLAB_KAFKA_OUTBOX_RELAY_SEND_TIMEOUT_MS"),
     retryBackoffMs: strictPositiveInteger(env.HWLAB_KAFKA_OUTBOX_RELAY_RETRY_BACKOFF_MS, "HWLAB_KAFKA_OUTBOX_RELAY_RETRY_BACKOFF_MS")
-  } : null;
-  const refreshReplay = capabilities.kafkaRefreshReplay ? {
-    groupIdPrefix: stringValue(env.HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_GROUP_PREFIX),
-    timeoutMs: strictPositiveInteger(env.HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_TIMEOUT_MS, "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_TIMEOUT_MS"),
-    scanLimit: strictPositiveInteger(env.HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_SCAN_LIMIT, "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_SCAN_LIMIT"),
-    matchedEventLimit: strictPositiveInteger(env.HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_MATCHED_EVENT_LIMIT, "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_MATCHED_EVENT_LIMIT"),
-    liveBufferLimit: strictPositiveInteger(env.HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_LIVE_BUFFER_LIMIT, "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_LIVE_BUFFER_LIMIT")
-  } : null;
+  };
   if (relay && relay.sendTimeoutMs + 5000 >= relay.leaseMs) {
     const error = new Error("HWLAB Kafka relay lease must exceed producer send timeout by at least 5000ms.");
     error.code = "hwlab_kafka_relay_lease_invalid";
     throw error;
   }
-  const enabledConsumerGroups = [
-    capabilities.directPublish ? stringValue(env.HWLAB_KAFKA_AGENTRUN_EVENT_GROUP_ID) : null,
-    capabilities.transactionalProjector ? stringValue(env.HWLAB_KAFKA_PROJECTOR_GROUP_ID) : null,
-    capabilities.liveKafkaSse ? stringValue(env.HWLAB_KAFKA_HWLAB_EVENT_GROUP_ID) : null
-  ].filter(Boolean);
-  if (new Set(enabledConsumerGroups).size !== enabledConsumerGroups.length) {
-    const error = new Error("HWLAB Kafka direct publisher, projector, and live SSE consumer groups must be distinct when enabled together.");
-    error.code = "hwlab_kafka_consumer_groups_not_distinct";
-    error.groupIds = enabledConsumerGroups;
-    throw error;
-  }
   return {
-    capabilities,
     brokers,
     agentRunTopic,
     hwlabTopic,
     clientId,
-    directPublishGroupId: stringValue(env.HWLAB_KAFKA_AGENTRUN_EVENT_GROUP_ID),
     projectorGroupId: stringValue(env.HWLAB_KAFKA_PROJECTOR_GROUP_ID),
-    hwlabEventGroupId: stringValue(env.HWLAB_KAFKA_HWLAB_EVENT_GROUP_ID),
-    refreshReplay,
-    projectorHeartbeatIntervalMs: capabilities.transactionalProjector ? strictPositiveInteger(env.HWLAB_KAFKA_PROJECTOR_HEARTBEAT_INTERVAL_MS, "HWLAB_KAFKA_PROJECTOR_HEARTBEAT_INTERVAL_MS") : null,
+    projectorHeartbeatIntervalMs: strictPositiveInteger(env.HWLAB_KAFKA_PROJECTOR_HEARTBEAT_INTERVAL_MS, "HWLAB_KAFKA_PROJECTOR_HEARTBEAT_INTERVAL_MS"),
     relay
   };
 }
 
-export function startHwlabKafkaEventBridge({ env = process.env, logger = console, kafkaFactory = defaultKafkaFactory, runtimeStore = null, now = () => new Date().toISOString(), otelSpanEmitter = emitCodeAgentOtelSpan } = {}) {
+export function startHwlabKafkaEventBridge({ env = process.env, logger = console, kafkaFactory = defaultKafkaFactory, runtimeStore = null, now = () => new Date().toISOString() } = {}) {
   const config = kafkaEventBridgeConfig(env);
   if (!config) return { started: false, reason: "disabled_or_unconfigured", stop() {}, subscribeProjectionCommits() { return () => {}; }, valuesPrinted: false };
-  assertTransactionalWorkbenchRealtimeAuthority(config.capabilities);
-  const components = [];
-  if (config.capabilities.directPublish || config.capabilities.liveKafkaSse) {
-    components.push(startLiveHwlabKafkaEventBridge({ config, env, logger, kafkaFactory, otelSpanEmitter }));
-  }
-  if (config.capabilities.transactionalProjector || config.capabilities.projectionOutboxRelay || config.capabilities.projectionRealtime) {
-    components.push(startTransactionalHwlabKafkaEventBridge({ config, logger, kafkaFactory, runtimeStore, now }));
-  }
-  return components.length === 1 ? components[0] : combineKafkaEventBridgeComponents(config, components);
-}
-
-function assertTransactionalWorkbenchRealtimeAuthority(capabilities = {}) {
-  const directAuthority = capabilities.directPublish || capabilities.liveKafkaSse || capabilities.kafkaRefreshReplay;
-  const completeProjectionAuthority = capabilities.transactionalProjector && capabilities.projectionOutboxRelay && capabilities.projectionRealtime;
-  if (!directAuthority && completeProjectionAuthority) return;
-  throw contractError(
-    "hwlab_workbench_transactional_authority_required",
-    "Workbench Kafka bridge requires transactionalProjector, projectionOutboxRelay, and projectionRealtime together, with directPublish, liveKafkaSse, and kafkaRefreshReplay disabled."
-  );
+  return startTransactionalHwlabKafkaEventBridge({ config, logger, kafkaFactory, runtimeStore, now });
 }
 
 function startTransactionalHwlabKafkaEventBridge({ config, logger = console, kafkaFactory = defaultKafkaFactory, runtimeStore = null, now = () => new Date().toISOString() } = {}) {
-  requireKafkaProjectorStore(runtimeStore, config.capabilities);
+  requireKafkaProjectorStore(runtimeStore);
 
   let stopped = false;
   let consumer = null;
@@ -160,16 +98,14 @@ function startTransactionalHwlabKafkaEventBridge({ config, logger = console, kaf
   let startupReady = false;
   const ready = (async () => {
     await runtimeStore.assertWorkbenchTransactionalRealtimeReady();
-    const kafka = config.capabilities.transactionalProjector || config.capabilities.projectionOutboxRelay ? kafkaFactory(config) : null;
-    if (config.capabilities.transactionalProjector) consumer = kafka.consumer({ groupId: config.projectorGroupId, allowAutoTopicCreation: false });
-    if (config.capabilities.projectionOutboxRelay) producer = kafka.producer({ allowAutoTopicCreation: false });
-    if (producer) await producer.connect();
-    if (consumer) await consumer.connect();
-    if (config.capabilities.projectionRealtime && typeof runtimeStore.subscribeWorkbenchProjectionCommits === "function") {
-      stopProjectionNotifications = await runtimeStore.subscribeWorkbenchProjectionCommits(publishProjectionCommit);
-    }
-    if (consumer) await consumer.subscribe({ topic: config.agentRunTopic, fromBeginning: false });
-    if (consumer) await consumer.run({
+    const kafka = kafkaFactory(config);
+    consumer = kafka.consumer({ groupId: config.projectorGroupId, allowAutoTopicCreation: false });
+    producer = kafka.producer({ allowAutoTopicCreation: false });
+    await producer.connect();
+    await consumer.connect();
+    stopProjectionNotifications = await runtimeStore.subscribeWorkbenchProjectionCommits(publishProjectionCommit);
+    await consumer.subscribe({ topic: config.agentRunTopic, fromBeginning: false });
+    await consumer.run({
       autoCommit: false,
       eachBatchAutoResolve: false,
       eachBatch: async ({ batch, resolveOffset, heartbeat, isRunning, isStale }) => {
@@ -196,7 +132,6 @@ function startTransactionalHwlabKafkaEventBridge({ config, logger = console, kaf
       }
     });
     const runRelay = async () => {
-      if (!config.capabilities.projectionOutboxRelay) return;
       if (stopped || relayRunning) return;
       relayRunning = true;
       try {
@@ -205,18 +140,15 @@ function startTransactionalHwlabKafkaEventBridge({ config, logger = console, kaf
         relayRunning = false;
       }
     };
-    if (config.capabilities.projectionOutboxRelay) {
-      relayTimer = setInterval(() => { void runRelay().catch((error) => logWarn(logger, "hwlab-kafka-outbox-relay-failed", { message: errorMessage(error), valuesPrinted: false })); }, config.relay.intervalMs);
-      relayTimer.unref?.();
-      await runRelay();
-    }
+    relayTimer = setInterval(() => { void runRelay().catch((error) => logWarn(logger, "hwlab-kafka-outbox-relay-failed", { message: errorMessage(error), valuesPrinted: false })); }, config.relay.intervalMs);
+    relayTimer.unref?.();
+    await runRelay();
     startupReady = true;
     logInfo(logger, "hwlab-kafka-event-bridge-started", {
       agentRunTopic: config.agentRunTopic,
       hwlabTopic: config.hwlabTopic,
       clientId: config.clientId,
       projectorGroupId: config.projectorGroupId,
-      capabilities: config.capabilities,
       valuesPrinted: false
     });
   })();
@@ -249,10 +181,8 @@ function startTransactionalHwlabKafkaEventBridge({ config, logger = console, kaf
       const transactionalReadiness = typeof runtimeStore.workbenchTransactionalRealtimeReadiness === "function"
         ? await runtimeStore.workbenchTransactionalRealtimeReadiness()
         : { ready: true, valuesRedacted: true };
-      const projectorStatus = config.capabilities.transactionalProjector || config.capabilities.projectionOutboxRelay
-        ? await runtimeStore.hwlabKafkaProjectorStatus()
-        : {};
-      return { status: transactionalReadiness.ready === false ? "blocked" : "ready", capabilities: config.capabilities, transactionalReadiness, ...projectorStatus, valuesRedacted: true };
+      const projectorStatus = await runtimeStore.hwlabKafkaProjectorStatus();
+      return { status: transactionalReadiness.ready === false ? "blocked" : "ready", transactionalReadiness, ...projectorStatus, valuesRedacted: true };
     },
     startupStatus() {
       if (startupError) return { status: "blocked", errorCode: startupError.code ?? "hwlab_kafka_projector_start_failed", message: errorMessage(startupError), valuesRedacted: true };
@@ -267,269 +197,6 @@ function startTransactionalHwlabKafkaEventBridge({ config, logger = console, kaf
   };
 }
 
-function startLiveHwlabKafkaEventBridge({ config, env = process.env, logger = console, kafkaFactory = defaultKafkaFactory, otelSpanEmitter = emitCodeAgentOtelSpan } = {}) {
-  let stopped = false;
-  let bridgeConsumer = null;
-  let fanoutConsumer = null;
-  let producer = null;
-  let startupError = null;
-  let startupReady = false;
-  const subscribers = new Set();
-  const lagByPartition = new Map();
-  const publishLiveEnvelope = (envelope, transport) => {
-    for (const listener of [...subscribers]) {
-      try {
-        listener(envelope, transport);
-      } catch (error) {
-        logWarn(logger, "hwlab-live-kafka-subscriber-failed", { message: errorMessage(error), valuesPrinted: false });
-      }
-    }
-  };
-  const ready = (async () => {
-    const kafka = kafkaFactory(config);
-    if (config.capabilities.directPublish) {
-      bridgeConsumer = kafka.consumer({ groupId: config.directPublishGroupId, allowAutoTopicCreation: false });
-      producer = kafka.producer({ allowAutoTopicCreation: false });
-    }
-    if (config.capabilities.liveKafkaSse) fanoutConsumer = kafka.consumer({ groupId: config.hwlabEventGroupId, allowAutoTopicCreation: false });
-    if (producer) await producer.connect();
-    if (bridgeConsumer) await bridgeConsumer.connect();
-    if (fanoutConsumer) await fanoutConsumer.connect();
-    if (bridgeConsumer) await bridgeConsumer.subscribe({ topic: config.agentRunTopic, fromBeginning: false });
-    if (fanoutConsumer) await fanoutConsumer.subscribe({ topic: config.hwlabTopic, fromBeginning: false });
-    if (fanoutConsumer) await fanoutConsumer.run({
-      eachBatchAutoResolve: false,
-      eachBatch: async ({ batch, resolveOffset, heartbeat, isRunning, isStale }) => {
-        let lastOffset = null;
-        for (const message of batch.messages) {
-          if (stopped || !isRunning() || isStale()) break;
-          const envelope = parseJson(message?.value ? Buffer.from(message.value).toString("utf8") : "");
-          if (!envelope || envelope.schema !== "hwlab.event.v1") {
-            logWarn(logger, "hwlab-live-kafka-envelope-ignored", { reason: "schema-invalid", valuesPrinted: false });
-          } else {
-            const transport = { topic: batch.topic, partition: batch.partition, offset: message.offset };
-            emitLiveKafkaOtelSpan("hwlab.kafka.live.fanout_receive", envelope, transport, { env, otelSpanEmitter });
-            publishLiveEnvelope(envelope, transport);
-          }
-          resolveOffset(message.offset);
-          lastOffset = message.offset;
-          await heartbeat();
-        }
-        if (lastOffset !== null) lagByPartition.set(batch.partition, kafkaPartitionLag(batch.highWatermark, lastOffset));
-      }
-    });
-    if (bridgeConsumer) await bridgeConsumer.run({
-      eachMessage: async ({ topic, partition, message }) => {
-        if (stopped) return;
-        await publishAgentRunKafkaMessageLive({ topic, partition, message }, { producer, config, env, logger, otelSpanEmitter });
-      }
-    });
-    startupReady = true;
-    logInfo(logger, "hwlab-live-kafka-event-bridge-started", {
-      capabilities: config.capabilities,
-      agentRunTopic: config.agentRunTopic,
-      hwlabTopic: config.hwlabTopic,
-      clientId: config.clientId,
-      directPublishGroupId: config.directPublishGroupId,
-      hwlabEventGroupId: config.hwlabEventGroupId,
-      valuesPrinted: false
-    });
-  })();
-  void ready.catch((error) => {
-    startupError = error;
-    logWarn(logger, "hwlab-live-kafka-event-bridge-start-failed", {
-      message: errorMessage(error),
-      agentRunTopic: config.agentRunTopic,
-      hwlabTopic: config.hwlabTopic,
-      valuesPrinted: false
-    });
-  });
-  return {
-    started: true,
-    ...config,
-    ready,
-    liveReady: ready,
-    async stop() {
-      stopped = true;
-      subscribers.clear();
-      await Promise.allSettled([bridgeConsumer?.stop?.(), fanoutConsumer?.stop?.()]);
-      await Promise.allSettled([bridgeConsumer?.disconnect?.(), fanoutConsumer?.disconnect?.(), producer?.disconnect?.()]);
-    },
-    async status() {
-      if (startupError) return { status: "blocked", capabilities: config.capabilities, errorCode: startupError.code ?? "hwlab_live_kafka_start_failed", message: errorMessage(startupError), valuesRedacted: true };
-      return { status: startupReady ? "ready" : "initializing", capabilities: config.capabilities, subscriberCount: subscribers.size, consumerLag: liveKafkaLagSummary(lagByPartition), lossPossible: true, valuesRedacted: true };
-    },
-    startupStatus() {
-      if (startupError) return { status: "blocked", capabilities: config.capabilities, errorCode: startupError.code ?? "hwlab_live_kafka_start_failed", message: errorMessage(startupError), valuesRedacted: true };
-      return { status: startupReady ? "ready" : "initializing", capabilities: config.capabilities, valuesRedacted: true };
-    },
-    subscribeProjectionCommits() { return () => {}; },
-    subscribeLiveHwlabEvents(listener) {
-      if (typeof listener !== "function") return () => {};
-      subscribers.add(listener);
-      return () => subscribers.delete(listener);
-    },
-    queryHwlabEventRetention(params = {}) {
-      return queryKafkaEventStream({ ...params, env, stream: "hwlab", topic: config.hwlabTopic, kafkaFactory });
-    },
-    liveSubscriberCount() { return subscribers.size; },
-    valuesPrinted: false
-  };
-}
-
-function kafkaPartitionLag(highWatermark, lastOffset) {
-  try {
-    const lag = BigInt(String(highWatermark ?? "0")) - (BigInt(String(lastOffset ?? "0")) + 1n);
-    return Number(lag > 0n ? lag : 0n);
-  } catch {
-    return null;
-  }
-}
-
-function liveKafkaLagSummary(lagByPartition) {
-  const partitions = [...lagByPartition.entries()].map(([partition, lag]) => ({ partition, lag })).sort((left, right) => left.partition - right.partition);
-  const known = partitions.map((item) => item.lag).filter((lag) => Number.isFinite(lag));
-  return {
-    known: known.length > 0,
-    total: known.length > 0 ? known.reduce((sum, lag) => sum + lag, 0) : null,
-    partitions,
-    valuesRedacted: true
-  };
-}
-
-function combineKafkaEventBridgeComponents(config, components) {
-  const ready = Promise.all(components.map((component) => component.ready));
-  const liveOwner = components.find((component) => typeof component.subscribeLiveHwlabEvents === "function");
-  const componentStartup = () => components.map((component) => component.startupStatus?.() ?? { status: "initializing" });
-  return {
-    started: true,
-    ...config,
-    ready,
-    liveReady: liveOwner?.liveReady ?? liveOwner?.ready ?? ready,
-    async stop() { await Promise.allSettled(components.map((component) => component.stop())); },
-    async status() {
-      const statuses = await Promise.all(components.map((component) => component.status()));
-      const blocked = statuses.find((status) => status.status === "blocked");
-      const initializing = statuses.some((status) => status.status !== "ready");
-      return {
-        status: blocked ? "blocked" : initializing ? "initializing" : "ready",
-        capabilities: config.capabilities,
-        components: statuses,
-        errorCode: blocked?.errorCode ?? null,
-        message: blocked?.message ?? null,
-        valuesRedacted: true
-      };
-    },
-    startupStatus() {
-      const statuses = componentStartup();
-      const blocked = statuses.find((status) => status.status === "blocked");
-      return {
-        status: blocked ? "blocked" : statuses.every((status) => status.status === "ready") ? "ready" : "initializing",
-        capabilities: config.capabilities,
-        components: statuses,
-        errorCode: blocked?.errorCode ?? null,
-        message: blocked?.message ?? null,
-        valuesRedacted: true
-      };
-    },
-    subscribeProjectionCommits(listener) {
-      const stops = components.map((component) => component.subscribeProjectionCommits?.(listener)).filter((stop) => typeof stop === "function");
-      return () => stops.forEach((stop) => stop());
-    },
-    subscribeLiveHwlabEvents(listener) {
-      return liveOwner?.subscribeLiveHwlabEvents(listener) ?? (() => {});
-    },
-    queryHwlabEventRetention(params = {}) {
-      if (typeof liveOwner?.queryHwlabEventRetention !== "function") throw contractError("hwlab_kafka_refresh_query_unconfigured", "Kafka refresh retention query is not configured.");
-      return liveOwner.queryHwlabEventRetention(params);
-    },
-    liveSubscriberCount() {
-      const owner = components.find((component) => typeof component.liveSubscriberCount === "function");
-      return owner?.liveSubscriberCount() ?? 0;
-    },
-    valuesPrinted: false
-  };
-}
-
-export async function publishAgentRunKafkaMessageLive(kafkaMessage = {}, { producer, config, env = process.env, logger = console, otelSpanEmitter = emitCodeAgentOtelSpan } = {}) {
-  const transport = kafkaTransport(kafkaMessage);
-  const decoded = decodeCanonicalAgentRunKafkaMessage(kafkaMessage);
-  if (!decoded.ok) {
-    logWarn(logger, "hwlab-live-kafka-message-invalid", { topic: transport.sourceTopic, partition: transport.sourcePartition, offset: transport.sourceOffset, errorCode: decoded.error.code, valuesPrinted: false });
-    return { handled: true, invalid: true, published: false, valuesPrinted: false };
-  }
-  if (!stringValue(decoded.event.traceId) || !stringValue(decoded.event.hwlabSessionId)) {
-    return { handled: true, ignored: true, published: false, valuesPrinted: false };
-  }
-  const projected = projectAgentRunKafkaEventToHwlabEvent(decoded.event, {
-    source: config.clientId,
-    sourceTopic: transport.sourceTopic,
-    sourcePartition: transport.sourcePartition,
-    sourceOffset: transport.sourceOffset,
-    sourceKey: transport.sourceKey,
-    inputSha256: transport.inputSha256
-  });
-  const publishMetadata = await producer.send({ topic: config.hwlabTopic, messages: [buildHwlabKafkaProducerMessage(projected)] });
-  const publishedRecord = Array.isArray(publishMetadata) ? publishMetadata[0] : null;
-  emitLiveKafkaOtelSpan("hwlab.kafka.live.direct_publish", projected, {
-    topic: config.hwlabTopic,
-    partition: publishedRecord?.partition,
-    offset: publishedRecord?.baseOffset ?? publishedRecord?.offset,
-    sourceTopic: transport.sourceTopic,
-    sourcePartition: transport.sourcePartition,
-    sourceOffset: transport.sourceOffset
-  }, { env, otelSpanEmitter });
-  return { handled: true, published: true, envelope: projected, sessionId: projected.sessionId, traceId: projected.traceId, valuesPrinted: false };
-}
-
-export function shouldEmitLiveKafkaOtelSpan(envelope = {}) {
-  const event = objectValue(envelope.event);
-  const context = objectValue(envelope.context);
-  const eventType = firstText(context.agentRunEventType, event.eventType, event.type, envelope.eventType)?.toLowerCase();
-  if (event.terminal === true || eventType === "terminal" || eventType === "terminal_status") return true;
-  if (["assistant", "assistant_progress", "assistant_message", "tool", "tool_call"].includes(eventType)) return true;
-  if (eventType !== "command_output" && event.type !== "output") return true;
-  const sourceSeq = integerValue(context.sourceSeq ?? event.sourceSeq);
-  if (Number.isInteger(sourceSeq) && sourceSeq > 0) return sourceSeq % LIVE_KAFKA_COMMAND_OUTPUT_OTEL_SAMPLE_MODULUS === 0;
-  const identity = firstText(envelope.sourceEventId, envelope.eventId, envelope.traceId, envelope.hwlabSessionId, envelope.sessionId);
-  if (!identity) return false;
-  return createHash("sha256").update(identity).digest().readUInt32BE(0) % LIVE_KAFKA_COMMAND_OUTPUT_OTEL_SAMPLE_MODULUS === 0;
-}
-
-export function liveKafkaOtelSpanAttributes(envelope = {}, transport = {}) {
-  const event = objectValue(envelope.event);
-  const context = objectValue(envelope.context);
-  const sourceEvent = objectValue(envelope.sourceEvent);
-  return {
-    businessTraceId: firstText(envelope.traceId, event.traceId),
-    hwlabSessionId: firstText(envelope.hwlabSessionId, envelope.sessionId, event.sessionId),
-    runId: firstText(envelope.runId, context.runId, event.runId),
-    commandId: firstText(envelope.commandId, context.commandId, event.commandId),
-    topic: firstText(transport.topic, sourceEvent.topic),
-    partition: integerValue(transport.partition ?? sourceEvent.partition),
-    offset: firstText(transport.offset, sourceEvent.offset),
-    sourceTopic: firstText(transport.sourceTopic),
-    sourcePartition: integerValue(transport.sourcePartition),
-    sourceOffset: firstText(transport.sourceOffset),
-    eventType: firstText(context.agentRunEventType, event.eventType, event.type, envelope.eventType),
-    terminal: event.terminal === true,
-    valuesRedacted: true
-  };
-}
-
-export function emitLiveKafkaOtelSpan(name, envelope = {}, transport = {}, { env = process.env, otelSpanEmitter = emitCodeAgentOtelSpan } = {}) {
-  if (typeof otelSpanEmitter !== "function" || !shouldEmitLiveKafkaOtelSpan(envelope)) return { emitted: false, valuesRedacted: true };
-  const attributes = liveKafkaOtelSpanAttributes(envelope, transport);
-  if (!attributes.businessTraceId) return { emitted: false, valuesRedacted: true };
-  try {
-    const pending = otelSpanEmitter(name, attributes.businessTraceId, env, { attributes });
-    void Promise.resolve(pending).catch(() => undefined);
-  } catch {
-    // OTel is best effort and must never change the live Kafka delivery path.
-  }
-  return { emitted: true, valuesRedacted: true };
-}
-
 export async function projectAgentRunKafkaMessage(kafkaMessage = {}, { runtimeStore, config, logger = console } = {}) {
   const transport = kafkaTransport(kafkaMessage);
   const decoded = decodeCanonicalAgentRunKafkaMessage(kafkaMessage);
@@ -953,13 +620,18 @@ function kafkaTransport(kafkaMessage = {}) {
   };
 }
 
-function requireKafkaProjectorStore(runtimeStore, capabilities = {}) {
-  const required = [];
-  if (capabilities.transactionalProjector) required.push("commitAgentRunKafkaProjection", "recordFailedAgentRunKafkaMessage", "recordIgnoredAgentRunKafkaMessage");
-  if (capabilities.projectionOutboxRelay) required.push("claimHwlabKafkaOutbox", "completeHwlabKafkaOutbox", "retryHwlabKafkaOutbox");
-  if (capabilities.projectionRealtime) required.push("subscribeWorkbenchProjectionCommits");
-  if (capabilities.transactionalProjector || capabilities.projectionOutboxRelay) required.push("hwlabKafkaProjectorStatus");
-  if (capabilities.transactionalProjector || capabilities.projectionOutboxRelay || capabilities.projectionRealtime) required.push("assertWorkbenchTransactionalRealtimeReady");
+function requireKafkaProjectorStore(runtimeStore) {
+  const required = [
+    "commitAgentRunKafkaProjection",
+    "recordFailedAgentRunKafkaMessage",
+    "recordIgnoredAgentRunKafkaMessage",
+    "claimHwlabKafkaOutbox",
+    "completeHwlabKafkaOutbox",
+    "retryHwlabKafkaOutbox",
+    "subscribeWorkbenchProjectionCommits",
+    "hwlabKafkaProjectorStatus",
+    "assertWorkbenchTransactionalRealtimeReady"
+  ];
   const missing = required.filter((name) => typeof runtimeStore?.[name] !== "function");
   if (missing.length > 0) throw contractError("hwlab_kafka_projector_store_invalid", `Kafka durable capabilities require a runtime store: ${missing.join(", ")}`);
 }
diff --git a/internal/cloud/server-code-agent-admission-http.ts b/internal/cloud/server-code-agent-admission-http.ts
index 036e9aee..029837b9 100644
--- a/internal/cloud/server-code-agent-admission-http.ts
+++ b/internal/cloud/server-code-agent-admission-http.ts
@@ -20,9 +20,6 @@ import { codeAgentSessionLifecycleSummary } from "./code-agent-session-lifecycle
 import { messageAuthorityTextValue } from "./code-agent-agentrun-prompt.ts";
 import { promoteWorkbenchTurnAdmission as persistWorkbenchTurnAdmissionPromotion, writeWorkbenchSessionAdmissionFact } from "./workbench-projection-writer.ts";
 import { createWorkbenchReadModel } from "./workbench-read-model.ts";
-import {
-  workbenchRealtimeCapabilities
-} from "./workbench-realtime-capabilities.ts";
 import { codeAgentOtelTraceFields, emitCodeAgentOtelSpan } from "./otel-trace.ts";
 import {
   firstHeaderValue,
@@ -245,7 +242,6 @@ export async function handleCodeAgentChatHttp(request, response, options) {
       lastEventAt: submitted?.lastEventAt ?? admittedTiming.lastEventAt,
       finishedAt: submitted?.finishedAt ?? admittedTiming.finishedAt,
       durationMs: submitted?.durationMs ?? admittedTiming.durationMs,
-      realtimeCapabilities: workbenchRealtimeCapabilities(options.env ?? process.env),
       admission: submitted?.agentRun ? {
         state: submitted.admissionState ?? "promoted",
         runId: submitted.agentRun.runId ?? null,
@@ -1046,8 +1042,6 @@ async function submitCodeAgentChatTurn({ params, options, traceId }) {
     }
   });
   if (adapterEnabled) {
-    const realtimeCapabilities = workbenchRealtimeCapabilities(runtimeEnv);
-    const transactionalAdmission = realtimeCapabilities.transactionalProjector;
     const pendingPromotion = results.get(traceId);
     if (pendingPromotion?.admissionState === "promotion-pending" && pendingPromotion?.agentRun?.durableDispatch === true) {
       const retryParams = { ...params, userBillingReservation: pendingPromotion.userBillingReservation ?? null };
@@ -1062,15 +1056,13 @@ async function submitCodeAgentChatTurn({ params, options, traceId }) {
     }
 
     const lifecycle = codeAgentTurnLifecycleFields(traceId, params);
-    if (transactionalAdmission) {
-      await persistCodeAgentAdmissionInputState({
-        params,
-        options,
-        traceId,
-        status: "admitting",
-        messageId: lifecycle.userMessageId
-      });
-    }
+    await persistCodeAgentAdmissionInputState({
+      params,
+      options,
+      traceId,
+      status: "admitting",
+      messageId: lifecycle.userMessageId
+    });
 
     traceStore.append(traceId, {
       type: "request",
@@ -1091,16 +1083,14 @@ async function submitCodeAgentChatTurn({ params, options, traceId }) {
       error: billingPreflight?.blocked ? billingPreflight?.payload?.error?.message ?? billingPreflight?.blocker?.summary ?? "billing preflight blocked" : null
     });
     if (billingPreflight?.blocked) {
-      if (transactionalAdmission) {
-        await persistCodeAgentAdmissionInputState({
-          params,
-          options,
-          traceId,
-          status: "blocked",
-          messageId: lifecycle.userMessageId,
-          error: billingPreflight.payload?.error ?? billingPreflight.blocker ?? { code: "billing_preflight_blocked" }
-        });
-      }
+      await persistCodeAgentAdmissionInputState({
+        params,
+        options,
+        traceId,
+        status: "blocked",
+        messageId: lifecycle.userMessageId,
+        error: billingPreflight.payload?.error ?? billingPreflight.blocker ?? { code: "billing_preflight_blocked" }
+      });
       traceStore.append(traceId, {
         type: "billing",
         status: "blocked",
@@ -1126,16 +1116,14 @@ async function submitCodeAgentChatTurn({ params, options, traceId }) {
       const failure = codeAgentDispatchFailure(error);
       const rejected = codeAgentSubmissionUnavailablePayload(failure, { params: dispatchParams, options: executionOptions, traceId });
       await finalizeCodeAgentBillingUsage({ payload: rejected, params: dispatchParams, options: executionOptions });
-      if (transactionalAdmission) {
-        await persistCodeAgentAdmissionInputState({
-          params: dispatchParams,
-          options: executionOptions,
-          traceId,
-          status: "failed",
-          messageId: lifecycle.userMessageId,
-          error: failure.payload?.error ?? error
-        });
-      }
+      await persistCodeAgentAdmissionInputState({
+        params: dispatchParams,
+        options: executionOptions,
+        traceId,
+        status: "failed",
+        messageId: lifecycle.userMessageId,
+        error: failure.payload?.error ?? error
+      });
       void emitCodeAgentOtelSpan("agentrun_dispatch", traceId, executionOptions.env ?? process.env, {
         startTimeMs: dispatchStartedAt,
         status: "error",
@@ -1156,17 +1144,15 @@ async function submitCodeAgentChatTurn({ params, options, traceId }) {
     }, dispatchParams);
     results.set(traceId, pending);
     try {
-      if (transactionalAdmission) {
-        await persistCodeAgentAdmissionInputState({
-          params: dispatchParams,
-          options: executionOptions,
-          traceId,
-          status: "admitting",
-          messageId: lifecycle.userMessageId,
-          commandId: payload.agentRun?.commandId ?? null,
-          agentRun: payload.agentRun ?? null
-        });
-      }
+      await persistCodeAgentAdmissionInputState({
+        params: dispatchParams,
+        options: executionOptions,
+        traceId,
+        status: "admitting",
+        messageId: lifecycle.userMessageId,
+        commandId: payload.agentRun?.commandId ?? null,
+        agentRun: payload.agentRun ?? null
+      });
       await promoteCodeAgentTurnAdmission({ payload: pending, params: dispatchParams, options: executionOptions, traceId });
     } catch (error) {
       throw codeAgentPromotionUnavailableError(error, { payload: pending, params: dispatchParams, options: executionOptions, traceId });
@@ -1324,30 +1310,6 @@ async function promoteCodeAgentTurnAdmission({ payload = {}, params = {}, option
     throw error;
   }
   const lifecycle = codeAgentTurnLifecycleFields(traceId, params);
-  const realtimeCapabilities = workbenchRealtimeCapabilities(options.env ?? process.env);
-  if (!realtimeCapabilities.transactionalProjector) {
-    const runningOwner = await recordCodeAgentSessionOwner({ payload: { ...payload, status: "running" }, params, options, status: "running" });
-    if (!runningOwner) {
-      const error = new Error("Code Agent live turn did not durably promote the session owner to running.");
-      error.code = "workbench_admission_owner_not_promoted";
-      error.valuesRedacted = true;
-      throw error;
-    }
-    traceStore.append(traceId, {
-      type: "request",
-      status: "admitted",
-      label: "turn:admitted-live-kafka",
-      message: "Code Agent turn is live after AgentRun durable dispatch; lifecycle visibility is owned only by hwlab.event.v1.",
-      sessionId: safeSessionId(params.sessionId) || null,
-      runId: payload.agentRun?.runId ?? null,
-      commandId: payload.agentRun?.commandId ?? null,
-      dispatchIntentId: payload.agentRun?.dispatchIntentId ?? null,
-      waitingFor: "hwlab-live-kafka-sse",
-      terminal: false,
-      valuesPrinted: false
-    });
-    return { written: false, promoted: true, outboxCommitted: false, realtimeCapabilities, liveOnly: realtimeCapabilities.liveKafkaSse, valuesPrinted: false };
-  }
   const inputFact = buildCodeAgentSessionInputFact({
     params,
     options,
diff --git a/internal/cloud/server-workbench-facts.ts b/internal/cloud/server-workbench-facts.ts
index 6b5805e4..a3600a63 100644
--- a/internal/cloud/server-workbench-facts.ts
+++ b/internal/cloud/server-workbench-facts.ts
@@ -16,7 +16,6 @@ import {
 import { createWorkbenchReadModel } from "./workbench-read-model.ts";
 import { createWorkbenchRuntimeClient } from "./workbench-runtime-client.ts";
 import { buildWorkbenchSessionDetail, compactLaunchContext, includeMessagesForSessionDetail } from "./workbench-session-detail-response.ts";
-import { handleWorkbenchSyncHttp } from "./workbench-realtime-authority.ts";
 import { durableTraceStatus, RUNNING_STATUSES, terminalFinalResponse, TERMINAL_STATUSES } from "./workbench-turn-projection.ts";
 import { emitCodeAgentOtelSpan, emitHttpServerRequestSpan } from "./otel-trace.ts";
 
diff --git a/internal/cloud/server-workbench-realtime-http.test.ts b/internal/cloud/server-workbench-realtime-http.test.ts
index e904be6c..1de352a2 100644
--- a/internal/cloud/server-workbench-realtime-http.test.ts
+++ b/internal/cloud/server-workbench-realtime-http.test.ts
@@ -46,29 +46,10 @@ const TRANSACTIONAL_REALTIME_ENV = Object.freeze({
   HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED: "true"
 });
 
-const REFRESH_REALTIME_ENV = Object.freeze({
-  HWLAB_KAFKA_DIRECT_PUBLISH_ENABLED: "true",
-  HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED: "true",
-  HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_ENABLED: "true",
-  HWLAB_KAFKA_TRANSACTIONAL_PROJECTOR_ENABLED: "false",
-  HWLAB_KAFKA_PROJECTION_OUTBOX_RELAY_ENABLED: "false",
-  HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED: "false"
-});
-
-function projectionRealtimeBridge(capabilities = {}) {
+function projectionRealtimeBridge() {
   return {
     started: true,
-    capabilities: {
-      directPublish: false,
-      liveKafkaSse: false,
-      kafkaRefreshReplay: false,
-      transactionalProjector: false,
-      projectionOutboxRelay: false,
-      projectionRealtime: true,
-      ...capabilities
-    },
     ready: Promise.resolve(),
-    subscribeLiveHwlabEvents() { return () => {}; },
     subscribeProjectionCommits() { return () => {}; },
     async stop() {}
   };
@@ -90,22 +71,6 @@ test("projection outbox emits immutable assistant versions in row order", () =>
   assert.deepEqual(events.map((item) => item.payload.cursor.outboxSeq), [10, 11]);
 });
 
-test("workbench sync repair endpoint is removed from the product API", async () => {
-  const server = createCloudApiServer({
-    accessController: realtimeAccessController(),
-    workbenchRuntime: {},
-    kafkaEventBridge: projectionRealtimeBridge(),
-    env: { ...TRANSACTIONAL_REALTIME_ENV }
-  });
-  await new Promise((resolve) => server.listen(0, "127.0.0.1", resolve));
-  try {
-    const response = await getJson(server.address().port, "/v1/workbench/sync?sessionId=ses_removed_sync_repair");
-    assert.equal(response.status, 404);
-  } finally {
-    await new Promise((resolve, reject) => server.close((error) => error ? reject(error) : resolve()));
-  }
-});
-
 test("workbench realtime initial connection emits current snapshot without replaying historical outbox", async () => {
   const sessionId = "ses_realtime_snapshot_only";
   const traceId = "trc_realtime_snapshot_only";
@@ -146,7 +111,7 @@ test("workbench realtime initial connection emits current snapshot without repla
   }
 });
 
-test("product realtime uses projection outbox even when obsolete live capability values remain present", async () => {
+test("product realtime uses the projection outbox authority", async () => {
   const sessionId = "ses_composable_realtime";
   const traceId = "trc_composable_realtime";
   let projectionReads = 0;
@@ -169,7 +134,7 @@ test("product realtime uses projection outbox even when obsolete live capability
   const server = createCloudApiServer({
     accessController: realtimeAccessController(),
     workbenchRuntime: runtime,
-    kafkaEventBridge: projectionRealtimeBridge({ directPublish: true, liveKafkaSse: true }),
+    kafkaEventBridge: projectionRealtimeBridge(),
     env: {
       HWLAB_KAFKA_DIRECT_PUBLISH_ENABLED: "true",
       HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED: "true",
@@ -827,57 +792,6 @@ test("workbench trace event page keeps per-trace terminal status after later ses
   }
 });
 
-function refreshReplayBridge({ records = [], endOffset = "0", onQuery = null, beforeQueryResult = null, ready = Promise.resolve(), liveReady = Promise.resolve() } = {}) {
-  let liveListener = null;
-  return {
-    capabilities: { directPublish: true, liveKafkaSse: true, kafkaRefreshReplay: true, transactionalProjector: false, projectionOutboxRelay: false, projectionRealtime: false },
-    refreshReplay: {
-      groupIdPrefix: "hwlab-v03-refresh-test",
-      timeoutMs: 2500,
-      scanLimit: 500,
-      matchedEventLimit: 50,
-      liveBufferLimit: 20
-    },
-    ready,
-    liveReady,
-    subscribeLiveHwlabEvents(listener) { liveListener = listener; return () => { if (liveListener === listener) liveListener = null; }; },
-    async queryHwlabEventRetention(params) {
-      onQuery?.(params);
-      beforeQueryResult?.(liveListener);
-      return {
-        topic: "hwlab.event.v1",
-        events: records,
-        completionReason: "end-offset",
-        reachedEndOffsets: true,
-        endOffsetsAvailable: true,
-        endOffsets: [{ partition: 0, startOffset: "0", endOffset }],
-        completion: { reason: "end-offset", complete: true, barrierReached: true, retentionStartVerified: true }
-      };
-    },
-    async stop() {}
-  };
-}
-
-function refreshRecord(offset, sessionId, traceId, type, extra = {}) {
-  const sourceEventId = `evt_refresh_${offset}`;
-  return {
-    topic: "hwlab.event.v1",
-    partition: 0,
-    offset: String(offset),
-    value: {
-      schema: "hwlab.event.v1",
-      eventType: "hwlab.trace.event.projected",
-      eventId: `hwlab:${sourceEventId}`,
-      sourceEventId,
-      traceId,
-      hwlabSessionId: sessionId,
-      sessionId,
-      event: { type, eventType: type === "result" ? "terminal" : type, traceId, sessionId, sourceEventId, status: "running", ...extra },
-      valuesPrinted: false
-    }
-  };
-}
-
 function realtimeAccessController({ actor = ACTOR, sessions = [] } = {}) {
   const bySessionId = new Map(sessions.map((session) => [session.id, session]));
   const byTraceId = new Map(sessions.filter((session) => session.lastTraceId).map((session) => [session.lastTraceId, session]));
diff --git a/internal/cloud/server-workbench-realtime-http.ts b/internal/cloud/server-workbench-realtime-http.ts
index 5f07bc32..4f6a7115 100644
--- a/internal/cloud/server-workbench-realtime-http.ts
+++ b/internal/cloud/server-workbench-realtime-http.ts
@@ -14,16 +14,10 @@ import {
 } from "./server-http-utils.ts";
 import { createWorkbenchReadModel } from "./workbench-read-model.ts";
 import { createWorkbenchRuntimeClient } from "./workbench-runtime-client.ts";
-import { emitLiveKafkaOtelSpan } from "./kafka-event-bridge.ts";
-import { createWorkbenchKafkaRefreshHandoff, workbenchKafkaRefreshErrorPayload } from "./workbench-kafka-refresh-handoff.ts";
 import { buildWorkbenchSessionDetail, compactLaunchContext, includeMessagesForSessionDetail } from "./workbench-session-detail-response.ts";
-import { handleWorkbenchSyncHttp } from "./workbench-realtime-authority.ts";
 import { projectionOutboxRealtimeEvents } from "./workbench-projection-outbox-events.ts";
 import { durableTraceStatus, RUNNING_STATUSES, TERMINAL_STATUSES } from "./workbench-turn-projection.ts";
 import { emitCodeAgentOtelSpan, emitHttpServerRequestSpan } from "./otel-trace.ts";
-import {
-  workbenchRealtimeCapabilities
-} from "./workbench-realtime-capabilities.ts";
 import * as workbenchFacts from "./server-workbench-facts.ts";
 
 const DEFAULT_PAGE_LIMIT = 50;
@@ -183,16 +177,11 @@ export async function drainWorkbenchRealtimeConnections(options = {}) {
 export async function handleWorkbenchRealtimeHttp(request, response, url, options = {}) {
   try {
     if (request.method !== "GET") return methodNotAllowed(response, "GET");
-    const realtimeCapabilities = workbenchRealtimeCapabilities(options.env ?? process.env);
     const projectionOnly = url.pathname === "/v1/workbench/projection-events";
     if (projectionOnly) {
       sendJson(response, 410, workbenchError("workbench_projection_events_route_removed", "Use /v1/workbench/events for the single transactional projection authority."));
       return;
     }
-    if (!realtimeCapabilities.projectionRealtime) {
-      sendJson(response, 503, workbenchError("workbench_projection_realtime_disabled", "Workbench product realtime requires the transactional projection outbox authority."));
-      return;
-    }
     const requestedSessionId = safeSessionId(url.searchParams.get("sessionId") ?? url.searchParams.get("includeSessionId"));
     const requestedTraceId = safeTraceId(url.searchParams.get("traceId"));
     const heartbeatMs = parsePositiveInteger(options.env?.HWLAB_WORKBENCH_SSE_HEARTBEAT_MS, DEFAULT_WORKBENCH_SSE_HEARTBEAT_MS);
@@ -453,405 +442,6 @@ export async function handleWorkbenchRealtimeHttp(request, response, url, option
   }
 }
 
-async function handleLiveKafkaWorkbenchRealtimeHttp(request, response, url, options = {}) {
-  const requestedSessionId = safeSessionId(url.searchParams.get("sessionId") ?? url.searchParams.get("includeSessionId"));
-  const requestedTraceId = safeTraceId(url.searchParams.get("traceId"));
-  const realtimeCapabilities = workbenchRealtimeCapabilities(options.env ?? process.env);
-  const heartbeatMs = parsePositiveInteger(options.env?.HWLAB_WORKBENCH_SSE_HEARTBEAT_MS, DEFAULT_WORKBENCH_SSE_HEARTBEAT_MS);
-  attachWorkbenchRealtimeOtelContext(request, {
-    sessionId: requestedSessionId,
-    traceId: requestedTraceId,
-    heartbeatMs,
-    realtimeSource: "live-kafka-sse",
-    realtimeCapabilities
-  });
-  const perf = options.backendPerformance;
-  const auth = perf ? await perf.measure("workbench_auth", () => authenticateWorkbenchRead(request, response, options)) : await authenticateWorkbenchRead(request, response, options);
-  if (!auth) return;
-  if (url.searchParams.has("projectId") || url.searchParams.has("workspaceId")) {
-    sendJson(response, 400, workbenchError("workbench_authority_removed", "Workbench realtime is keyed by sessionId/traceId only."));
-    return;
-  }
-  if (!requestedSessionId && !requestedTraceId) {
-    sendJson(response, 400, workbenchError("workbench_realtime_scope_required", "Workbench realtime requires sessionId or traceId."));
-    return;
-  }
-  const authorization = await authorizeLiveKafkaWorkbenchRealtimeScope(options, auth.actor, {
-    sessionId: requestedSessionId,
-    traceId: requestedTraceId
-  });
-  if (!authorization.ok) {
-    sendJson(response, authorization.status, authorization.body);
-    return;
-  }
-  const authorizedSessionId = authorization.sessionId;
-  const bridge = options.kafkaEventBridge;
-  if (bridge?.capabilities?.liveKafkaSse !== true || typeof bridge?.subscribeLiveHwlabEvents !== "function") {
-    sendJson(response, 503, workbenchError("workbench_live_kafka_unconfigured", "Workbench live Kafka fanout is not configured."));
-    return;
-  }
-  if (realtimeCapabilities.kafkaRefreshReplay) {
-    await handleKafkaRefreshReplayWorkbenchRealtimeHttp(request, response, options, {
-      bridge,
-      heartbeatMs,
-      realtimeCapabilities,
-      requestedSessionId: authorizedSessionId,
-      requestedTraceId
-    });
-    return;
-  }
-
-  let closed = false;
-  let realtimeCloseReason = "client_close";
-  let realtimeCloseSignal = null;
-  const realtimeStartedAtMs = Date.now();
-  const cleanup = [];
-  const isActive = () => !closed && !response.destroyed && !response.writableEnded;
-  const closeConnection = () => {
-    if (closed) return;
-    closed = true;
-    emitWorkbenchRealtimeClosedOtelSpan(request, options.env, {
-      reason: realtimeCloseReason,
-      signal: realtimeCloseSignal,
-      startedAtMs: realtimeStartedAtMs,
-      sessionId: authorizedSessionId,
-      threadId: null,
-      traceId: requestedTraceId,
-      activeConnectionCount: activeWorkbenchRealtimeConnections.size
-    });
-    for (const item of cleanup.splice(0)) item();
-  };
-
-  response.once("close", closeConnection);
-  request.once?.("aborted", closeConnection);
-  request.socket?.once?.("close", closeConnection);
-  cleanup.push(() => request.off?.("aborted", closeConnection));
-  cleanup.push(() => request.socket?.off?.("close", closeConnection));
-
-  const bufferedEnvelopes = [];
-  let liveDeliveryStarted = false;
-  let enqueueEvent = null;
-  const unsubscribe = bridge.subscribeLiveHwlabEvents((envelope, transport) => {
-    if (!liveKafkaEnvelopeMatches(envelope, authorizedSessionId, requestedTraceId)) return;
-    if (!liveDeliveryStarted || typeof enqueueEvent !== "function") {
-      bufferedEnvelopes.push({ envelope, transport });
-      return;
-    }
-    void enqueueEvent("hwlab.event.v1", envelope, transport);
-  });
-  if (typeof unsubscribe === "function") cleanup.push(unsubscribe);
-
-  try {
-    await (bridge.liveReady ?? bridge.ready);
-  } catch (error) {
-    closeConnection();
-    throw error;
-  }
-  if (!isActive()) {
-    closeConnection();
-    return;
-  }
-
-  response.writeHead(200, {
-    "content-type": "text/event-stream; charset=utf-8",
-    "cache-control": "no-store, no-transform",
-    connection: "keep-alive",
-    "x-accel-buffering": "no",
-    "x-content-type-options": "nosniff"
-  });
-  if (typeof response.flushHeaders === "function") response.flushHeaders();
-
-  const writeEvent = async (name, payload, transport = null) => {
-    if (!isActive()) return false;
-    const block = `event: ${name}\ndata: ${JSON.stringify(payload)}\n\n`;
-    const writable = response.write(block);
-    if (!writable) await waitForResponseDrain(response, isActive);
-    const active = isActive();
-    if (active && name === "hwlab.event.v1") {
-      emitLiveKafkaOtelSpan("hwlab.workbench.live_sse.business_event_write", payload, transport, {
-        env: options.env,
-        otelSpanEmitter: options.otelSpanEmitter ?? emitCodeAgentOtelSpan
-      });
-    }
-    return active;
-  };
-  let writeChain = Promise.resolve(true);
-  enqueueEvent = (name, payload, transport = null) => {
-    writeChain = writeChain.then(() => writeEvent(name, payload, transport));
-    return writeChain;
-  };
-
-  const realtimeConnection = {
-    close(fields = {}) {
-      if (!isActive()) return false;
-      realtimeCloseReason = textValue(fields.reason) || "server_shutdown";
-      realtimeCloseSignal = textValue(fields.signal) || null;
-      void enqueueEvent("workbench.server_draining", {
-        type: "server.draining",
-        status: "closing",
-        reason: realtimeCloseReason,
-        signal: realtimeCloseSignal,
-        capabilities: realtimeCapabilities,
-        lossPossible: true
-      }).finally(() => {
-        if (!response.writableEnded) response.end();
-      });
-      return true;
-    },
-    isActive
-  };
-  activeWorkbenchRealtimeConnections.add(realtimeConnection);
-  cleanup.push(() => activeWorkbenchRealtimeConnections.delete(realtimeConnection));
-
-  await enqueueEvent("workbench.connected", {
-    type: "connected",
-    status: "connected",
-    capabilities: realtimeCapabilities,
-    realtimeSource: "hwlab.event.v1",
-    deliverySemantics: "live-only",
-    liveOnly: true,
-    replay: false,
-    replaySupported: false,
-    lossPossible: true,
-    filters: { sessionId: authorizedSessionId, traceId: requestedTraceId }
-  });
-  liveDeliveryStarted = true;
-  const readyBufferedEnvelopes = bufferedEnvelopes.splice(0);
-  for (const { envelope, transport } of readyBufferedEnvelopes) void enqueueEvent("hwlab.event.v1", envelope, transport);
-  await writeChain;
-  if (!isActive()) {
-    closeConnection();
-    return;
-  }
-  const heartbeatTimer = setInterval(() => {
-    void enqueueEvent("workbench.heartbeat", {
-      type: "heartbeat",
-      status: "connected",
-      realtimeSource: "hwlab.event.v1",
-      liveOnly: true,
-      replay: false,
-      lossPossible: true,
-      serverSentAt: new Date().toISOString(),
-      valuesPrinted: false
-    });
-  }, heartbeatMs);
-  heartbeatTimer.unref?.();
-  cleanup.push(() => clearInterval(heartbeatTimer));
-  emitWorkbenchRealtimeAcceptedOtelSpan(request, options.env);
-}
-
-async function handleKafkaRefreshReplayWorkbenchRealtimeHttp(request, response, options, input) {
-  const {
-    bridge,
-    heartbeatMs,
-    realtimeCapabilities,
-    requestedSessionId,
-    requestedTraceId
-  } = input;
-  const refreshReplay = bridge?.refreshReplay;
-  if (!refreshReplay || typeof bridge?.queryHwlabEventRetention !== "function") {
-    sendJson(response, 503, workbenchError("workbench_kafka_refresh_unconfigured", "Workbench Kafka refresh replay is enabled without its retention query runtime."));
-    return;
-  }
-  let closed = false;
-  let realtimeCloseReason = "client_close";
-  let realtimeCloseSignal = null;
-  let failureClosing = false;
-  const realtimeStartedAtMs = Date.now();
-  const cleanup = [];
-  const isActive = () => !closed && !response.destroyed && !response.writableEnded;
-  const closeConnection = () => {
-    if (closed) return;
-    closed = true;
-    emitWorkbenchRealtimeClosedOtelSpan(request, options.env, {
-      reason: realtimeCloseReason,
-      signal: realtimeCloseSignal,
-      startedAtMs: realtimeStartedAtMs,
-      sessionId: requestedSessionId,
-      threadId: null,
-      traceId: requestedTraceId,
-      activeConnectionCount: activeWorkbenchRealtimeConnections.size
-    });
-    for (const item of cleanup.splice(0)) item();
-  };
-
-  response.once("close", closeConnection);
-  request.once?.("aborted", closeConnection);
-  request.socket?.once?.("close", closeConnection);
-  cleanup.push(() => request.off?.("aborted", closeConnection));
-  cleanup.push(() => request.socket?.off?.("close", closeConnection));
-
-  try {
-    await (bridge.liveReady ?? bridge.ready);
-  } catch (error) {
-    for (const item of cleanup.splice(0)) item();
-    throw error;
-  }
-  if (!isActive()) {
-    closeConnection();
-    return;
-  }
-
-  response.writeHead(200, {
-    "content-type": "text/event-stream; charset=utf-8",
-    "cache-control": "no-store, no-transform",
-    connection: "keep-alive",
-    "x-accel-buffering": "no",
-    "x-content-type-options": "nosniff"
-  });
-  if (typeof response.flushHeaders === "function") response.flushHeaders();
-
-  const writeEvent = async (name, payload, transport = null) => {
-    if (!isActive()) return false;
-    const block = `event: ${name}\ndata: ${JSON.stringify(payload)}\n\n`;
-    const writable = response.write(block);
-    if (!writable) await waitForResponseDrain(response, isActive);
-    const active = isActive();
-    if (active && name === "hwlab.event.v1") {
-      emitLiveKafkaOtelSpan("hwlab.workbench.live_sse.business_event_write", payload, transport, {
-        env: options.env,
-        otelSpanEmitter: options.otelSpanEmitter ?? emitCodeAgentOtelSpan
-      });
-    }
-    return active;
-  };
-  let writeChain = Promise.resolve(true);
-  const enqueueEvent = (name, payload, transport = null) => {
-    writeChain = writeChain.then(() => writeEvent(name, payload, transport));
-    return writeChain;
-  };
-  const closeWithRefreshFailure = async (error) => {
-    if (failureClosing || !isActive()) return;
-    failureClosing = true;
-    await enqueueEvent("workbench.error", workbenchKafkaRefreshErrorPayload(error, {
-      sessionId: requestedSessionId,
-      traceId: requestedTraceId
-    }));
-    await writeChain;
-    if (!response.writableEnded) response.end();
-  };
-
-  const realtimeConnection = {
-    close(fields = {}) {
-      if (!isActive()) return false;
-      realtimeCloseReason = textValue(fields.reason) || "server_shutdown";
-      realtimeCloseSignal = textValue(fields.signal) || null;
-      void enqueueEvent("workbench.server_draining", {
-        type: "server.draining",
-        status: "closing",
-        reason: realtimeCloseReason,
-        signal: realtimeCloseSignal,
-        capabilities: realtimeCapabilities,
-        lossPossible: false
-      }).finally(() => {
-        if (!response.writableEnded) response.end();
-      });
-      return true;
-    },
-    isActive
-  };
-  activeWorkbenchRealtimeConnections.add(realtimeConnection);
-  cleanup.push(() => activeWorkbenchRealtimeConnections.delete(realtimeConnection));
-
-  const handoff = createWorkbenchKafkaRefreshHandoff({
-    sessionId: requestedSessionId,
-    traceId: requestedTraceId,
-    liveBufferLimit: refreshReplay.liveBufferLimit,
-    subscribeLive: (listener) => bridge.subscribeLiveHwlabEvents(listener),
-    queryRetention: ({ signal }) => bridge.queryHwlabEventRetention({
-      sessionId: requestedSessionId,
-      traceId: requestedTraceId,
-      limit: refreshReplay.matchedEventLimit,
-      scanLimit: refreshReplay.scanLimit,
-      timeoutMs: refreshReplay.timeoutMs,
-      groupIdPrefix: refreshReplay.groupIdPrefix,
-      fromBeginning: true,
-      signal
-    }),
-    deliverEvent: (envelope, transport) => enqueueEvent("hwlab.event.v1", envelope, transport),
-    deliverConnected: (summary) => enqueueEvent("workbench.connected", {
-      type: "connected",
-      status: "connected",
-      capabilities: realtimeCapabilities,
-      realtimeSource: "hwlab.event.v1",
-      deliverySemantics: "kafka-retention-then-live",
-      liveOnly: false,
-      replay: true,
-      replaySupported: true,
-      lossPossible: false,
-      filters: { sessionId: requestedSessionId, traceId: requestedTraceId },
-      refreshReplay: summary
-    }),
-    onFailure: closeWithRefreshFailure
-  });
-  cleanup.push(() => handoff.stop("connection-closed"));
-
-  try {
-    await handoff.start();
-  } catch (error) {
-    if (isActive()) await closeWithRefreshFailure(error);
-    return;
-  }
-  if (!isActive()) return;
-
-  const heartbeatTimer = setInterval(() => {
-    void enqueueEvent("workbench.heartbeat", {
-      type: "heartbeat",
-      status: "connected",
-      realtimeSource: "hwlab.event.v1",
-      deliverySemantics: "kafka-retention-then-live",
-      liveOnly: false,
-      replay: true,
-      lossPossible: false,
-      serverSentAt: new Date().toISOString(),
-      valuesPrinted: false
-    });
-  }, heartbeatMs);
-  heartbeatTimer.unref?.();
-  cleanup.push(() => clearInterval(heartbeatTimer));
-  emitWorkbenchRealtimeAcceptedOtelSpan(request, options.env);
-}
-
-async function authorizeLiveKafkaWorkbenchRealtimeScope(options, actor, { sessionId, traceId }) {
-  const access = options.accessController;
-  if ((sessionId && typeof access?.getAgentSession !== "function") || (traceId && typeof access?.getAgentSessionByTraceId !== "function")) {
-    return {
-      ok: false,
-      status: 503,
-      body: workbenchError("workbench_realtime_authorization_unconfigured", "Workbench live realtime ownership authorization is not configured.")
-    };
-  }
-
-  const [sessionById, sessionByTrace] = await Promise.all([
-    sessionId ? access.getAgentSession(sessionId) : null,
-    traceId ? access.getAgentSessionByTraceId(traceId) : null
-  ]);
-  const sessionByIdId = sessionById ? safeSessionId(sessionById.id ?? sessionById.sessionId) : null;
-  const sessionByTraceId = sessionByTrace ? safeSessionId(sessionByTrace.id ?? sessionByTrace.sessionId) : null;
-  const scopeMissing = (sessionId && sessionByIdId !== sessionId)
-    || (traceId && !sessionByTraceId)
-    || (sessionId && traceId && sessionByIdId !== sessionByTraceId);
-  const resolvedSessions = [sessionById, sessionByTrace].filter(Boolean);
-  const ownedByActor = actor?.role === "admin" || (Boolean(actor?.id)
-    && resolvedSessions.length > 0
-    && resolvedSessions.every((session) => textValue(session.ownerUserId) === actor.id));
-  if (scopeMissing || !ownedByActor) {
-    return {
-      ok: false,
-      status: 404,
-      body: workbenchError("workbench_realtime_scope_not_found", "Workbench realtime scope is not visible to the current actor.")
-    };
-  }
-  return { ok: true, sessionId: sessionByIdId ?? sessionByTraceId };
-}
-
-function liveKafkaEnvelopeMatches(envelope, sessionId, traceId) {
-  if (!envelope || envelope.schema !== "hwlab.event.v1") return false;
-  if (sessionId && safeSessionId(envelope.hwlabSessionId ?? envelope.sessionId) !== sessionId) return false;
-  if (traceId && safeTraceId(envelope.traceId) !== traceId) return false;
-  return true;
-}
-
 export function attachWorkbenchRealtimeOtelContext(request, fields = {}) {
   const context = request?.hwlabHttpRequestContext;
   if (!context) return;
@@ -865,9 +455,9 @@ export function attachWorkbenchRealtimeOtelContext(request, fields = {}) {
     "workbench.thread_id": fields.threadId ?? null,
     "workbench.sse.heartbeat_ms": fields.heartbeatMs ?? null,
     "workbench.sse.realtime_source": fields.realtimeSource ?? null,
-    "workbench.sse.live_kafka_enabled": fields.realtimeCapabilities?.liveKafkaSse ?? null,
-    "workbench.sse.projection_realtime_enabled": fields.realtimeCapabilities?.projectionRealtime ?? null,
-    "workbench.sse.outbox_mode": fields.realtimeCapabilities?.liveKafkaSse === true ? false : true
+    "workbench.sse.live_kafka_enabled": false,
+    "workbench.sse.projection_realtime_enabled": true,
+    "workbench.sse.outbox_mode": true
   };
 }
 
diff --git a/internal/cloud/server.ts b/internal/cloud/server.ts
index 148283d8..945259b4 100644
--- a/internal/cloud/server.ts
+++ b/internal/cloud/server.ts
@@ -372,10 +372,7 @@ export async function buildHealthPayload(options = {}) {
 async function kafkaProjectorHealth(projector, { liveProbe = false } = {}) {
   if (!projector?.started) return { started: false, reason: projector?.reason ?? "disabled", valuesRedacted: true };
   const identity = {
-    capabilities: projector.capabilities ?? null,
-    directPublishGroupId: projector.directPublishGroupId ?? null,
     projectorGroupId: projector.projectorGroupId ?? null,
-    hwlabEventGroupId: projector.hwlabEventGroupId ?? null,
     agentRunTopic: projector.agentRunTopic,
     hwlabTopic: projector.hwlabTopic
   };
diff --git a/internal/cloud/workbench-projection-writer.test.ts b/internal/cloud/workbench-projection-writer.test.ts
index 3336f1c8..29d8c931 100644
--- a/internal/cloud/workbench-projection-writer.test.ts
+++ b/internal/cloud/workbench-projection-writer.test.ts
@@ -144,6 +144,89 @@ test("authoritative assistant final seals terminal with a final response", () =>
   assert.equal(built.facts.checkpoints[0].projectionStatus, "caught_up");
 });
 
+test("canonical event time owns running, terminal, replay, and duration", () => {
+  const running = buildWorkbenchProjectionEventFacts({
+    projectedSeq: 20,
+    projectedAt: "2026-07-10T10:17:00.000Z",
+    event: {
+      traceId: "trc_canonical_duration",
+      sessionId: "ses_canonical_duration",
+      sourceEventId: "evt_canonical_running",
+      sourceSeq: 41,
+      type: "assistant",
+      eventType: "assistant_progress",
+      status: "running",
+      createdAt: "2026-07-10T10:00:01.000Z",
+      startedAt: "2026-07-10T09:43:00.000Z",
+      durationMs: 1020000
+    }
+  });
+  const runningCheckpoint = running.facts.checkpoints[0];
+  assert.equal(runningCheckpoint.startedAt, "2026-07-10T10:00:01.000Z");
+  assert.equal(runningCheckpoint.lastEventAt, "2026-07-10T10:00:01.000Z");
+  assert.equal(runningCheckpoint.durationMs, null);
+
+  const terminal = buildWorkbenchProjectionEventFacts({
+    projectedSeq: 21,
+    projectedAt: "2026-07-10T10:18:00.000Z",
+    previousCheckpoint: runningCheckpoint,
+    event: {
+      traceId: "trc_canonical_duration",
+      sessionId: "ses_canonical_duration",
+      sourceEventId: "evt_canonical_terminal",
+      sourceSeq: 42,
+      type: "assistant",
+      eventType: "assistant",
+      status: "completed",
+      terminal: true,
+      replyAuthority: true,
+      text: "canonical final",
+      createdAt: "2026-07-10T10:00:04.000Z",
+      finishedAt: "2026-07-10T10:18:00.000Z",
+      durationMs: 1020000
+    }
+  });
+  const terminalCheckpoint = terminal.facts.checkpoints[0];
+  assert.equal(terminalCheckpoint.startedAt, "2026-07-10T10:00:01.000Z");
+  assert.equal(terminalCheckpoint.finishedAt, "2026-07-10T10:00:04.000Z");
+  assert.equal(terminalCheckpoint.durationMs, 3000);
+
+  const [replayed] = projectionOutboxRealtimeEvents({
+    events: [{
+      outboxSeq: 72,
+      entityFamily: "traceEvents",
+      entityId: terminal.facts.traceEvents[0].id,
+      projectedSeq: 21,
+      projectionRevision: 1,
+      traceId: "trc_canonical_duration",
+      sessionId: "ses_canonical_duration",
+      commitType: "event",
+      terminal: true,
+      sealed: true,
+      payload: { family: "traceEvents", fact: terminal.facts.traceEvents[0] }
+    }]
+  });
+  assert.deepEqual(replayed.payload.cursor, { outboxSeq: 72, traceSeq: 21 });
+  assert.equal(replayed.payload.event.durationMs, 3000);
+  const [refreshed] = projectionOutboxRealtimeEvents({
+    events: [{
+      outboxSeq: 72,
+      entityFamily: "traceEvents",
+      entityId: terminal.facts.traceEvents[0].id,
+      projectedSeq: 21,
+      projectionRevision: 1,
+      traceId: "trc_canonical_duration",
+      sessionId: "ses_canonical_duration",
+      commitType: "event",
+      terminal: true,
+      sealed: true,
+      payload: { family: "traceEvents", fact: terminal.facts.traceEvents[0] }
+    }]
+  });
+  assert.deepEqual(refreshed.payload.cursor, replayed.payload.cursor);
+  assert.equal(refreshed.payload.event.durationMs, replayed.payload.event.durationMs);
+});
+
 test("completed terminal without final response remains visibly unsealed", () => {
   const built = buildWorkbenchProjectionEventFacts({
     projectedSeq: 1,
diff --git a/internal/cloud/workbench-projection-writer.ts b/internal/cloud/workbench-projection-writer.ts
index ab05e8d0..705da175 100644
--- a/internal/cloud/workbench-projection-writer.ts
+++ b/internal/cloud/workbench-projection-writer.ts
@@ -205,12 +205,9 @@ export function buildWorkbenchProjectionEventFacts({ event = {}, requestMeta = {
       valuesPrinted: false
     };
   }
-  const explicitEventTiming = normalizeTimingProjection(event.timing) ?? normalizeTimingProjection(event);
-  const explicitDurationMs = durationValue(event.durationMs ?? explicitEventTiming?.durationMs);
-  const explicitStartedAt = optionalTimestampValue(event.startedAt ?? event.traceStartedAt ?? event.runnerStartedAt ?? explicitEventTiming?.startedAt);
-  const provisionalLastEventAt = latestTimestamp(previousTiming?.lastEventAt, explicitEventTiming?.lastEventAt, occurredAt);
-  const provisionalFinishedAt = sourceTerminal ? latestTimestamp(explicitEventTiming?.finishedAt, optionalTimestampValue(event.finishedAt), provisionalLastEventAt, occurredAt) : null;
-  const startedAt = previousTiming?.startedAt ?? explicitStartedAt ?? startedAtFromDuration(provisionalFinishedAt, explicitDurationMs) ?? (sourceSeq <= 1 ? occurredAt : null);
+  const provisionalLastEventAt = latestTimestamp(previousTiming?.lastEventAt, occurredAt);
+  const provisionalFinishedAt = sourceTerminal ? provisionalLastEventAt : null;
+  const startedAt = previousTiming?.startedAt ?? occurredAt;
   const lastEventAt = provisionalLastEventAt;
   const finishedAt = sourceTerminal ? latestTimestamp(provisionalFinishedAt, lastEventAt) : null;
   const sourceEventId = workbenchSourceEventId(event, { traceId, sourceSeq, occurredAt });
@@ -226,7 +223,7 @@ export function buildWorkbenchProjectionEventFacts({ event = {}, requestMeta = {
   const terminalSealBlocked = sourceTerminal && sourceStatus === "completed" && !messageFinalText;
   const effectiveTerminal = sourceTerminal && !terminalSealBlocked;
   const effectiveStatus = effectiveTerminal ? sourceStatus : "running";
-  const timing = eventTimingProjection({ startedAt, lastEventAt, finishedAt, terminal: effectiveTerminal, durationMs: explicitDurationMs ?? previousTiming?.durationMs });
+  const timing = eventTimingProjection({ startedAt, lastEventAt, finishedAt, terminal: effectiveTerminal });
   const timingAuthorityIssue = terminalTimingAuthorityIssue(timing, { terminal: effectiveTerminal, traceId, source: "kafka", status: effectiveStatus, label: event.label, sourceSeq });
   const projectionDiagnostic = { timingAuthorityIssue, terminalSealBlocked, sourceTerminal, sourceStatus, authority: "agentrun-kafka-projector", valuesRedacted: true };
   const userMessageFact = sessionId && previousCheckpoint?.userMessage ? normalizeMessageFact(previousCheckpoint.userMessage, 0, { traceId, sessionId, turnId, terminal: false, terminalStatus: "sent", finalText: null, timestamp: projectedAt, timing }) : null;
@@ -499,13 +496,6 @@ function elapsedBetween(startedAt, endedAt) {
   return Math.trunc(end - start);
 }
 
-function startedAtFromDuration(finishedAt, durationMs) {
-  const end = Date.parse(String(finishedAt ?? ""));
-  const duration = durationValue(durationMs);
-  if (!Number.isFinite(end) || duration === null) return null;
-  return new Date(Math.max(0, end - duration)).toISOString();
-}
-
 function terminalTimingAuthorityIssue(timing, { terminal = false, traceId = null, source = null, status = null, label = null, sourceSeq = null } = {}) {
   if (!terminal) return null;
   const startedAt = optionalTimestampValue(timing?.startedAt);
diff --git a/internal/cloud/workbench-realtime-capabilities.ts b/internal/cloud/workbench-realtime-capabilities.ts
deleted file mode 100644
index 8d87d200..00000000
--- a/internal/cloud/workbench-realtime-capabilities.ts
+++ /dev/null
@@ -1,35 +0,0 @@
-// SPEC: PJ2026-0104010803 Workbench composable realtime capabilities.
-// Responsibility: validate YAML-owned capability switches without code defaults or implied mode selection.
-
-export const WORKBENCH_REALTIME_CAPABILITY_ENVS = Object.freeze({
-  directPublish: "HWLAB_KAFKA_DIRECT_PUBLISH_ENABLED",
-  liveKafkaSse: "HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED",
-  kafkaRefreshReplay: "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_ENABLED",
-  transactionalProjector: "HWLAB_KAFKA_TRANSACTIONAL_PROJECTOR_ENABLED",
-  projectionOutboxRelay: "HWLAB_KAFKA_PROJECTION_OUTBOX_RELAY_ENABLED",
-  projectionRealtime: "HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED"
-});
-
-export function workbenchRealtimeCapabilities(env = process.env) {
-  return Object.fromEntries(Object.entries(WORKBENCH_REALTIME_CAPABILITY_ENVS).map(([key, name]) => [key, requiredBooleanEnv(env, name)]));
-}
-
-export function requiredBooleanEnv(env, name) {
-  const value = String(env?.[name] ?? "").trim().toLowerCase();
-  if (value === "true" || value === "1") return true;
-  if (value === "false" || value === "0") return false;
-  throw capabilityError(
-    "hwlab_workbench_realtime_capability_invalid",
-    `${name} is required and must be explicitly true or false in the owning YAML.`,
-    name
-  );
-}
-
-function capabilityError(code, message, envName) {
-  return Object.assign(new Error(message), {
-    code,
-    envName,
-    statusCode: 503,
-    valuesRedacted: true
-  });
-}
diff --git a/internal/dev-entrypoint/cloud-web-runtime.mjs b/internal/dev-entrypoint/cloud-web-runtime.mjs
index 25f1e254..096f6cda 100644
--- a/internal/dev-entrypoint/cloud-web-runtime.mjs
+++ b/internal/dev-entrypoint/cloud-web-runtime.mjs
@@ -400,11 +400,6 @@ function validateDisplayLocale(locale) {
 function workbenchRuntimeConfigFromEnv() {
   const traceTimeline = {};
   const result = {
-    realtimeFeatures: {
-      liveKafkaSse: requiredWorkbenchRealtimeFeature(process.env.HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED, "HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED"),
-      kafkaRefreshReplay: requiredWorkbenchRealtimeFeature(process.env.HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_ENABLED, "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_ENABLED"),
-      projectionRealtime: requiredWorkbenchRealtimeFeature(process.env.HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED, "HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED")
-    },
     debugCapabilities: {
       isolatedKafka: requiredWorkbenchRealtimeFeature(process.env.HWLAB_WORKBENCH_KAFKA_DEBUG_REPLAY_ENABLED, "HWLAB_WORKBENCH_KAFKA_DEBUG_REPLAY_ENABLED"),
       rawHwlabEventWindow: {
diff --git a/internal/dev-entrypoint/cloud-web-runtime.test.mjs b/internal/dev-entrypoint/cloud-web-runtime.test.mjs
index 89504981..f2924882 100644
--- a/internal/dev-entrypoint/cloud-web-runtime.test.mjs
+++ b/internal/dev-entrypoint/cloud-web-runtime.test.mjs
@@ -1,5 +1,5 @@
 import assert from "node:assert/strict";
-import { mkdtemp, rm, writeFile } from "node:fs/promises";
+import { mkdtemp, readFile, rm, writeFile } from "node:fs/promises";
 import { createServer } from "node:http";
 import { connect } from "node:net";
 import os from "node:os";
@@ -16,7 +16,25 @@ test("cloud web classifies Bun client disconnect ECONNRESET as non-fatal", () =>
   assert.equal(isClientDisconnectError(new Error("database migration failed")), false);
 });
 
-test("serveCloudWeb rejects a missing refresh replay capability without opening health or SPA routes", async () => {
+test("repo feature schema owns one unique key per product feature", async () => {
+  const schema = JSON.parse(await readFile(new URL("../../config/feature-config.schema.json", import.meta.url), "utf8"));
+  assert.equal(schema.$schema, "https://json-schema.org/draft/2020-12/schema");
+  assert.deepEqual(Object.keys(schema.properties), ["tracePanel", "rawEvents", "debugReplay", "views"]);
+  const features = Object.values(schema.properties).map((property) => property["x-unidesk-feature"]);
+  assert.equal(features.every((feature) => typeof feature === "string" && feature.length > 0), true);
+  assert.equal(new Set(features).size, features.length);
+  const encoded = JSON.stringify(schema);
+  for (const architectureEnv of [
+    "HWLAB_KAFKA_DIRECT_PUBLISH_ENABLED",
+    "HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED",
+    "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_ENABLED",
+    "HWLAB_KAFKA_TRANSACTIONAL_PROJECTOR_ENABLED",
+    "HWLAB_KAFKA_PROJECTION_OUTBOX_RELAY_ENABLED",
+    "HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED"
+  ]) assert.equal(encoded.includes(architectureEnv), false);
+});
+
+test("serveCloudWeb starts without obsolete architecture capabilities", async () => {
   const restoreEnv = withEnv({
     HWLAB_CLOUD_WEB_DISPLAY_TIME_ZONE: "Asia/Shanghai",
     HWLAB_CLOUD_WEB_DISPLAY_TIME_LOCALE: "zh-CN",
@@ -29,19 +47,21 @@ test("serveCloudWeb rejects a missing refresh replay capability without opening
     HWLAB_WORKBENCH_RAW_HWLAB_EVENT_WINDOW_MAX_ENTRIES: "200",
     HWLAB_WORKBENCH_RAW_HWLAB_EVENT_WINDOW_MAX_RETAINED_BYTES: "1048576"
   });
-  delete process.env.HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_ENABLED;
   const port = await unusedPort();
+  let server = null;
   try {
-    await assert.rejects(serveCloudWeb({
+    server = await serveCloudWeb({
       port,
       serviceId: "hwlab-cloud-web",
       healthPayload: () => ({ status: "ok" }),
-      sendJson() {
-        assert.fail("missing runtime configuration must fail before serving any response");
+      sendJson(response, statusCode, body) {
+        response.writeHead(statusCode, { "content-type": "application/json" });
+        response.end(JSON.stringify(body));
       }
-    }), /HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_ENABLED/u);
-    assert.equal(await canConnect(port), false, "serveCloudWeb must not bind before runtime configuration is valid");
+    });
+    assert.equal(await canConnect(port), true);
   } finally {
+    if (server) await close(server);
     restoreEnv();
   }
 });
@@ -497,7 +517,7 @@ test("cloud web serves client deep links through the Vue shell", async () => {
       const html = await response.text();
       assert.match(html, /<div id="root"><\/div>/u, route);
       assert.match(html, /HWLAB_CLOUD_WEB_CONFIG/u, route);
-      assert.match(html, /"realtimeFeatures":\{"liveKafkaSse":true,"kafkaRefreshReplay":true,"projectionRealtime":false\}/u, route);
+      assert.doesNotMatch(html, /realtimeFeatures|liveKafkaSse|kafkaRefreshReplay|projectionRealtime/u, route);
       assert.match(html, /"debugCapabilities":\{"isolatedKafka":true,"rawHwlabEventWindow":\{"enabled":true,"maxEntries":200,"maxRetainedBytes":1048576\}\}/u, route);
     }
 
diff --git a/scripts/gitops-render.test.ts b/scripts/gitops-render.test.ts
index 5902b4f7..eb9d7663 100644
--- a/scripts/gitops-render.test.ts
+++ b/scripts/gitops-render.test.ts
@@ -687,11 +687,14 @@ test("v03 render keeps node identity as data instead of generated structure", as
     assert.equal(cloudApiEnv.get("HWLAB_CLOUD_DB_SSL_MODE"), "require");
     assert.equal(cloudApiEnv.get("HWLAB_KAFKA_ENABLED"), "true");
     assert.equal(cloudApiEnv.get("HWLAB_KAFKA_AGENTRUN_EVENT_CONSUME_ENABLED"), "true");
-    assert.equal(cloudApiEnv.get("HWLAB_KAFKA_DIRECT_PUBLISH_ENABLED"), "true");
-    assert.equal(cloudApiEnv.get("HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED"), "true");
-    assert.equal(cloudApiEnv.get("HWLAB_KAFKA_TRANSACTIONAL_PROJECTOR_ENABLED"), "false");
-    assert.equal(cloudApiEnv.get("HWLAB_KAFKA_PROJECTION_OUTBOX_RELAY_ENABLED"), "false");
-    assert.equal(cloudApiEnv.get("HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED"), "false");
+    for (const name of [
+      "HWLAB_KAFKA_DIRECT_PUBLISH_ENABLED",
+      "HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED",
+      "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_ENABLED",
+      "HWLAB_KAFKA_TRANSACTIONAL_PROJECTOR_ENABLED",
+      "HWLAB_KAFKA_PROJECTION_OUTBOX_RELAY_ENABLED",
+      "HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED"
+    ]) assert.equal(cloudApiEnv.has(name), false);
     assert.equal(cloudApiEnv.get("HWLAB_WORKBENCH_KAFKA_DEBUG_REPLAY_ENABLED"), "true");
     assert.equal(cloudApiEnv.get("HWLAB_KAFKA_BOOTSTRAP_SERVERS"), "platform-infra-kafka-kafka-bootstrap.platform-infra.svc.cluster.local:9092");
     assert.equal(cloudApiEnv.get("HWLAB_KAFKA_STDIO_TOPIC"), "codex-stdio.raw.v1");
@@ -709,8 +712,14 @@ test("v03 render keeps node identity as data instead of generated structure", as
     const cloudWeb = (workloadsJson.items ?? []).find((item) => item.kind === "Deployment" && item.metadata?.name === "hwlab-cloud-web");
     const cloudWebContainer = collectContainersFromItem(cloudWeb).find((container) => container.name === "hwlab-cloud-web");
     const cloudWebEnv = new Map((cloudWebContainer?.env ?? []).map((entry) => [entry.name, entry.value]));
-    assert.equal(cloudWebEnv.get("HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED"), "true");
-    assert.equal(cloudWebEnv.get("HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED"), "false");
+    for (const name of [
+      "HWLAB_KAFKA_DIRECT_PUBLISH_ENABLED",
+      "HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED",
+      "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_ENABLED",
+      "HWLAB_KAFKA_TRANSACTIONAL_PROJECTOR_ENABLED",
+      "HWLAB_KAFKA_PROJECTION_OUTBOX_RELAY_ENABLED",
+      "HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED"
+    ]) assert.equal(cloudWebEnv.has(name), false);
     assert.equal(cloudWebEnv.get("HWLAB_WORKBENCH_KAFKA_DEBUG_REPLAY_ENABLED"), "true");
     assert.equal(cloudWebEnv.get("HWLAB_WORKBENCH_RAW_HWLAB_EVENT_WINDOW_ENABLED"), "1");
     assert.equal(cloudWebEnv.get("HWLAB_WORKBENCH_RAW_HWLAB_EVENT_WINDOW_MAX_ENTRIES"), "200");
diff --git a/scripts/runtime-realtime-capabilities-config.test.mjs b/scripts/runtime-realtime-capabilities-config.test.mjs
index 86b74b8f..a037d55d 100644
--- a/scripts/runtime-realtime-capabilities-config.test.mjs
+++ b/scripts/runtime-realtime-capabilities-config.test.mjs
@@ -3,13 +3,14 @@ import test from "node:test";
 
 import { readStructuredFile } from "./src/structured-config.mjs";
 
-const PRODUCT_CAPABILITIES = Object.freeze({
-  HWLAB_KAFKA_DIRECT_PUBLISH_ENABLED: "true",
-  HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED: "true",
-  HWLAB_KAFKA_TRANSACTIONAL_PROJECTOR_ENABLED: "false",
-  HWLAB_KAFKA_PROJECTION_OUTBOX_RELAY_ENABLED: "false",
-  HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED: "false"
-});
+const OBSOLETE_ARCHITECTURE_ENV = Object.freeze([
+  "HWLAB_KAFKA_DIRECT_PUBLISH_ENABLED",
+  "HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED",
+  "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_ENABLED",
+  "HWLAB_KAFKA_TRANSACTIONAL_PROJECTOR_ENABLED",
+  "HWLAB_KAFKA_PROJECTION_OUTBOX_RELAY_ENABLED",
+  "HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED"
+]);
 
 const LIVE_KAFKA_CONTRACT = Object.freeze({
   HWLAB_KAFKA_STDIO_TOPIC: "codex-stdio.raw.v1",
@@ -21,7 +22,6 @@ const LIVE_KAFKA_CONTRACT = Object.freeze({
 });
 
 const UNIDESK_OWNED_REFRESH_REPLAY_ENV = Object.freeze([
-  "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_ENABLED",
   "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_GROUP_PREFIX",
   "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_TIMEOUT_MS",
   "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_SCAN_LIMIT",
@@ -37,15 +37,16 @@ const ISOLATED_DEBUG_CONTRACT = Object.freeze({
   HWLAB_WORKBENCH_KAFKA_DEBUG_REPLAY_TIMEOUT_MS: "15000"
 });
 
-test("v03 YAML keeps pure Kafka realtime capabilities independently composable", async () => {
+test("v03 YAML fixes one transactional projection architecture without architecture env", async () => {
   const deploy = await readStructuredFile(process.cwd(), "deploy/deploy.yaml");
   const cloudApi = deploy.lanes?.v03?.services?.find((service) => service.serviceId === "hwlab-cloud-api");
   const cloudWeb = deploy.lanes?.v03?.serviceDeclarations?.["hwlab-cloud-web"];
   assert.ok(cloudApi, "deploy.lanes.v03.services must declare hwlab-cloud-api");
   assert.ok(cloudWeb, "deploy.lanes.v03.serviceDeclarations must declare hwlab-cloud-web");
 
-  for (const [name, expected] of Object.entries(PRODUCT_CAPABILITIES)) {
-    assert.equal(cloudApi.env?.[name], expected, `${name} must be explicitly YAML-owned`);
+  for (const name of OBSOLETE_ARCHITECTURE_ENV) {
+    assert.equal(cloudApi.env?.[name], undefined, `${name} must not be rendered into cloud-api`);
+    assert.equal(cloudWeb.env?.[name], undefined, `${name} must not be rendered into cloud-web`);
   }
   for (const [name, expected] of Object.entries(LIVE_KAFKA_CONTRACT)) {
     assert.equal(cloudApi.env?.[name], expected, `${name} must preserve the pure Kafka live contract`);
@@ -59,8 +60,5 @@ test("v03 YAML keeps pure Kafka realtime capabilities independently composable",
 
   assert.equal(cloudApi.env?.HWLAB_SESSION_COOKIE_DOMAIN, undefined, "internal and public origins require host-scoped session cookies");
   assert.notEqual(cloudApi.env?.HWLAB_KAFKA_AGENTRUN_EVENT_GROUP_ID, "hwlab-v03-agentrun-event-bridge");
-  assert.equal(cloudWeb.env?.HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED, "true");
-  assert.equal(cloudWeb.env?.HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_ENABLED, "true");
-  assert.equal(cloudWeb.env?.HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED, "false");
   assert.equal(cloudWeb.env?.HWLAB_WORKBENCH_KAFKA_DEBUG_REPLAY_ENABLED, "true");
 });
diff --git a/web/hwlab-cloud-web/scripts/check.ts b/web/hwlab-cloud-web/scripts/check.ts
index 2c7f9d1b..c8c2eab8 100644
--- a/web/hwlab-cloud-web/scripts/check.ts
+++ b/web/hwlab-cloud-web/scripts/check.ts
@@ -199,7 +199,6 @@ assertIncludes(workbenchRealtimePlanSource, "afterOutboxSeq: finiteNumber(recove
 assert.doesNotMatch(workbenchRealtimePlanSource, /force:\s*true/u, "Realtime recovery planner must not turn transport recovery into force-refresh work");
 assertIncludes(workbenchColadaSource, "const state = await queryCache.refresh(entry);", "Workbench reads must preserve Colada staleTime/min-interval governance");
 assert.doesNotMatch(workbenchColadaSource, /queryCache\.fetch\(entry/u, "Workbench reads must not call queryCache.fetch(entry), which bypasses Colada freshness governance");
-assertIncludes(workbenchStoreSource, "runtimePolicy.sessionListRealtimeRefreshDelayMs", "Realtime recovery delay must come from runtime policy instead of store constants");
 assertIncludes(workbenchStoreSource, "workbenchColadaQueries.fetchSession", "Realtime session detail recovery must enter Colada query facade");
 assertIncludes(workbenchStoreSource, "runtimePolicy.workbenchSessionDetailMinRefreshMs", "Realtime session detail recovery budget must come from runtime policy");
 assert.doesNotMatch(workbenchStoreSource, /refreshRealtimeSessionMessages[\s\S]{0,900}refreshSessionMessageProjectionPage\(id, \{ force: true \}\)/u, "Realtime session message recovery must not force-bypass the message projection refresh budget");
diff --git a/web/hwlab-cloud-web/scripts/workbench-fixed-transactional-architecture.test.ts b/web/hwlab-cloud-web/scripts/workbench-fixed-transactional-architecture.test.ts
new file mode 100644
index 00000000..a46acec0
--- /dev/null
+++ b/web/hwlab-cloud-web/scripts/workbench-fixed-transactional-architecture.test.ts
@@ -0,0 +1,93 @@
+import assert from "node:assert/strict";
+import { readFile } from "node:fs/promises";
+import test from "node:test";
+import { fileURLToPath } from "node:url";
+
+const repositoryRoot = fileURLToPath(new URL("../../..", import.meta.url));
+const productionFiles = [
+  "internal/cloud/kafka-event-bridge.ts",
+  "internal/cloud/server-workbench-realtime-http.ts",
+  "internal/cloud/server-workbench-facts.ts",
+  "internal/cloud/server-code-agent-admission-http.ts",
+  "internal/cloud/server.ts",
+  "web/hwlab-cloud-web/src/config/runtime.ts",
+  "web/hwlab-cloud-web/src/config/workbench-runtime-policy.ts",
+  "web/hwlab-cloud-web/src/types/global.d.ts",
+  "web/hwlab-cloud-web/src/api/workbench-events.ts",
+  "web/hwlab-cloud-web/src/utils/workbench-stream-transport.ts",
+  "web/hwlab-cloud-web/src/utils/workbench-realtime-runtime.ts",
+  "web/hwlab-cloud-web/src/stores/workbench.ts",
+  "web/hwlab-cloud-web/src/stores/workbench-colada-queries.ts",
+  "web/hwlab-cloud-web/src/stores/workbench-event-reducer.ts",
+  "web/hwlab-cloud-web/src/stores/workbench-realtime-plan.ts",
+  "web/hwlab-cloud-web/src/stores/workbench-session.ts",
+  "web/hwlab-cloud-web/src/stores/workbench-session-messages-read-budget.ts"
+];
+const forbiddenArchitectureIdentifiers = [
+  "directPublish",
+  "liveKafkaSse",
+  "kafkaRefreshReplay",
+  "transactionalProjector",
+  "projectionOutboxRelay",
+  "projectionRealtime",
+  "startLiveHwlabKafkaEventBridge",
+  "handleLiveKafkaWorkbenchRealtimeHttp",
+  "handleKafkaRefreshReplayWorkbenchRealtimeHttp",
+  "subscribeLiveHwlabEvents",
+  "queryHwlabEventRetention",
+  "WorkbenchRealtimeCapabilities",
+  "workbenchRealtimeCapabilities",
+  "workbenchHistoryAuthorityPolicy",
+  "workbenchRealtimeTransportEnabled",
+  "workbenchRealtimeTraceIdForCapabilities",
+  "workbenchProjectionEventStreamPath",
+  "scheduleSessionListRefresh",
+  "invalidateSessionList",
+  "fetchWorkbenchTurnStatus",
+  "refreshTurnStatusByTraceId",
+  "refreshMessageProjectionForTrace",
+  "selectActiveTurnStatusRefreshTraceIds",
+  "sessionDetailAutoReadDecision",
+  "projectionMergeCommitSummary",
+  "forceRead",
+  "sealRestoredActiveTurnMessages",
+  "messageNeedsRestoredTurnSeal",
+  "refreshSessionStatusAuthority",
+  "readTerminalTraceDetailGaps",
+  "workbenchTraceMessagesWindowLimit",
+  "handleWorkbenchSyncHttp",
+  "/v1/workbench/sync"
+];
+const obsoleteArchitectureEnv = [
+  "HWLAB_KAFKA_DIRECT_PUBLISH_ENABLED",
+  "HWLAB_WORKBENCH_LIVE_KAFKA_SSE_ENABLED",
+  "HWLAB_WORKBENCH_KAFKA_REFRESH_REPLAY_ENABLED",
+  "HWLAB_KAFKA_TRANSACTIONAL_PROJECTOR_ENABLED",
+  "HWLAB_KAFKA_PROJECTION_OUTBOX_RELAY_ENABLED",
+  "HWLAB_WORKBENCH_PROJECTION_REALTIME_ENABLED"
+];
+
+test("Workbench production source has one fixed transactional projection architecture", async () => {
+  const violations: string[] = [];
+  for (const relativePath of productionFiles) {
+    const source = await readFile(`${repositoryRoot}/${relativePath}`, "utf8");
+    for (const identifier of forbiddenArchitectureIdentifiers) {
+      if (source.includes(identifier)) violations.push(`${relativePath}: ${identifier}`);
+    }
+  }
+  assert.deepEqual(violations, []);
+});
+
+test("production deploy does not render architecture selection env", async () => {
+  const deploySource = await readFile(`${repositoryRoot}/deploy/deploy.yaml`, "utf8");
+  const violations = obsoleteArchitectureEnv.filter((name) => deploySource.includes(name));
+  assert.deepEqual(violations, []);
+});
+
+test("raw hwlab Kafka fixtures remain isolated to the explicit debug path", async () => {
+  const fixtureSource = await readFile(`${repositoryRoot}/web/hwlab-cloud-web/src/stores/workbench-live-kafka-event.ts`, "utf8");
+  const debugSource = await readFile(`${repositoryRoot}/web/hwlab-cloud-web/src/stores/workbench-isolated-kafka-debug.ts`, "utf8");
+  assert.match(fixtureSource, /historical hwlab\.event\.debug\.v1 fixtures/u);
+  assert.match(fixtureSource, /never imported by the product Workbench SSE path/u);
+  assert.match(debugSource, /workbench-live-kafka-event/u);
+});
diff --git a/web/hwlab-cloud-web/scripts/workbench-realtime-runtime.test.ts b/web/hwlab-cloud-web/scripts/workbench-realtime-runtime.test.ts
index 3de3a4a5..32dbd148 100644
--- a/web/hwlab-cloud-web/scripts/workbench-realtime-runtime.test.ts
+++ b/web/hwlab-cloud-web/scripts/workbench-realtime-runtime.test.ts
@@ -6,9 +6,9 @@ import test from "node:test";
 
 import type { ChatMessage } from "../src/types/index.ts";
 import { workbenchSessionDetailPathForTest, workbenchSessionMessagesPathForTest } from "../src/api/workbench.ts";
-import { workbenchEventStreamPath, workbenchProjectionEventStreamPath } from "../src/api/workbench-events.ts";
+import { workbenchEventStreamPath } from "../src/api/workbench-events.ts";
 import type { WorkbenchStreamTransportRecovery } from "../src/utils/workbench-realtime-runtime.ts";
-import { workbenchRealtimeTraceIdForCapabilities, workbenchRealtimeTransportEnabled } from "../src/utils/workbench-stream-transport.ts";
+import { workbenchRealtimeTraceId } from "../src/utils/workbench-stream-transport.ts";
 import { workbenchRuntimePolicy } from "../src/config/workbench-runtime-policy.ts";
 import { AsyncQueue, work } from "../src/utils/scheduler/async-queue.ts";
 import { createCoalescedEventQueue } from "../src/utils/scheduler/coalesced-event-queue.ts";
@@ -20,13 +20,11 @@ import { checkWorkbenchHealth, createWorkbenchHealthProbeCache } from "../src/ut
 import { messageDiagnosticView } from "../src/utils/workbench-error-runtime.ts";
 import { projectRejectedWorkbenchAdmission } from "../src/stores/workbench-admission-failure.ts";
 import { WORKBENCH_TIMELINE_OPENCODE_PARITY, buildWorkbenchTimelineRows, normalizeWorkbenchTimelineMessages, workbenchTimelineSignature } from "../src/stores/workbench-timeline-model.ts";
-import { reduceWorkbenchRealtimeEvent, workbenchRealtimeEventIsBusinessActivity } from "../src/stores/workbench-event-reducer.ts";
-import { reduceWorkbenchLiveKafkaMessageState, workbenchAgentMessageIdForTrace } from "../src/stores/workbench-live-kafka-event.ts";
+import { reduceWorkbenchRealtimeEvent } from "../src/stores/workbench-event-reducer.ts";
 import { planWorkbenchRealtimeApply, planWorkbenchRealtimeRecovery } from "../src/stores/workbench-realtime-plan.ts";
 import { WORKBENCH_REALTIME_AUTHORITY_VERSION, workbenchRealtimePrimaryAuthorityDecision } from "../src/stores/workbench-realtime-authority.ts";
 import { cleanupWorkbenchServerStateDroppedSessions, cleanupWorkbenchServerStateSessions, createWorkbenchServerState, reduceWorkbenchServerState } from "../src/stores/workbench-server-state.ts";
 import { cleanupDroppedWorkbenchSessionCaches, trimWorkbenchSessionCache } from "../src/stores/workbench-session-cache.ts";
-import { selectActiveTurnStatusRefreshTraceIds } from "../src/stores/workbench-session.ts";
 
 test("Workbench scoped keys encode delimiter characters", () => {
   assert.deepEqual(splitWorkbenchScopedKey(workbenchRealtimeScopeKey("ses|one", "trc/two")), ["workbench.realtime", "ses|one", "trc/two"]);
@@ -41,7 +39,6 @@ test("Workbench runtime policy reads injected config while preserving defaults",
     traceDetailMaxPages: 2,
     workbenchSessionDetailMinRefreshMs: 1234,
     workbenchSessionMessagesWindowLimit: 9,
-    workbenchTraceMessagesWindowLimit: 4,
     workbenchRealtimeErrorSyncReplayMinMs: 0,
     workbenchRealtimeFlushMaxItemsPerChunk: 2,
     workbenchRealtimeFlushMaxChunkMs: 6,
@@ -53,7 +50,6 @@ test("Workbench runtime policy reads injected config while preserving defaults",
   assert.equal(policy.traceDetailMaxPages, 2);
   assert.equal(policy.workbenchSessionDetailMinRefreshMs, 1234);
   assert.equal(policy.workbenchSessionMessagesWindowLimit, 9);
-  assert.equal(policy.workbenchTraceMessagesWindowLimit, 4);
   assert.equal(policy.workbenchRealtimeErrorSyncReplayMinMs, 0);
   assert.equal(policy.workbenchRealtimeFlushMaxItemsPerChunk, 2);
   assert.equal(policy.workbenchRealtimeFlushMaxChunkMs, 6);
@@ -83,24 +79,16 @@ test("Workbench API uses metadata-only session detail and bounded messages paths
   assert.equal(workbenchSessionMessagesPathForTest("ses_metadata", { limit: 9 }), "/v1/workbench/sessions/ses_metadata/messages?limit=9");
 });
 
-test("only the projection authority sends the durable afterSeq cursor", () => {
-  assert.equal(workbenchEventStreamPath({ realtimeCapabilities: { liveKafkaSse: true, kafkaRefreshReplay: false, projectionRealtime: false }, sessionId: "ses_live", traceId: "trc_live", afterSeq: 42 }), "/v1/workbench/events?sessionId=ses_live&traceId=trc_live");
-  assert.equal(workbenchEventStreamPath({ realtimeCapabilities: { liveKafkaSse: false, kafkaRefreshReplay: false, projectionRealtime: true }, sessionId: "ses_projection", traceId: "trc_projection", afterSeq: 42 }), "/v1/workbench/events?sessionId=ses_projection&traceId=trc_projection&afterSeq=42");
-  assert.equal(workbenchEventStreamPath({ realtimeCapabilities: { liveKafkaSse: true, kafkaRefreshReplay: true, projectionRealtime: true }, sessionId: "ses_both", traceId: "trc_both", afterSeq: 42 }), "/v1/workbench/events?sessionId=ses_both&traceId=trc_both&afterSeq=42");
-  assert.equal(workbenchProjectionEventStreamPath({ sessionId: "ses_both", traceId: "trc_both", afterSeq: 42 }), "/v1/workbench/projection-events?sessionId=ses_both&traceId=trc_both&afterSeq=42");
-  assert.equal(workbenchRealtimeTransportEnabled({ liveKafkaSse: false, kafkaRefreshReplay: false, projectionRealtime: false }), false);
-  assert.equal(workbenchRealtimeTransportEnabled({ liveKafkaSse: true, kafkaRefreshReplay: false, projectionRealtime: false }), false);
-  assert.equal(workbenchRealtimeTransportEnabled({ liveKafkaSse: false, kafkaRefreshReplay: false, projectionRealtime: true }), true);
-  assert.equal(workbenchRealtimeTransportEnabled({ liveKafkaSse: true, kafkaRefreshReplay: true, projectionRealtime: true }), true);
+test("the product EventSource always sends the durable outbox cursor", () => {
+  assert.equal(workbenchEventStreamPath({ sessionId: "ses_projection", traceId: "trc_projection", afterSeq: 42 }), "/v1/workbench/events?sessionId=ses_projection&traceId=trc_projection&afterSeq=42");
 });
 
-test("obsolete live flags cannot erase the active projection trace scope", () => {
-  const capabilities = { liveKafkaSse: true, kafkaRefreshReplay: true, projectionRealtime: false };
-  const beforeSubmit = workbenchRealtimeScopeKey("ses_live", workbenchRealtimeTraceIdForCapabilities(capabilities, null, null));
-  const afterSubmit = workbenchRealtimeScopeKey("ses_live", workbenchRealtimeTraceIdForCapabilities(capabilities, "trc_current_request", "trc_message"));
+test("the active projection trace scope follows the current request", () => {
+  const beforeSubmit = workbenchRealtimeScopeKey("ses_projection", workbenchRealtimeTraceId(null, null));
+  const afterSubmit = workbenchRealtimeScopeKey("ses_projection", workbenchRealtimeTraceId("trc_current_request", "trc_message"));
   assert.notEqual(afterSubmit, beforeSubmit);
-  assert.equal(afterSubmit, workbenchRealtimeScopeKey("ses_live", "trc_current_request"));
-  assert.equal(workbenchRealtimeTraceIdForCapabilities({ liveKafkaSse: false, kafkaRefreshReplay: false, projectionRealtime: true }, "trc_current_request", "trc_message"), "trc_current_request");
+  assert.equal(afterSubmit, workbenchRealtimeScopeKey("ses_projection", "trc_current_request"));
+  assert.equal(workbenchRealtimeTraceId(null, "trc_message"), "trc_message");
 });
 
 test("Error runtime owns Workbench message diagnostic view model", () => {
@@ -480,42 +468,6 @@ test("server-state cleanup removes dropped session trace and turn authority", ()
   assert.deepEqual(Object.keys(cleanedById.traceById), []);
 });
 
-test("passive message projection selects active turn status refresh without local request", () => {
-  const traceIds = selectActiveTurnStatusRefreshTraceIds({
-    messages: [
-      agentMessage({ id: "m_old", traceId: "trc_old", status: "completed", text: "done" }),
-      agentMessage({ id: "m_new", traceId: "trc_new", status: "running", text: "thinking" })
-    ],
-    currentRequestTraceId: null,
-    turnStatusAuthority: {}
-  });
-
-  assert.deepEqual(traceIds, ["trc_new"]);
-});
-
-test("passive message projection skips sealed terminal turn status refresh", () => {
-  const traceIds = selectActiveTurnStatusRefreshTraceIds({
-    messages: [agentMessage({ id: "m_done", traceId: "trc_done", status: "completed", text: "done" })],
-    turnStatusAuthority: { trc_done: { traceId: "trc_done", status: "completed", running: false, terminal: true, sessionId: "ses_1" } }
-  });
-
-  assert.deepEqual(traceIds, []);
-});
-
-test("turn status refresh keeps local request trace priority", () => {
-  const traceIds = selectActiveTurnStatusRefreshTraceIds({
-    messages: [
-      agentMessage({ id: "m_request", traceId: "trc_request", status: "pending", text: "" }),
-      agentMessage({ id: "m_observed", traceId: "trc_observed", status: "running", text: "thinking" })
-    ],
-    currentRequestTraceId: "trc_request",
-    turnStatusAuthority: {},
-    limit: 2
-  });
-
-  assert.deepEqual(traceIds, ["trc_request", "trc_observed"]);
-});
-
 test("realtime event reducer classifies SSE payloads before store side effects", () => {
   const trace = reduceWorkbenchRealtimeEvent(realtimeEvent({ type: "trace.event", traceId: "trc_1", event: { traceId: "trc_1", label: "delta" }, snapshot: { traceId: "trc_1", status: "running" }, entity: { family: "traceEvents", id: "trc_1:1", version: 1, projectionRevision: "prj_1" } }), "workbench.trace.event");
   assert.equal(trace.activityLabel, "realtime:trace.event");
@@ -533,53 +485,6 @@ test("realtime event reducer classifies SSE payloads before store side effects",
   assert.equal(error.diagnostic.traceId, "trc_2");
 });
 
-test("live transport connected and heartbeat frames do not extend business activity timeouts", () => {
-  assert.equal(workbenchRealtimeEventIsBusinessActivity({ type: "connected" }, "workbench.connected", true), false);
-  assert.equal(workbenchRealtimeEventIsBusinessActivity({ type: "heartbeat" }, "workbench.heartbeat", true), false);
-  assert.equal(workbenchRealtimeEventIsBusinessActivity({ schema: "hwlab.event.v1", event: { type: "assistant" } }, "hwlab.event.v1", true), true);
-  assert.equal(workbenchRealtimeEventIsBusinessActivity({ type: "trace.event" }, "workbench.trace.event", false), true);
-});
-
-test("live hwlab envelope projects assistant, tool/output, and terminal without replay or finalizer", () => {
-  const envelope = (event: Record<string, unknown>) => ({
-    schema: "hwlab.event.v1",
-    eventType: "hwlab.trace.event.projected",
-    eventId: `hwlab:${String(event.sourceEventId ?? event.type)}`,
-    hwlabSessionId: "ses_live_web",
-    sessionId: "ses_live_web",
-    traceId: "trc_live_web",
-    runId: "run_live_web",
-    commandId: "cmd_live_web",
-    context: { runId: "run_live_web", commandId: "cmd_live_web", valuesRedacted: true },
-    event
-  });
-  const assistantEnvelope = envelope({ type: "assistant", eventType: "assistant", sourceEventId: "evt_assistant", traceId: "trc_live_web", sessionId: "ses_live_web", status: "running", assistantText: "running increment", terminal: false });
-  const assistant = reduceWorkbenchRealtimeEvent(assistantEnvelope, "hwlab.event.v1");
-  assert.equal(assistant.action.type, "trace.event");
-  let visible = reduceWorkbenchLiveKafkaMessageState({ text: "", status: "running", terminal: false }, assistantEnvelope.event);
-  assert.deepEqual(visible, { text: "running increment", status: "running", terminal: false });
-
-  const toolEnvelope = envelope({ type: "tool", eventType: "tool", sourceEventId: "evt_tool", traceId: "trc_live_web", sessionId: "ses_live_web", status: "completed", toolName: "commandExecution", outputSummary: "ok", terminal: false });
-  assert.equal(reduceWorkbenchRealtimeEvent(toolEnvelope, "hwlab.event.v1").action.type, "trace.event");
-  visible = reduceWorkbenchLiveKafkaMessageState(visible, toolEnvelope.event);
-  assert.deepEqual(visible, { text: "running increment", status: "running", terminal: false });
-
-  const outputEnvelope = envelope({ type: "output", eventType: "status", sourceEventId: "evt_output", traceId: "trc_live_web", sessionId: "ses_live_web", status: "running", message: "stdout increment", terminal: false });
-  visible = reduceWorkbenchLiveKafkaMessageState(visible, outputEnvelope.event);
-  assert.deepEqual(visible, { text: "running increment", status: "running", terminal: false });
-
-  const terminalEnvelope = envelope({ type: "result", eventType: "terminal", sourceEventId: "evt_terminal", traceId: "trc_live_web", sessionId: "ses_live_web", status: "completed", terminal: true });
-  visible = reduceWorkbenchLiveKafkaMessageState(visible, terminalEnvelope.event);
-  assert.deepEqual(visible, { text: "running increment", status: "completed", terminal: true });
-  assert.equal(workbenchAgentMessageIdForTrace("trc_live_web"), "msg_live_web_agent");
-
-  const failed = reduceWorkbenchLiveKafkaMessageState(
-    { text: "partial response", status: "running", terminal: false },
-    { type: "result", eventType: "terminal", status: "failed", message: "provider stream disconnected", terminal: true }
-  );
-  assert.deepEqual(failed, { text: "provider stream disconnected", status: "failed", terminal: true });
-});
-
 test("realtime apply planner turns reducer actions into store steps", () => {
   const reduced = reduceWorkbenchRealtimeEvent(realtimeEvent({ type: "trace.event", traceId: "trc_1", event: { traceId: "trc_1", label: "delta" }, snapshot: { traceId: "trc_1", status: "running" }, entity: { family: "traceEvents", id: "trc_1:1", version: 1, projectionRevision: "prj_1" } }), "workbench.trace.event");
   const tracePlan = planWorkbenchRealtimeApply(reduced.action);
diff --git a/web/hwlab-cloud-web/scripts/workbench-server-state.test.ts b/web/hwlab-cloud-web/scripts/workbench-server-state.test.ts
index 21ee66a2..285b99d7 100644
--- a/web/hwlab-cloud-web/scripts/workbench-server-state.test.ts
+++ b/web/hwlab-cloud-web/scripts/workbench-server-state.test.ts
@@ -270,7 +270,7 @@ test("Workbench sealed completed final body survives stale running session messa
   assert.equal(selectActiveSession(state, "ses_final_seal")?.status, "completed");
 });
 
-test("Workbench session messages repair terminal zero timing from running projection", () => {
+test("Workbench session messages preserve canonical terminal zero timing", () => {
   let state = createWorkbenchServerState();
   state = reduceWorkbenchServerState(state, {
     type: "session.messages",
@@ -288,8 +288,8 @@ test("Workbench session messages repair terminal zero timing from running projec
 
   const agent = selectActiveMessages(state, "ses_terminal_zero_repair").find((message) => message.role === "agent");
   assert.equal(agent?.status, "completed");
-  assert.equal(agent?.durationMs, 6_000);
-  assert.equal(agent?.timing?.durationMs, 6_000);
+  assert.equal(agent?.durationMs, 0);
+  assert.equal(agent?.timing?.durationMs, 0);
 });
 
 test("Workbench session messages can replace sealed terminal zero with positive timing", () => {
diff --git a/web/hwlab-cloud-web/src/api/workbench-events.test.ts b/web/hwlab-cloud-web/src/api/workbench-events.test.ts
index de21fcd2..dc773e52 100644
--- a/web/hwlab-cloud-web/src/api/workbench-events.test.ts
+++ b/web/hwlab-cloud-web/src/api/workbench-events.test.ts
@@ -2,7 +2,6 @@ import assert from "node:assert/strict";
 import { test } from "bun:test";
 
 import { connectWorkbenchEvents, realtimeCoalesceKey, workbenchEventStreamPath, type WorkbenchRealtimeEvent, type WorkbenchSseIngressFrame } from "./workbench-events";
-import { createCoalescedEventQueue } from "../utils/scheduler/coalesced-event-queue";
 
 test("turn snapshot coalescing keys by trace instead of per sequence", () => {
   const first: WorkbenchRealtimeEvent = { type: "turn.snapshot", turn: { sessionId: "ses_queue", traceId: "trc_queue", status: "running" }, cursor: { traceSeq: 10 } };
@@ -21,7 +20,6 @@ test("trace events keep sequence-specific coalescing keys", () => {
 test("product EventSource resumes the transactional projection authority with one durable outbox cursor", () => {
   assert.equal(
     workbenchEventStreamPath({
-      realtimeCapabilities: { liveKafkaSse: true, kafkaRefreshReplay: false, projectionRealtime: true },
       sessionId: "ses_projection_authority",
       traceId: "trc_projection_authority",
       afterSeq: 42
@@ -30,29 +28,7 @@ test("product EventSource resumes the transactional projection authority with on
   );
 });
 
-test("live Kafka envelopes from one trace retain every assistant, tool, output, and terminal event", () => {
-  const delivered: WorkbenchRealtimeEvent[] = [];
-  const queue = createCoalescedEventQueue<WorkbenchRealtimeEvent>({
-    keyOf: (event) => realtimeCoalesceKey(event, "hwlab.event.v1"),
-    onFlush: (events) => delivered.push(...events)
-  });
-  for (const sourceEventId of ["evt_assistant", "evt_tool", "evt_output", "evt_terminal"]) {
-    queue.push({
-      schema: "hwlab.event.v1",
-      eventId: `hwlab:${sourceEventId}`,
-      sourceEventId,
-      sessionId: "ses_live_queue",
-      traceId: "trc_live_queue",
-      event: { sourceEventId, traceId: "trc_live_queue", sessionId: "ses_live_queue" }
-    });
-  }
-
-  queue.flush();
-
-  assert.deepEqual(delivered.map((event) => event.sourceEventId), ["evt_assistant", "evt_tool", "evt_output", "evt_terminal"]);
-});
-
-test("product EventSource tees every raw HWLAB frame once before decode and reducer delivery", async () => {
+test("product EventSource tees projection frames once before reducer delivery", async () => {
   const originalEventSource = globalThis.EventSource;
   const ingress: WorkbenchSseIngressFrame[] = [];
   const delivered: WorkbenchRealtimeEvent[] = [];
@@ -60,7 +36,6 @@ test("product EventSource tees every raw HWLAB frame once before decode and redu
   globalThis.EventSource = FakeProductEventSource as unknown as typeof EventSource;
   try {
     const stream = connectWorkbenchEvents({
-      realtimeCapabilities: { liveKafkaSse: true, kafkaRefreshReplay: true, projectionRealtime: false },
       sessionId: "ses_raw_tee",
       flushYieldMs: 1,
       onIngress: (frame) => ingress.push(frame),
@@ -69,17 +44,17 @@ test("product EventSource tees every raw HWLAB frame once before decode and redu
     assert.ok(stream);
     const source = FakeProductEventSource.instances[0];
     assert.ok(source);
-    source.emitRaw("hwlab.event.v1", '{"schema":"hwlab.event.v1","eventId":"evt_raw_tee"}');
-    source.emitRaw("hwlab.event.v1", "{invalid-json");
+    source.emitRaw("workbench.trace.event", '{"type":"trace.event","traceId":"trc_raw_tee","event":{"traceId":"trc_raw_tee","projectedSeq":1}}');
+    source.emitRaw("workbench.trace.event", "{invalid-json");
     await new Promise((resolve) => setTimeout(resolve, 10));
 
     assert.equal(FakeProductEventSource.instances.length, 1);
     assert.deepEqual(ingress.map((frame) => [frame.eventName, frame.decodeStatus]), [
-      ["hwlab.event.v1", "accepted"],
-      ["hwlab.event.v1", "invalid-json"]
+      ["workbench.trace.event", "accepted"],
+      ["workbench.trace.event", "invalid-json"]
     ]);
     assert.equal(delivered.length, 1);
-    assert.equal(delivered[0]?.eventId, "evt_raw_tee");
+    assert.equal(delivered[0]?.traceId, "trc_raw_tee");
     stream.close();
   } finally {
     globalThis.EventSource = originalEventSource;
diff --git a/web/hwlab-cloud-web/src/api/workbench-events.ts b/web/hwlab-cloud-web/src/api/workbench-events.ts
index 38700e39..f86142a1 100644
--- a/web/hwlab-cloud-web/src/api/workbench-events.ts
+++ b/web/hwlab-cloud-web/src/api/workbench-events.ts
@@ -6,7 +6,6 @@ import type { ApiResult, ChatMessage, ProjectionDiagnostic, TraceEvent } from "@
 import { createCoalescedEventQueue } from "@/utils/scheduler/coalesced-event-queue";
 import { composeWorkbenchScopedKey, firstScopePart } from "@/utils/workbench-key";
 import { recordWorkbenchRuntimeDiagnostic, recordWorkbenchSseLifecycle } from "@/utils/workbench-performance";
-import type { WorkbenchRealtimeCapabilities } from "@/config/runtime";
 import { decodeWorkbenchRealtimeEventFrame } from "./workbench-realtime-codec";
 
 export interface WorkbenchRealtimeTraceSnapshot {
@@ -29,11 +28,6 @@ export interface WorkbenchRealtimeEvent {
   eventType?: string | null;
   eventId?: string | null;
   sourceEventId?: string | null;
-  capabilities?: WorkbenchRealtimeCapabilities | null;
-  liveOnly?: boolean | null;
-  replay?: boolean | null;
-  deliverySemantics?: string | null;
-  lossPossible?: boolean | null;
   type?: string;
   contractVersion?: string | null;
   realtimeAuthority?: string | null;
@@ -76,7 +70,6 @@ export interface WorkbenchRealtimeEvent {
 }
 
 export interface WorkbenchEventStreamOptions {
-  realtimeCapabilities: WorkbenchRealtimeCapabilities;
   sessionId?: string | null;
   traceId?: string | null;
   afterSeq?: number | null;
@@ -105,7 +98,6 @@ interface QueuedRealtimeEvent {
 }
 
 const WORKBENCH_EVENT_NAMES = [
-  "hwlab.event.v1",
   "workbench.connected",
   "workbench.trace.snapshot",
   "workbench.trace.event",
@@ -183,20 +175,12 @@ export function connectWorkbenchEvents(options: WorkbenchEventStreamOptions): Wo
   };
 }
 
-export function workbenchEventStreamPath(options: Pick<WorkbenchEventStreamOptions, "realtimeCapabilities" | "sessionId" | "traceId" | "afterSeq">): string {
-  const params = new URLSearchParams();
-  appendParam(params, "sessionId", options.sessionId);
-  appendParam(params, "traceId", options.traceId);
-  if (options.realtimeCapabilities.projectionRealtime) appendNumberParam(params, "afterSeq", options.afterSeq);
-  return `/v1/workbench/events?${params.toString()}`;
-}
-
-export function workbenchProjectionEventStreamPath(options: Pick<WorkbenchEventStreamOptions, "sessionId" | "traceId" | "afterSeq">): string {
+export function workbenchEventStreamPath(options: Pick<WorkbenchEventStreamOptions, "sessionId" | "traceId" | "afterSeq">): string {
   const params = new URLSearchParams();
   appendParam(params, "sessionId", options.sessionId);
   appendParam(params, "traceId", options.traceId);
   appendNumberParam(params, "afterSeq", options.afterSeq);
-  return `/v1/workbench/projection-events?${params.toString()}`;
+  return `/v1/workbench/events?${params.toString()}`;
 }
 
 function appendParam(params: URLSearchParams, key: string, value: string | null | undefined): void {
@@ -228,10 +212,6 @@ function scheduleRealtimeFlushYield(flush: () => void, yieldMs: number | null |
 }
 
 export function realtimeCoalesceKey(event: WorkbenchRealtimeEvent, eventName: string): string | null {
-  if (eventName === "hwlab.event.v1" || event.schema === "hwlab.event.v1") {
-    const eventId = firstScopePart(event.eventId, event.sourceEventId, event.event?.sourceEventId);
-    return eventId ? composeWorkbenchScopedKey("workbench.sse.live-kafka-event", eventId) : null;
-  }
   const entity = event.entity;
   const entityFamily = firstScopePart(entity?.family);
   const entityId = firstScopePart(entity?.id);
diff --git a/web/hwlab-cloud-web/src/api/workbench.ts b/web/hwlab-cloud-web/src/api/workbench.ts
index e19e14ca..7f351581 100644
--- a/web/hwlab-cloud-web/src/api/workbench.ts
+++ b/web/hwlab-cloud-web/src/api/workbench.ts
@@ -129,7 +129,6 @@ export const workbenchAPI = {
     return fetchJson(sessionDetailPath(sessionId, detailOptions), { timeoutMs: requestTimeoutMs(detailOptions.timeoutMs, SESSION_DETAIL_TIMEOUT_MS), timeoutName: "workbench session" });
   },
   sessionMessages: (sessionId: string, options: SessionMessageOptions = {}): Promise<ApiResult<WorkbenchMessagePageResponse>> => fetchJson(sessionMessagesPath(sessionId, options), { timeoutMs: requestTimeoutMs(options.timeoutMs, SESSION_DETAIL_TIMEOUT_MS), timeoutName: "workbench session messages" }),
-  turn: async (traceId: string, timeoutMs = 8000, activityRef?: ApiRequestOptions["activityRef"]): Promise<ApiResult<AgentChatResultResponse>> => normalizeWorkbenchTurnResult(await fetchJson<Record<string, unknown>>(`/v1/workbench/turns/${encodeURIComponent(traceId)}`, { timeoutMs, timeoutName: "workbench turn", activityRef }), traceId),
   traceEvents: async (traceId: string, timeoutMs = 8000, activityRef?: ApiRequestOptions["activityRef"], options?: WorkbenchTraceRequestOptions): Promise<ApiResult<AgentChatResultResponse>> => normalizeWorkbenchTraceResult(await fetchJson<Record<string, unknown>>(workbenchTracePath(traceId, options), { timeoutMs, timeoutName: "workbench trace", activityRef }), traceId)
 };
 
@@ -186,42 +185,6 @@ function workbenchTracePath(traceId: string, options: WorkbenchTraceRequestOptio
   return `/v1/workbench/traces/${encodeURIComponent(traceId)}/events${query ? `?${query}` : ""}`;
 }
 
-function normalizeWorkbenchTurnResult(result: ApiResult<Record<string, unknown>>, traceId: string): ApiResult<AgentChatResultResponse> {
-  if (!result.ok || !result.data) return result as ApiResult<AgentChatResultResponse>;
-  const turn = recordValue(result.data.turn) ?? result.data;
-  const trace = recordValue(turn.trace);
-  const status = normalizeStatus(textValue(turn.status)) ?? "unknown";
-  const projection = normalizeProjectionDiagnostic(result.data.projection, turn.projection, result.data);
-  const timing = normalizeTimingProjection(turn);
-  return {
-    ...result,
-    data: {
-      ...turn,
-      projection,
-      timing,
-      startedAt: timing?.startedAt ?? undefined,
-      lastEventAt: timing?.lastEventAt ?? undefined,
-      finishedAt: timing?.finishedAt ?? undefined,
-      durationMs: timing?.durationMs ?? undefined,
-      projectionStatus: projection?.projectionStatus ?? textValue(result.data.projectionStatus) ?? undefined,
-      projectionHealth: projection?.projectionHealth ?? textValue(result.data.projectionHealth) ?? undefined,
-      lastProjectedSeq: Number.isFinite(Number(result.data.lastProjectedSeq)) ? Number(result.data.lastProjectedSeq) : undefined,
-      sourceRunId: projection?.sourceRunId ?? textValue(result.data.sourceRunId) ?? undefined,
-      sourceCommandId: projection?.sourceCommandId ?? textValue(result.data.sourceCommandId) ?? undefined,
-      staleMs: projection?.staleMs ?? numberValue(result.data.staleMs) ?? undefined,
-      blocker: projection?.blocker ?? recordValue(result.data.blocker) ?? undefined,
-      traceId: textValue(turn.traceId) ?? traceId,
-      status,
-      running: typeof turn.running === "boolean" ? turn.running : undefined,
-      terminal: typeof turn.terminal === "boolean" ? turn.terminal : undefined,
-      sessionId: textValue(turn.sessionId) ?? undefined,
-      threadId: textValue(turn.threadId) ?? undefined,
-      agentRun: recordValue(turn.agentRun) ?? undefined,
-      updatedAt: textValue(turn.updatedAt) ?? textValue(result.data.observedAt) ?? undefined
-    } as AgentChatResultResponse
-  };
-}
-
 function normalizeWorkbenchTraceResult(result: ApiResult<Record<string, unknown>>, traceId: string): ApiResult<AgentChatResultResponse> {
   if (!result.ok || !result.data) return result as ApiResult<AgentChatResultResponse>;
   const events = Array.isArray(result.data.events) ? result.data.events : [];
@@ -308,13 +271,6 @@ function normalizeTimingProjection(value: unknown): WorkbenchTurnTimingProjectio
   } as WorkbenchTurnTimingProjection;
 }
 
-function normalizeStatus(value: unknown): string | null {
-  const text = textValue(value);
-  if (!text) return null;
-  const normalized = text.toLowerCase().replace(/_/gu, "-");
-  return normalized === "cancelled" ? "canceled" : normalized;
-}
-
 function recordValue(value: unknown): Record<string, unknown> | null {
   return value && typeof value === "object" ? value as Record<string, unknown> : null;
 }
diff --git a/web/hwlab-cloud-web/src/config/runtime.ts b/web/hwlab-cloud-web/src/config/runtime.ts
index 5936ba7a..a5be0cec 100644
--- a/web/hwlab-cloud-web/src/config/runtime.ts
+++ b/web/hwlab-cloud-web/src/config/runtime.ts
@@ -10,12 +10,6 @@ export interface OpenCodeFrameConfig {
   url: string;
 }
 
-export interface WorkbenchRealtimeCapabilities {
-  liveKafkaSse: boolean;
-  kafkaRefreshReplay: boolean;
-  projectionRealtime: boolean;
-}
-
 export interface WorkbenchDebugCapabilities {
   isolatedKafka: boolean;
   rawHwlabEventWindow: WorkbenchRawHwlabEventWindowCapability;
@@ -97,14 +91,6 @@ export function workbenchTraceTimelinePolicy(): WorkbenchTraceTimelinePolicy {
   };
 }
 
-export function workbenchRealtimeCapabilities(): WorkbenchRealtimeCapabilities {
-  const features = window.HWLAB_CLOUD_WEB_CONFIG?.workbench?.realtimeFeatures;
-  if (typeof features?.liveKafkaSse !== "boolean" || typeof features?.kafkaRefreshReplay !== "boolean" || typeof features?.projectionRealtime !== "boolean") {
-    throw new Error("HWLAB Cloud Web workbench.realtimeFeatures are required");
-  }
-  return { liveKafkaSse: features.liveKafkaSse, kafkaRefreshReplay: features.kafkaRefreshReplay, projectionRealtime: features.projectionRealtime };
-}
-
 export function workbenchDebugCapabilities(): WorkbenchDebugCapabilities {
   const features = window.HWLAB_CLOUD_WEB_CONFIG?.workbench?.debugCapabilities;
   const rawWindow = features?.rawHwlabEventWindow;
diff --git a/web/hwlab-cloud-web/src/config/workbench-runtime-policy.ts b/web/hwlab-cloud-web/src/config/workbench-runtime-policy.ts
index ac94a12c..b9eaf661 100644
--- a/web/hwlab-cloud-web/src/config/workbench-runtime-policy.ts
+++ b/web/hwlab-cloud-web/src/config/workbench-runtime-policy.ts
@@ -14,16 +14,12 @@ export interface WorkbenchRuntimePolicy {
   sessionListPageLimit: number;
   workbenchDetailReadConcurrency: number;
   workbenchReadFailureCooldownMs: number;
-  workbenchTurnStatusMinRefreshMs: number;
   workbenchTraceEventsMinRefreshMs: number;
   workbenchSessionDetailMinRefreshMs: number;
   workbenchSessionMessagesMinRefreshMs: number;
   workbenchSessionMessagesWindowLimit: number;
-  workbenchTraceMessagesWindowLimit: number;
   workbenchRealtimeSessionMessagesMinRefreshMs: number;
   workbenchTraceEventsTimeoutMs: number;
-  sessionListRealtimeRefreshDelayMs: number;
-  sessionListTerminalRefreshDelayMs: number;
   sessionListMinRefreshIntervalMs: number;
   workbenchRealtimeErrorSyncReplayMinMs: number;
   workbenchRealtimeFlushMaxItemsPerChunk: number;
@@ -44,16 +40,12 @@ const DEFAULT_WORKBENCH_RUNTIME_POLICY: WorkbenchRuntimePolicy = Object.freeze({
   sessionListPageLimit: 20,
   workbenchDetailReadConcurrency: 3,
   workbenchReadFailureCooldownMs: 5_000,
-  workbenchTurnStatusMinRefreshMs: 2_000,
   workbenchTraceEventsMinRefreshMs: 4_000,
   workbenchSessionDetailMinRefreshMs: 5_000,
   workbenchSessionMessagesMinRefreshMs: 5_000,
   workbenchSessionMessagesWindowLimit: 20,
-  workbenchTraceMessagesWindowLimit: 8,
   workbenchRealtimeSessionMessagesMinRefreshMs: 1_000,
   workbenchTraceEventsTimeoutMs: 5_000,
-  sessionListRealtimeRefreshDelayMs: 5_000,
-  sessionListTerminalRefreshDelayMs: 1_500,
   sessionListMinRefreshIntervalMs: 15_000,
   workbenchRealtimeErrorSyncReplayMinMs: 2_000,
   workbenchRealtimeFlushMaxItemsPerChunk: 4,
@@ -76,16 +68,12 @@ export function workbenchRuntimePolicy(input: unknown = runtimePolicyConfig()):
     sessionListPageLimit: positiveInteger(source.sessionListPageLimit, DEFAULT_WORKBENCH_RUNTIME_POLICY.sessionListPageLimit),
     workbenchDetailReadConcurrency: positiveInteger(source.workbenchDetailReadConcurrency ?? source.workbenchReadHydrationConcurrency, DEFAULT_WORKBENCH_RUNTIME_POLICY.workbenchDetailReadConcurrency),
     workbenchReadFailureCooldownMs: positiveNumber(source.workbenchReadFailureCooldownMs, DEFAULT_WORKBENCH_RUNTIME_POLICY.workbenchReadFailureCooldownMs),
-    workbenchTurnStatusMinRefreshMs: nonNegativeNumber(source.workbenchTurnStatusMinRefreshMs, DEFAULT_WORKBENCH_RUNTIME_POLICY.workbenchTurnStatusMinRefreshMs),
     workbenchTraceEventsMinRefreshMs: nonNegativeNumber(source.workbenchTraceEventsMinRefreshMs, DEFAULT_WORKBENCH_RUNTIME_POLICY.workbenchTraceEventsMinRefreshMs),
     workbenchSessionDetailMinRefreshMs: nonNegativeNumber(source.workbenchSessionDetailMinRefreshMs, DEFAULT_WORKBENCH_RUNTIME_POLICY.workbenchSessionDetailMinRefreshMs),
     workbenchSessionMessagesMinRefreshMs: nonNegativeNumber(source.workbenchSessionMessagesMinRefreshMs, DEFAULT_WORKBENCH_RUNTIME_POLICY.workbenchSessionMessagesMinRefreshMs),
     workbenchSessionMessagesWindowLimit: positiveInteger(source.workbenchSessionMessagesWindowLimit, DEFAULT_WORKBENCH_RUNTIME_POLICY.workbenchSessionMessagesWindowLimit),
-    workbenchTraceMessagesWindowLimit: positiveInteger(source.workbenchTraceMessagesWindowLimit, DEFAULT_WORKBENCH_RUNTIME_POLICY.workbenchTraceMessagesWindowLimit),
     workbenchRealtimeSessionMessagesMinRefreshMs: nonNegativeNumber(source.workbenchRealtimeSessionMessagesMinRefreshMs, DEFAULT_WORKBENCH_RUNTIME_POLICY.workbenchRealtimeSessionMessagesMinRefreshMs),
     workbenchTraceEventsTimeoutMs: positiveNumber(source.workbenchTraceEventsTimeoutMs, DEFAULT_WORKBENCH_RUNTIME_POLICY.workbenchTraceEventsTimeoutMs),
-    sessionListRealtimeRefreshDelayMs: nonNegativeNumber(source.sessionListRealtimeRefreshDelayMs, DEFAULT_WORKBENCH_RUNTIME_POLICY.sessionListRealtimeRefreshDelayMs),
-    sessionListTerminalRefreshDelayMs: nonNegativeNumber(source.sessionListTerminalRefreshDelayMs, DEFAULT_WORKBENCH_RUNTIME_POLICY.sessionListTerminalRefreshDelayMs),
     sessionListMinRefreshIntervalMs: nonNegativeNumber(source.sessionListMinRefreshIntervalMs, DEFAULT_WORKBENCH_RUNTIME_POLICY.sessionListMinRefreshIntervalMs),
     workbenchRealtimeErrorSyncReplayMinMs: nonNegativeNumber(source.workbenchRealtimeErrorSyncReplayMinMs ?? source.workbenchRealtimeErrorGapFillMinMs, DEFAULT_WORKBENCH_RUNTIME_POLICY.workbenchRealtimeErrorSyncReplayMinMs),
     workbenchRealtimeFlushMaxItemsPerChunk: positiveInteger(source.workbenchRealtimeFlushMaxItemsPerChunk, DEFAULT_WORKBENCH_RUNTIME_POLICY.workbenchRealtimeFlushMaxItemsPerChunk),
diff --git a/web/hwlab-cloud-web/src/stores/workbench-colada-keys.ts b/web/hwlab-cloud-web/src/stores/workbench-colada-keys.ts
index 7767983f..2714e3a3 100644
--- a/web/hwlab-cloud-web/src/stores/workbench-colada-keys.ts
+++ b/web/hwlab-cloud-web/src/stores/workbench-colada-keys.ts
@@ -31,8 +31,6 @@ export const workbenchColadaKeys = {
   historySessionMessagesRoot: (): EntryKey => ["workbench", "history", "session-messages"],
   historySessionMessages: (sessionId: string, input: WorkbenchSessionMessagesKeyInput = {}): EntryKey => ["workbench", "history", "session-messages", sessionId, normalizeKeyObject({ cursor: input.cursor ?? null, limit: finiteNumber(input.limit) })],
   detailRoot: (): EntryKey => ["workbench", "detail"],
-  detailTurnRoot: (): EntryKey => ["workbench", "detail", "turn"],
-  detailTurn: (traceId: string): EntryKey => ["workbench", "detail", "turn", traceId],
   detailTraceEventsRoot: (): EntryKey => ["workbench", "detail", "trace-events"],
   detailTraceEvents: (traceId: string, input: WorkbenchTraceEventsKeyInput = {}): EntryKey => ["workbench", "detail", "trace-events", traceId, normalizeKeyObject({ afterProjectedSeq: finiteNumber(input.afterProjectedSeq), limit: finiteNumber(input.limit) })],
   sessionsRoot: (): EntryKey => workbenchColadaKeys.snapshotSessionsRoot(),
@@ -41,8 +39,6 @@ export const workbenchColadaKeys = {
   session: (sessionId: string): EntryKey => workbenchColadaKeys.snapshotSession(sessionId),
   sessionMessagesRoot: (): EntryKey => workbenchColadaKeys.historySessionMessagesRoot(),
   sessionMessages: (sessionId: string, input: WorkbenchSessionMessagesKeyInput = {}): EntryKey => workbenchColadaKeys.historySessionMessages(sessionId, input),
-  turnRoot: (): EntryKey => workbenchColadaKeys.detailTurnRoot(),
-  turn: (traceId: string): EntryKey => workbenchColadaKeys.detailTurn(traceId),
   traceEventsRoot: (): EntryKey => workbenchColadaKeys.detailTraceEventsRoot(),
   traceEvents: (traceId: string, input: WorkbenchTraceEventsKeyInput = {}): EntryKey => workbenchColadaKeys.detailTraceEvents(traceId, input),
   providerProfiles: (): EntryKey => ["workbench", "provider-profiles"],
diff --git a/web/hwlab-cloud-web/src/stores/workbench-colada-queries.ts b/web/hwlab-cloud-web/src/stores/workbench-colada-queries.ts
index 5b992c37..97844916 100644
--- a/web/hwlab-cloud-web/src/stores/workbench-colada-queries.ts
+++ b/web/hwlab-cloud-web/src/stores/workbench-colada-queries.ts
@@ -3,7 +3,6 @@
 
 import { useQueryCache, type EntryKey, type QueryCache } from "@pinia/colada";
 import { api } from "@/api";
-import type { ApiRequestOptions } from "@/api/client";
 import type { AgentChatResultResponse, ApiResult } from "@/types";
 import type { SessionListOptions, SessionMessageOptions, WorkbenchMessagePageResponse, WorkbenchSessionDetailResponse, WorkbenchSessionListResponse, WorkbenchTraceRequestOptions } from "@/api/workbench";
 import { workbenchColadaKeys } from "./workbench-colada-keys";
@@ -13,14 +12,9 @@ interface QueryRunOptions {
   minIntervalMs?: number | null;
 }
 
-export interface WorkbenchTurnQueryOptions extends QueryRunOptions {
-  timeoutMs?: number;
-  activityRef?: ApiRequestOptions["activityRef"];
-}
-
 export interface WorkbenchTraceEventsQueryOptions extends QueryRunOptions, WorkbenchTraceRequestOptions {
   timeoutMs?: number;
-  activityRef?: ApiRequestOptions["activityRef"];
+  activityRef?: import("@/api/client").ApiRequestOptions["activityRef"];
 }
 
 export interface WorkbenchSessionDetailQueryOptions extends QueryRunOptions {
@@ -33,13 +27,10 @@ export interface WorkbenchColadaQueries {
   fetchSessions: (options?: SessionListOptions & QueryRunOptions) => Promise<ApiResult<WorkbenchSessionListResponse>>;
   fetchSession: (sessionId: string, options?: WorkbenchSessionDetailQueryOptions) => Promise<ApiResult<WorkbenchSessionDetailResponse>>;
   fetchSessionMessages: (sessionId: string, options?: SessionMessageOptions & QueryRunOptions) => Promise<ApiResult<WorkbenchMessagePageResponse>>;
-  fetchTurn: (traceId: string, options?: WorkbenchTurnQueryOptions) => Promise<ApiResult<AgentChatResultResponse>>;
   fetchTraceEvents: (traceId: string, options?: WorkbenchTraceEventsQueryOptions) => Promise<ApiResult<AgentChatResultResponse>>;
   fetchProviderProfiles: (options?: QueryRunOptions) => Promise<ApiResult<unknown>>;
-  invalidateSessionList: () => Promise<unknown>;
   invalidateSession: (sessionId: string | null | undefined) => Promise<unknown>;
   invalidateSessionMessages: (sessionId: string | null | undefined) => Promise<unknown>;
-  invalidateTurn: (traceId: string | null | undefined) => Promise<unknown>;
   invalidateTraceEvents: (traceId: string | null | undefined) => Promise<unknown>;
   invalidateTraceScope: (input: { sessionId?: string | null; traceId?: string | null }) => Promise<unknown[]>;
 }
@@ -52,13 +43,10 @@ export function useWorkbenchColadaQueries(): WorkbenchColadaQueries {
     fetchSessions: (options = {}) => runWorkbenchQuery(queryCache, workbenchColadaKeys.sessions(options), () => api.workbench.sessions(options), options),
     fetchSession: (sessionId, options = {}) => runWorkbenchQuery(queryCache, workbenchColadaKeys.session(sessionId), () => api.workbench.session(sessionId, { timeoutMs: options.timeoutMs ?? null, includeMessages: false }), options),
     fetchSessionMessages: (sessionId, options = {}) => runWorkbenchQuery(queryCache, workbenchColadaKeys.sessionMessages(sessionId, options), () => api.workbench.sessionMessages(sessionId, options), options),
-    fetchTurn: (traceId, options = {}) => runWorkbenchQuery(queryCache, workbenchColadaKeys.turn(traceId), () => api.workbench.turn(traceId, options.timeoutMs ?? 8000, options.activityRef), options),
     fetchTraceEvents: (traceId, options = {}) => runWorkbenchQuery(queryCache, workbenchColadaKeys.traceEvents(traceId, options), () => api.workbench.traceEvents(traceId, options.timeoutMs ?? 8000, options.activityRef, { afterProjectedSeq: options.afterProjectedSeq, limit: options.limit }), options),
     fetchProviderProfiles: (options = {}) => runWorkbenchQuery(queryCache, workbenchColadaKeys.providerProfiles(), () => api.providerProfiles.catalog(), options),
-    invalidateSessionList: () => queryCache.invalidateQueries({ key: workbenchColadaKeys.sessionsRoot() }),
     invalidateSession: (sessionId) => sessionId ? queryCache.invalidateQueries({ key: workbenchColadaKeys.session(sessionId) }) : Promise.resolve(),
     invalidateSessionMessages: (sessionId) => sessionId ? queryCache.invalidateQueries({ key: workbenchColadaKeys.sessionMessagesRoot().concat(sessionId) }) : Promise.resolve(),
-    invalidateTurn: (traceId) => traceId ? queryCache.invalidateQueries({ key: workbenchColadaKeys.turn(traceId) }) : Promise.resolve(),
     invalidateTraceEvents: (traceId) => traceId ? queryCache.invalidateQueries({ key: workbenchColadaKeys.traceEventsRoot().concat(traceId) }) : Promise.resolve(),
     invalidateTraceScope: async (input) => Promise.all([
       queryCache.invalidateQueries({ key: workbenchColadaKeys.snapshotRoot() }),
diff --git a/web/hwlab-cloud-web/src/stores/workbench-event-reducer.ts b/web/hwlab-cloud-web/src/stores/workbench-event-reducer.ts
index e9984b5c..dcf4da5e 100644
--- a/web/hwlab-cloud-web/src/stores/workbench-event-reducer.ts
+++ b/web/hwlab-cloud-web/src/stores/workbench-event-reducer.ts
@@ -48,15 +48,7 @@ export function reduceWorkbenchRealtimeEvent(event: WorkbenchRealtimeEvent, even
   };
 }
 
-export function workbenchRealtimeEventIsBusinessActivity(event: WorkbenchRealtimeEvent, eventName: string, liveKafkaSse: boolean): boolean {
-  if (!liveKafkaSse) return true;
-  return eventName === "hwlab.event.v1" || event.schema === "hwlab.event.v1";
-}
-
 function reduceRealtimeAction(event: WorkbenchRealtimeEvent, eventName: string): WorkbenchRealtimeAction {
-  if (event.schema === "hwlab.event.v1" && event.event) {
-    return { type: "trace.event", traceId: realtimeTraceId(event), event: event.event, snapshot: null, realtimeEvent: event };
-  }
   const authority = primaryAuthority(event);
   if (authority) return authority;
   switch (event.type) {
diff --git a/web/hwlab-cloud-web/src/stores/workbench-isolated-kafka-debug.ts b/web/hwlab-cloud-web/src/stores/workbench-isolated-kafka-debug.ts
index 1fdce381..1eb88acc 100644
--- a/web/hwlab-cloud-web/src/stores/workbench-isolated-kafka-debug.ts
+++ b/web/hwlab-cloud-web/src/stores/workbench-isolated-kafka-debug.ts
@@ -5,9 +5,7 @@ import type { WorkbenchKafkaSseDebugEvent } from "@/api/workbench-debug";
 import type { WorkbenchRealtimeEvent } from "@/api/workbench-events";
 import type { ChatMessage } from "@/types";
 import { firstNonEmptyString } from "@/utils";
-import { reduceWorkbenchRealtimeEvent } from "./workbench-event-reducer";
 import { projectWorkbenchLiveKafkaMessage } from "./workbench-live-kafka-event";
-import { planWorkbenchRealtimeApply } from "./workbench-realtime-plan";
 
 export interface WorkbenchIsolatedKafkaDebugLog {
   id: string;
@@ -48,22 +46,17 @@ export function applyWorkbenchIsolatedKafkaDebugEvent(
   if (!traceId) return rejected(base, debugEvent, null, "debug-envelope-trace-missing");
   if (expected && traceId !== expected) return rejected(base, debugEvent, traceId, "debug-envelope-trace-mismatch");
 
-  const event = { ...debugEvent, schema: "hwlab.event.v1" } as WorkbenchRealtimeEvent;
-  const reduced = reduceWorkbenchRealtimeEvent(event, "hwlab.event.v1");
-  const plan = planWorkbenchRealtimeApply(reduced.action);
-  const traceStep = plan.steps.find((step) => step.type === "apply-trace-event");
-  if (!traceStep || traceStep.type !== "apply-trace-event" || !traceStep.event) {
-    return withLog(base, event, traceId, reduced.action.type, plan.steps.map((step) => step.type), false, reduced.action.type === "ignore" ? reduced.action.reason : "debug-envelope-not-a-trace-event");
-  }
+  const traceEvent = debugEvent.event;
+  if (!traceEvent) return withLog(base, debugEvent, traceId, "ignore", [], false, "debug-envelope-not-a-trace-event");
   const message = projectWorkbenchLiveKafkaMessage({
     previous: state.message,
     traceId,
-    sessionId: firstNonEmptyString(event.hwlabSessionId, event.sessionId, traceStep.event.sessionId, state.message?.sessionId) ?? "ses_workbench_isolated_debug",
-    event: traceStep.event,
+    sessionId: firstNonEmptyString(debugEvent.hwlabSessionId, debugEvent.sessionId, traceEvent.sessionId, state.message?.sessionId) ?? "ses_workbench_isolated_debug",
+    event: traceEvent,
     receivedAt: new Date().toISOString(),
     title: "Code Agent · 隔离调试"
   });
-  return withLog({ ...base, message, appliedCount: state.appliedCount + 1, error: null }, event, traceId, reduced.action.type, plan.steps.map((step) => step.type), true, null);
+  return withLog({ ...base, message, appliedCount: state.appliedCount + 1, error: null }, debugEvent, traceId, "debug.trace.event", ["debug-project-message"], true, null);
 }
 
 export function workbenchCurrentDebugTraceId(messages: ChatMessage[], sessionLastTraceId?: string | null): string | null {
diff --git a/web/hwlab-cloud-web/src/stores/workbench-kafka-refresh-policy.test.ts b/web/hwlab-cloud-web/src/stores/workbench-kafka-refresh-policy.test.ts
deleted file mode 100644
index ac2a1034..00000000
--- a/web/hwlab-cloud-web/src/stores/workbench-kafka-refresh-policy.test.ts
+++ /dev/null
@@ -1,28 +0,0 @@
-import assert from "node:assert/strict";
-import { test } from "bun:test";
-
-import { workbenchHistoryAuthorityPolicy } from "./workbench-kafka-refresh-policy";
-
-test("every capability combination keeps automatic HTTP terminal and history readers disabled", () => {
-  for (const liveKafkaSse of [false, true]) {
-    for (const kafkaRefreshReplay of [false, true]) {
-      for (const projectionRealtime of [false, true]) {
-        const policy = workbenchHistoryAuthorityPolicy({ liveKafkaSse, kafkaRefreshReplay, projectionRealtime });
-        const calls = { fetchSessionMessagesPage: 0, fetchTurn: 0, fetchTraceEvents: 0 };
-        if (policy.sessionMessagesHydrate) calls.fetchSessionMessagesPage += 1;
-        if (policy.turnStatusHydrate) calls.fetchTurn += 1;
-        if (policy.traceEventsHydrate) calls.fetchTraceEvents += 1;
-
-        assert.deepEqual(policy, {
-          kafkaRetention: false,
-          sessionMetadataRead: true,
-          sessionMessagesHydrate: false,
-          turnStatusHydrate: false,
-          traceEventsHydrate: false,
-          syncReplay: projectionRealtime
-        });
-        assert.deepEqual(calls, { fetchSessionMessagesPage: 0, fetchTurn: 0, fetchTraceEvents: 0 });
-      }
-    }
-  }
-});
diff --git a/web/hwlab-cloud-web/src/stores/workbench-kafka-refresh-policy.ts b/web/hwlab-cloud-web/src/stores/workbench-kafka-refresh-policy.ts
deleted file mode 100644
index d0ae5f33..00000000
--- a/web/hwlab-cloud-web/src/stores/workbench-kafka-refresh-policy.ts
+++ /dev/null
@@ -1,21 +0,0 @@
-import type { WorkbenchRealtimeCapabilities } from "@/config/runtime";
-
-export interface WorkbenchHistoryAuthorityPolicy {
-  kafkaRetention: boolean;
-  sessionMetadataRead: true;
-  sessionMessagesHydrate: false;
-  turnStatusHydrate: false;
-  traceEventsHydrate: false;
-  syncReplay: boolean;
-}
-
-export function workbenchHistoryAuthorityPolicy(capabilities: WorkbenchRealtimeCapabilities): WorkbenchHistoryAuthorityPolicy {
-  return {
-    kafkaRetention: false,
-    sessionMetadataRead: true,
-    sessionMessagesHydrate: false,
-    turnStatusHydrate: false,
-    traceEventsHydrate: false,
-    syncReplay: capabilities.projectionRealtime
-  };
-}
diff --git a/web/hwlab-cloud-web/src/stores/workbench-live-kafka-event.ts b/web/hwlab-cloud-web/src/stores/workbench-live-kafka-event.ts
index abee3c58..0bbd4b72 100644
--- a/web/hwlab-cloud-web/src/stores/workbench-live-kafka-event.ts
+++ b/web/hwlab-cloud-web/src/stores/workbench-live-kafka-event.ts
@@ -1,5 +1,5 @@
-// SPEC: PJ2026-0104010803 Workbench live Kafka SSE.
-// Responsibility: project one transparent hwlab.event.v1 business event into visible turn state without replay/finalizer/polling.
+// SPEC: PJ2026-0104010803 isolated Kafka debug fixture.
+// Responsibility: project historical hwlab.event.debug.v1 fixtures for the admin-only isolated debugger; never imported by the product Workbench SSE path.
 
 import { mergeRunnerTrace } from "../composables/workbench-trace-snapshot";
 import type { ChatMessage, TraceEvent, WorkbenchTurnTimingProjection } from "../types";
diff --git a/web/hwlab-cloud-web/src/stores/workbench-message-projection-runtime.test.ts b/web/hwlab-cloud-web/src/stores/workbench-message-projection-runtime.test.ts
index df1eea60..2dfb8f36 100644
--- a/web/hwlab-cloud-web/src/stores/workbench-message-projection-runtime.test.ts
+++ b/web/hwlab-cloud-web/src/stores/workbench-message-projection-runtime.test.ts
@@ -137,17 +137,17 @@ test("workbench active terminal paths seal final response from turn authority",
   const projectBlock = source.slice(source.indexOf("function projectTurnAuthorityToMessages"), source.indexOf("async function submitMessage"));
   const realtimeTurnBlock = source.slice(source.indexOf("function applyRealtimeTurnSnapshot"), source.indexOf("function scheduleRealtimeTurnProjection"));
   const realtimeTurnProjectionBlock = source.slice(source.indexOf("function flushRealtimeTurnProjection"), source.indexOf("function installRealtimeVisibilityHandler"));
-  const completeBlock = source.slice(source.indexOf("function completeTrace"), source.indexOf("async function hydrateTerminalMessageDiagnostics"));
+  const completeBlock = source.slice(source.indexOf("function completeTrace"), source.indexOf("function applyTerminalResultDiagnostics"));
+  const terminalDiagnosticsBlock = source.slice(source.indexOf("function applyTerminalResultDiagnostics"), source.indexOf("function applyRealtimeProjectionError"));
   const crossTabSyncBlock = source.slice(source.indexOf("async function refreshCrossTabSessionFromSyncReplay"), source.indexOf("function completeTrace"));
   const sessionDetailReadBlock = source.slice(source.indexOf("function fetchSessionDetailPage"), source.indexOf("function sessionMessageProjectionWindowLimit"));
   const traceDetailReadBlock = source.slice(source.indexOf("async function readTraceEventsForExplicitDetailPages"), source.indexOf("async function fetchTraceDetailEventsPage"));
-  const loadBlock = source.slice(source.indexOf("async function loadWorkbenchSession"), source.indexOf("async function sealRestoredActiveTurnMessages"));
-  const restoreSealBlock = source.slice(source.indexOf("async function sealRestoredActiveTurnMessages"), source.indexOf("function reattachRestoredActiveTrace"));
+  const loadBlock = source.slice(source.indexOf("async function loadWorkbenchSession"), source.indexOf("function reattachRestoredActiveTrace"));
 
   assert.match(projectBlock, /terminalAuthorityMessageFromTurnResult\(result\)/u);
   assert.match(projectBlock, /type:\s*"message\.upsert"/u);
   assert.match(projectBlock, /\.\.\.terminalPatch/u);
-  assert.match(source, /createKeyedSingleflight<ApiResult<AgentChatResultResponse>>/u);
+  assert.match(source, /const traceDetailReadSingleflight = createKeyedSingleflight<void>\(\)/u);
   assert.match(source, /traceDetailReadSingleflight\.run/u);
   assert.doesNotMatch(source, new RegExp(["refresh", "RealtimeSessionMessages"].join(""), "u"));
   assert.match(realtimeTurnBlock, /rememberTurnStatus\(traceId, result\)[\s\S]*scheduleRealtimeTurnProjection\(\{ traceId, result, terminalTurn \}\)/u);
@@ -156,7 +156,8 @@ test("workbench active terminal paths seal final response from turn authority",
   assert.match(realtimeTurnProjectionBlock, /workbench_realtime_turn_projection_budget/u);
   assert.doesNotMatch(realtimeTurnProjectionBlock, /refreshWorkbenchSyncReplay|refreshTerminalTraceFromSyncReplay/u);
   assert.match(completeBlock, /projectTurnAuthorityToMessages\(traceId, result, "complete-trace"\)/u);
-  assert.match(completeBlock, /options\.forceRead[\s\S]*refreshMessageProjectionForTrace\(ownerSessionId, traceId, \{ force: true \}\)/u);
+  assert.doesNotMatch(completeBlock, /forceRead|refreshMessageProjectionForTrace|fetchWorkbenchTurnStatus|refreshTurnStatusByTraceId/u);
+  assert.doesNotMatch(terminalDiagnosticsBlock, /readTraceEventsForMessages|fetchSessionMessagesPage|fetchWorkbenchTurnStatus/u);
   assert.doesNotMatch(completeBlock, /scheduleActiveTraceSyncReplay|refreshWorkbenchSyncReplay/u);
   assert.match(source.slice(source.indexOf("function handleWorkbenchProjectionSignal"), source.indexOf("function applyTraceSnapshot")), /restartRealtime\("cross-tab-session-projection", true\)/u);
   assert.doesNotMatch(source, /scheduleActiveTraceSyncReplay|refreshActiveTraceFromSyncReplay/u);
@@ -169,10 +170,10 @@ test("workbench active terminal paths seal final response from turn authority",
   assert.match(loadBlock, /fetchSessionDetailPage\(requestId, \{ reason: "load-session:detail", force: true \}\)/u);
   assert.match(loadBlock, /sessionFromWorkbenchSession\(detail\.data\?\.session, \{ includeMessages: false \}\)/u);
   assert.match(loadBlock, /const fallbackMessages = seed\?\.sessionId === id \? seed\.messages \?\? \[\] : \[\];/u);
+  assert.match(loadBlock, /fetchSessionMessagesPage\(normalizedRequestId, \{ limit: messageLimit, reason: "load-session:messages", force: true \}\)/u);
+  assert.doesNotMatch(loadBlock, /messages:\s*\[\]/u);
   assert.doesNotMatch(loadBlock, /limit:\s*100/u);
-  assert.match(restoreSealBlock, /workbench_restored_turn_auto_read_disabled/u);
-  assert.doesNotMatch(restoreSealBlock, /fetchWorkbenchTurnStatus|Promise\.all/u);
-  assert.doesNotMatch(restoreSealBlock, /force:\s*true/u);
+  assert.doesNotMatch(source, /sealRestoredActiveTurnMessages|messageNeedsRestoredTurnSeal|refreshSessionStatusAuthority|readTerminalTraceDetailGaps/u);
 });
 
 test("workbench active SSE path only recovers by reconnecting the events cursor", () => {
@@ -181,8 +182,7 @@ test("workbench active SSE path only recovers by reconnecting the events cursor"
     source.slice(source.indexOf("async function submitMessage"), source.indexOf("async function cancelAgentMessage")),
     source.slice(source.indexOf("function reattachTrace"), source.indexOf("function restartRealtime")),
     source.slice(source.indexOf("function flushRealtimeTurnProjection"), source.indexOf("function installRealtimeVisibilityHandler")),
-    source.slice(source.indexOf("function completeTrace"), source.indexOf("async function hydrateTerminalMessageDiagnostics")),
-    source.slice(source.indexOf("async function sealRestoredActiveTurnMessages"), source.indexOf("function reattachRestoredActiveTrace"))
+    source.slice(source.indexOf("function completeTrace"), source.indexOf("function applyTerminalResultDiagnostics"))
   ].join("\n");
 
   assert.doesNotMatch(activeBlocks, /refreshWorkbenchSyncReplay|scheduleActiveTraceSyncReplay|setTimeout|setInterval/u);
diff --git a/web/hwlab-cloud-web/src/stores/workbench-session-messages-read-budget.test.ts b/web/hwlab-cloud-web/src/stores/workbench-session-messages-read-budget.test.ts
index 7a21db54..d319205d 100644
--- a/web/hwlab-cloud-web/src/stores/workbench-session-messages-read-budget.test.ts
+++ b/web/hwlab-cloud-web/src/stores/workbench-session-messages-read-budget.test.ts
@@ -1,13 +1,7 @@
 import assert from "node:assert/strict";
 import { test } from "bun:test";
 
-import type { ChatMessage } from "@/types";
-import { projectionMergeCommitSummary, sessionDetailAutoReadDecision, traceEventsAutoReadDecision, workbenchSessionDetailReadKey, workbenchSessionMessagesReadKey, workbenchTraceEventsReadKey } from "./workbench-session-messages-read-budget";
-import { selectActiveTurnStatusRefreshTraceIds } from "./workbench-session";
-
-function message(id: string): ChatMessage {
-  return { id, role: "agent", text: "", status: "running", createdAt: "2026-07-02T00:00:00.000Z" } as ChatMessage;
-}
+import { traceEventsAutoReadDecision, workbenchSessionDetailReadKey, workbenchSessionMessagesReadKey, workbenchTraceEventsReadKey } from "./workbench-session-messages-read-budget";
 
 test("session messages singleflight key separates limit and force class", () => {
   const limit8 = workbenchSessionMessagesReadKey({ sessionId: "ses_key", limit: 8, force: false });
@@ -18,7 +12,6 @@ test("session messages singleflight key separates limit and force class", () =>
   assert.notEqual(limit20, force20);
   assert.equal(limit20, workbenchSessionMessagesReadKey({ sessionId: "ses_key", limit: 20, force: false }));
 });
-
 test("session detail singleflight key separates force freshness class", () => {
   const fresh = workbenchSessionDetailReadKey({ sessionId: "ses_key", force: false });
   const forced = workbenchSessionDetailReadKey({ sessionId: "ses_key", force: true });
@@ -26,7 +19,6 @@ test("session detail singleflight key separates force freshness class", () => {
   assert.notEqual(fresh, forced);
   assert.equal(fresh, workbenchSessionDetailReadKey({ sessionId: "ses_key" }));
 });
-
 test("trace events auto read skips initial and completed equivalent ranges", () => {
   const key = workbenchTraceEventsReadKey({ traceId: "trc_range", afterProjectedSeq: 12, limit: 50 });
 
@@ -35,25 +27,3 @@ test("trace events auto read skips initial and completed equivalent ranges", ()
   assert.equal(traceEventsAutoReadDecision({ traceId: "trc_range", afterProjectedSeq: 12, limit: 50, cachedRange: { traceId: "trc_range", afterProjectedSeq: 12, limit: 50, nextProjectedSeq: 40, hasMore: true } }).read, true);
   assert.equal(key, workbenchTraceEventsReadKey({ traceId: "trc_range", afterProjectedSeq: 12, limit: 50 }));
 });
-
-test("session detail auto read defers trace scoped realtime refresh to turn authority", () => {
-  assert.deepEqual(sessionDetailAutoReadDecision({ traceId: "trc_turn", nowMs: 10_000, minIntervalMs: 5_000 }), { read: false, reason: "turn-authority-first" });
-  assert.deepEqual(sessionDetailAutoReadDecision({ nowMs: 10_000, lastReadAtMs: 9_000, minIntervalMs: 5_000 }), { read: false, reason: "min-interval" });
-  assert.deepEqual(sessionDetailAutoReadDecision({ nowMs: 10_000, lastReadAtMs: 1_000, minIntervalMs: 5_000 }), { read: true, reason: "metadata-only" });
-});
-
-test("projection merge summary reports no write without blocking follow-up hydrate", () => {
-  const existing = [{ ...message("msg_same"), traceId: "trc_current", sessionId: "ses_same" }];
-  const summary = projectionMergeCommitSummary(existing, existing);
-  const hydrateTraceIds = selectActiveTurnStatusRefreshTraceIds({ messages: existing, currentRequestTraceId: "trc_current", limit: 1 });
-
-  assert.deepEqual(summary, { changed: false, changedCount: 0 });
-  assert.deepEqual(hydrateTraceIds, ["trc_current"]);
-});
-
-test("projection merge summary reports changed message references", () => {
-  const existing = [message("msg_old")];
-  const merged = [message("msg_new")];
-
-  assert.deepEqual(projectionMergeCommitSummary(existing, merged), { changed: true, changedCount: 1 });
-});
diff --git a/web/hwlab-cloud-web/src/stores/workbench-session-messages-read-budget.ts b/web/hwlab-cloud-web/src/stores/workbench-session-messages-read-budget.ts
index 125593b8..abf2adfe 100644
--- a/web/hwlab-cloud-web/src/stores/workbench-session-messages-read-budget.ts
+++ b/web/hwlab-cloud-web/src/stores/workbench-session-messages-read-budget.ts
@@ -1,7 +1,6 @@
 // SPEC: pikasTech/HWLAB#2356 Workbench bounded request storm follow-up.
 // Responsibility: Pure budgeting helpers for Workbench detail read de-duplication and projection merge writes.
 
-import type { ChatMessage } from "@/types";
 import { firstNonEmptyString } from "@/utils";
 import { composeWorkbenchScopedKey } from "@/utils/workbench-key";
 
@@ -16,11 +15,6 @@ export interface SessionDetailReadKeyInput {
   force?: boolean | null;
 }
 
-export interface ProjectionMergeCommitSummary {
-  changed: boolean;
-  changedCount: number;
-}
-
 export interface TraceEventsReadRangeInput {
   traceId: string | null | undefined;
   afterProjectedSeq: number | null | undefined;
@@ -38,15 +32,6 @@ export interface TraceEventsAutoReadDecisionInput extends TraceEventsReadRangeIn
   cachedRange?: TraceEventsReadRangeRecord | null;
 }
 
-export interface SessionDetailAutoReadDecisionInput {
-  force?: boolean | null;
-  traceId?: string | null;
-  terminalBodyVisible?: boolean | null;
-  lastReadAtMs?: number | null;
-  nowMs: number;
-  minIntervalMs: number;
-}
-
 export interface ReadDetailDecision {
   read: boolean;
   reason: string;
@@ -89,25 +74,6 @@ export function traceEventsAutoReadDecision(input: TraceEventsAutoReadDecisionIn
   return { read: true, reason: "delta-range" };
 }
 
-export function sessionDetailAutoReadDecision(input: SessionDetailAutoReadDecisionInput): ReadDetailDecision {
-  if (input.force === true) return { read: true, reason: "force" };
-  if (input.terminalBodyVisible === true) return { read: false, reason: "terminal-visible" };
-  if (firstNonEmptyString(input.traceId)) return { read: false, reason: "turn-authority-first" };
-  const lastReadAtMs = Number(input.lastReadAtMs);
-  const minIntervalMs = Math.max(0, Math.trunc(Number(input.minIntervalMs)));
-  if (Number.isFinite(lastReadAtMs) && input.nowMs - lastReadAtMs < minIntervalMs) return { read: false, reason: "min-interval" };
-  return { read: true, reason: "metadata-only" };
-}
-
-export function projectionMergeCommitSummary(existing: ChatMessage[], merged: ChatMessage[]): ProjectionMergeCommitSummary {
-  let changedCount = Math.max(0, merged.length - existing.length);
-  const sharedLength = Math.min(existing.length, merged.length);
-  for (let index = 0; index < sharedLength; index += 1) {
-    if (existing[index] !== merged[index]) changedCount += 1;
-  }
-  return { changed: changedCount > 0, changedCount };
-}
-
 function sessionMessagesReadLimitPart(value: number | null | undefined): number {
   const number = Number(value);
   return Number.isFinite(number) && number > 0 ? Math.trunc(number) : 1;
diff --git a/web/hwlab-cloud-web/src/stores/workbench-session.test.ts b/web/hwlab-cloud-web/src/stores/workbench-session.test.ts
index e24615f0..86d69f48 100644
--- a/web/hwlab-cloud-web/src/stores/workbench-session.test.ts
+++ b/web/hwlab-cloud-web/src/stores/workbench-session.test.ts
@@ -2,7 +2,7 @@ import assert from "node:assert/strict";
 import { test } from "bun:test";
 
 import type { ChatMessage, WorkbenchSessionRecord } from "../types";
-import { resolveCancelableAgentMessage, resolveComposerState, selectActiveTurnStatusRefreshTraceIds, sessionToSessionTab, shouldReadTerminalTraceDetail } from "./workbench-session";
+import { resolveCancelableAgentMessage, resolveComposerState, sessionToSessionTab, shouldReadTerminalTraceDetail } from "./workbench-session";
 import type { TurnStatusAuthority } from "./workbench-session";
 
 function agentMessage(input: Partial<ChatMessage> & Pick<ChatMessage, "id" | "traceId" | "sessionId">): ChatMessage {
@@ -96,22 +96,6 @@ test("cancel target remains available for failed message until terminal body exi
   assert.equal(resolveCancelableAgentMessage({ messages: [sealed], targetTraceId: traceId, targetSessionId: sessionId, turnStatusAuthority: { [traceId]: turnStatus({ traceId, sessionId, status: "running", running: true, terminal: false }) } }), null);
 });
 
-test("turn status refresh selector keeps automatic hydrate bounded to the active trace", () => {
-  const sessionId = "ses_turn_hydrate_budget";
-  const older = agentMessage({ id: "msg_older", traceId: "trc_older", sessionId, status: "running" });
-  const current = agentMessage({ id: "msg_current", traceId: "trc_current", sessionId, status: "running" });
-
-  assert.deepEqual(selectActiveTurnStatusRefreshTraceIds({ messages: [older, current], currentRequestTraceId: current.traceId, limit: 1 }), [current.traceId]);
-});
-
-test("turn status refresh selector skips sealed terminal traces", () => {
-  const sessionId = "ses_turn_detail_sealed";
-  const traceId = "trc_sealed";
-  const sealed = agentMessage({ id: "msg_sealed", traceId, sessionId, status: "completed", text: "final" });
-
-  assert.deepEqual(selectActiveTurnStatusRefreshTraceIds({ messages: [sealed], currentRequestTraceId: traceId, turnStatusAuthority: { [traceId]: turnStatus({ traceId, sessionId, status: "completed", running: false, terminal: true }) }, limit: 1 }), []);
-});
-
 test("terminal detail read skips sealed terminal trace authority", () => {
   const sessionId = "ses_terminal_detail_sealed";
   const traceId = "trc_terminal_detail_sealed";
diff --git a/web/hwlab-cloud-web/src/stores/workbench-session.ts b/web/hwlab-cloud-web/src/stores/workbench-session.ts
index f4c3deca..56a89311 100644
--- a/web/hwlab-cloud-web/src/stores/workbench-session.ts
+++ b/web/hwlab-cloud-web/src/stores/workbench-session.ts
@@ -117,22 +117,6 @@ export function resolveCancelableAgentMessage(input: { messages: ChatMessage[];
   return null;
 }
 
-export function selectActiveTurnStatusRefreshTraceIds(input: { messages: ChatMessage[]; currentRequestTraceId?: string | null; turnStatusAuthority?: TurnStatusAuthorityMap; limit?: number }): string[] {
-  const traceIds = new Set<string>();
-  const limit = Math.max(1, Math.trunc(input.limit ?? 3));
-  const currentRequestTraceId = firstNonEmptyString(input.currentRequestTraceId);
-  if (currentRequestTraceId && traceNeedsTurnStatusRefresh(currentRequestTraceId, input.messages, input.turnStatusAuthority)) traceIds.add(currentRequestTraceId);
-  if (traceIds.size >= limit) return [...traceIds];
-  for (const message of [...input.messages].reverse()) {
-    const traceId = firstNonEmptyString(message.traceId, message.runnerTrace?.traceId);
-    if (!traceId || traceIds.has(traceId)) continue;
-    if (!messageHasActiveTurnStatusEvidence(message, traceId, currentRequestTraceId)) continue;
-    if (traceNeedsTurnStatusRefresh(traceId, input.messages, input.turnStatusAuthority)) traceIds.add(traceId);
-    if (traceIds.size >= limit) break;
-  }
-  return [...traceIds];
-}
-
 export function shouldReadTerminalTraceDetail(input: { traceId?: string | null; messages: ChatMessage[]; turnStatusAuthority?: TurnStatusAuthorityMap }): boolean {
   const traceId = firstNonEmptyString(input.traceId);
   if (!traceId) return false;
@@ -317,21 +301,6 @@ function latestMessageForTrace(messages: ChatMessage[], traceId: string): ChatMe
   return [...messages].reverse().find((message) => firstNonEmptyString(message.traceId, message.runnerTrace?.traceId) === traceId) ?? null;
 }
 
-function messageHasActiveTurnStatusEvidence(message: ChatMessage, traceId: string, currentRequestTraceId: string | null): boolean {
-  if (currentRequestTraceId === traceId) return true;
-  return isActiveStatus(message.status) || message.traceAutoLifecycle === "running";
-}
-
-function traceNeedsTurnStatusRefresh(traceId: string | null | undefined, messages: ChatMessage[], turnStatusAuthority: TurnStatusAuthorityMap | undefined): boolean {
-  const id = firstNonEmptyString(traceId);
-  if (!id) return false;
-  const turn = turnStatusAuthority?.[id];
-  const message = latestMessageForTrace(messages, id);
-  if (turnStatusAuthorityIsSealed(turn, message)) return false;
-  if (messageIsSealedTerminal(message)) return false;
-  return true;
-}
-
 function resolveSessionTabStatus(session: WorkbenchSessionRecord, authority: SessionStatusAuthority | null | undefined, latestAgent: ChatMessage | null = latestAgentMessage(session.messages)): string {
   const latestTraceId = firstNonEmptyString(latestAgent?.traceId, latestAgent?.runnerTrace?.traceId);
   const authorityTraceId = firstNonEmptyString(authority?.lastTraceId);
diff --git a/web/hwlab-cloud-web/src/stores/workbench.ts b/web/hwlab-cloud-web/src/stores/workbench.ts
index 582724da..1c7f909d 100644
--- a/web/hwlab-cloud-web/src/stores/workbench.ts
+++ b/web/hwlab-cloud-web/src/stores/workbench.ts
@@ -4,29 +4,27 @@
 import { computed, nextTick, ref } from "vue";
 import { defineStore } from "pinia";
 import { api } from "@/api";
-import { workbenchDebugCapabilities, workbenchRealtimeCapabilities } from "@/config/runtime";
+import { workbenchDebugCapabilities } from "@/config/runtime";
 import { workbenchRuntimePolicy } from "@/config/workbench-runtime-policy";
 import { createKeyedSingleflight } from "@/utils/scheduler/keyed-singleflight";
 import { createWorkbenchHealthProbeCache } from "@/utils/workbench-health";
 import { agentErrorFromProjection, normalizeApiErrorRecord, normalizeErrorDiagnostic, normalizeProjectionDiagnostic, projectionDiagnosticFromApiFailure, projectionDiagnosticFromFailure } from "@/utils/workbench-error-runtime";
 import { readWorkbenchJson, readWorkbenchNumber, readWorkbenchString, removeWorkbenchStorageKey, writeWorkbenchJson, writeWorkbenchString } from "@/utils/workbench-storage-runtime";
-import { createWorkbenchStreamTransportRuntime, workbenchRealtimeTraceIdForCapabilities, type WorkbenchRealtimeEvent, type WorkbenchStreamTransportRecovery } from "@/utils/workbench-realtime-runtime";
+import { createWorkbenchStreamTransportRuntime, workbenchRealtimeTraceId, type WorkbenchRealtimeEvent, type WorkbenchStreamTransportRecovery } from "@/utils/workbench-realtime-runtime";
 import { mergeRunnerTrace, snapshotToRunnerTrace, type TraceSnapshot } from "@/composables/workbench-trace-snapshot";
 import type { WorkbenchMessagePageResponse, WorkbenchSessionDetailResponse } from "@/api/workbench";
 import type { AgentChatResponse, AgentChatResultResponse, AgentRunProvenance, ApiError, ApiResult, ChatMessage, ErrorDiagnostic, LiveSurface, ProjectionBlocker, ProjectionDiagnostic, ProviderProfile, TraceEvent, WorkbenchSessionRecord, WorkbenchTurnTimingProjection } from "@/types";
 import { firstNonEmptyString, nextProtocolId, normalizeWorkbenchSessionId, normalizeWorkbenchSessionRouteId } from "@/utils";
 import { composeWorkbenchScopedKey, workbenchRealtimeScopeKey } from "@/utils/workbench-key";
 import { failWorkbenchSessionSwitch, failWorkbenchSubmitJourney, finishWorkbenchSessionSwitchFullLoad, markWorkbenchSubmitApiAccepted, markWorkbenchTraceEventsReceived, markWorkbenchTraceProjected, recordWorkbenchLoadingState, recordWorkbenchRuntimeDiagnostic, startWorkbenchSessionSwitch, startWorkbenchSubmitJourney } from "@/utils/workbench-performance";
-import { RECENT_DRAFTS_STORAGE_KEY, appendSessionPage, defaultProviderProfileOptions, isArchivedSession, mergeSessionIntoList, normalizeChatMessageStatus, normalizeRecentDrafts, normalizeWorkbenchMessageTitle, providerProfileOptionsFromPayload, recordRecentDraft, resolveCancelableAgentMessage, resolveComposerState, selectActiveTurnStatusRefreshTraceIds, shouldReadTerminalTraceDetail, shouldShowSessionListLoading, sortSessionTabs, stableSessionList, type DraftEntry, type ProviderProfileOption, type TurnStatusAuthority } from "./workbench-session";
+import { RECENT_DRAFTS_STORAGE_KEY, appendSessionPage, defaultProviderProfileOptions, isArchivedSession, mergeSessionIntoList, normalizeChatMessageStatus, normalizeRecentDrafts, normalizeWorkbenchMessageTitle, providerProfileOptionsFromPayload, recordRecentDraft, resolveCancelableAgentMessage, resolveComposerState, shouldReadTerminalTraceDetail, shouldShowSessionListLoading, sortSessionTabs, stableSessionList, type DraftEntry, type ProviderProfileOption, type TurnStatusAuthority } from "./workbench-session";
 import { initialWorkbenchSessionIdFromLocation } from "./workbench-projection";
 import { cleanupWorkbenchServerStateSessions, selectActiveMessages, selectActiveSession, selectSessionList, selectSessionStatusAuthority, selectTraceAuthorityById, selectTurnStatusAuthority, type WorkbenchServerAction } from "./workbench-server-state";
 import { cleanupDroppedWorkbenchSessionCaches, trimWorkbenchSessionCache } from "./workbench-session-cache";
-import { reduceWorkbenchRealtimeEvent, workbenchRealtimeEventIsBusinessActivity, type WorkbenchRealtimeAction } from "./workbench-event-reducer";
-import { projectWorkbenchLiveKafkaMessage, projectWorkbenchLiveKafkaUserMessage, workbenchAgentMessageIdForTrace, workbenchLiveKafkaEnvelope, workbenchLiveKafkaProjectionTarget, workbenchUserMessageIdForTrace } from "./workbench-live-kafka-event";
+import { reduceWorkbenchRealtimeEvent, type WorkbenchRealtimeAction } from "./workbench-event-reducer";
 import { projectRejectedWorkbenchAdmission } from "./workbench-admission-failure";
-import { workbenchHistoryAuthorityPolicy } from "./workbench-kafka-refresh-policy";
 import { messageHasSealedTerminalResult, messageIsSealedTerminal, traceAuthorityIsSealed } from "./workbench-terminal-authority";
-import { boundedProjectionMessageLimit, mergeBoundedProjectionMessages, selectProjectionMessageWindow, traceProjectionIsTerminalSealed } from "./workbench-message-projection-budget";
+import { boundedProjectionMessageLimit } from "./workbench-message-projection-budget";
 import {
   agentErrorDisplayText,
   agentErrorFromApiFailure,
@@ -39,7 +37,6 @@ import {
   isTerminalMessageStatus,
   isTraceActiveStatus,
   messageHasTerminalResponse,
-  messageNeedsTerminalDiagnostics,
   messageNeedsTraceDetailRead,
   messageStatusPatchForTerminalMerge,
   terminalAuthorityMessageFromTurnResult,
@@ -48,7 +45,6 @@ import {
   messageTimingPatch,
   messageTimingPatchForMerge,
   messageTimingPatchFromProjection,
-  messageTimingSealPatchForProjectionMerge,
   mergeTerminalResultTrace,
   nonBlockingProjection,
   normalizeAgentError,
@@ -65,7 +61,6 @@ import {
   terminalMessageTimingPatchForNormalize,
   turnResultIsTerminalForMerge,
   turnResultStatusForMerge,
-  traceHasTerminalResponse,
   traceHasEvents,
   traceResultHasTerminalEvidence,
 } from "./workbench-message-projection-runtime";
@@ -73,7 +68,7 @@ import { planWorkbenchRealtimeApply, planWorkbenchRealtimeRecovery, type Workben
 import { useWorkbenchColadaMutations } from "./workbench-colada-mutations";
 import { useWorkbenchColadaQueries } from "./workbench-colada-queries";
 import { useWorkbenchColadaReducer } from "./workbench-colada-reducer";
-import { projectionMergeCommitSummary, traceEventsAutoReadDecision, workbenchSessionDetailReadKey, workbenchSessionMessagesReadKey, workbenchTraceEventsReadKey, type TraceEventsReadRangeRecord } from "./workbench-session-messages-read-budget";
+import { traceEventsAutoReadDecision, workbenchSessionDetailReadKey, workbenchSessionMessagesReadKey, workbenchTraceEventsReadKey, type TraceEventsReadRangeRecord } from "./workbench-session-messages-read-budget";
 import { realtimeSnapshotToTraceSnapshot, terminalSealResultWithoutTraceEvents, traceDetailProjectedSeq, traceNextProjectedSeq } from "./workbench-trace-detail";
 import { appendRawHwlabIngressFrame, createRawHwlabIngressState } from "./workbench-raw-hwlab-ingress";
 
@@ -108,15 +103,21 @@ interface RealtimeTurnProjectionItem {
   terminalTurn: boolean;
 }
 
+function workbenchMessageIdForTrace(traceId: string, role: "user" | "agent"): string {
+  const suffix = firstNonEmptyString(traceId)
+    ?.replace(/^trc_/u, "")
+    .replace(/[^A-Za-z0-9_.:-]/gu, "_")
+    .slice(0, 48);
+  if (!suffix) throw new Error("traceId must produce a stable Workbench message identity");
+  return `msg_${suffix}_${role}`;
+}
+
 export const useWorkbenchStore = defineStore("workbench", () => {
   const runtimePolicy = workbenchRuntimePolicy();
-  const realtimeCapabilities = workbenchRealtimeCapabilities();
-  const historyAuthorityPolicy = workbenchHistoryAuthorityPolicy(realtimeCapabilities);
   const debugCapabilities = workbenchDebugCapabilities();
   const workbenchColadaReducer = useWorkbenchColadaReducer();
   const workbenchColadaQueries = useWorkbenchColadaQueries();
   const workbenchColadaMutations = useWorkbenchColadaMutations();
-  const turnStatusReadSingleflight = createKeyedSingleflight<ApiResult<AgentChatResultResponse>>();
   const traceDetailReadSingleflight = createKeyedSingleflight<void>();
   const sessionMessagesReadSingleflight = createKeyedSingleflight<ApiResult<WorkbenchMessagePageResponse>>();
   const sessionDetailReadSingleflight = createKeyedSingleflight<ApiResult<WorkbenchSessionDetailResponse>>();
@@ -138,7 +139,6 @@ export const useWorkbenchStore = defineStore("workbench", () => {
   const sessionListLoadingMore = ref(false);
   const sessionListLoadMoreError = ref<string | null>(null);
   const chatPending = ref(false);
-  const liveRealtimeReadySessionId = ref<string | null>(null);
   const rawHwlabIngress = ref(createRawHwlabIngressState());
   const error = ref<string | null>(null);
   const activityRef = ref({ lastActivityAt: Date.now(), lastActivityIso: new Date().toISOString(), waitingFor: "idle", lastEventLabel: null as string | null });
@@ -169,7 +169,7 @@ export const useWorkbenchStore = defineStore("workbench", () => {
   const sessionListLoadedCount = computed(() => sessionTabs.value.length);
   const sessionListLoading = computed(() => shouldShowSessionListLoading({ loading: loading.value, sessionsReady: sessionsReady.value }));
   const sessionDetailLoading = computed(() => Boolean(sessionDetailLoadingId.value || switchingSessionId.value || (loading.value && messages.value.length === 0)));
-  const composer = computed(() => resolveComposerState({ messages: messages.value, sessions: sessions.value, activeSessionId: activeSessionId.value, chatPending: chatPending.value, realtimeReady: !realtimeCapabilities.liveKafkaSse || liveRealtimeReadySessionId.value === activeSessionId.value, currentRequest: currentRequest.value, turnStatusAuthority: turnStatusAuthority.value }));
+  const composer = computed(() => resolveComposerState({ messages: messages.value, sessions: sessions.value, activeSessionId: activeSessionId.value, chatPending: chatPending.value, realtimeReady: true, currentRequest: currentRequest.value, turnStatusAuthority: turnStatusAuthority.value }));
 
   function recordActivity(label = "user-activity"): void {
     const now = Date.now();
@@ -228,7 +228,6 @@ export const useWorkbenchStore = defineStore("workbench", () => {
     const nextSessions = stableSessionList(sessions.value, listedSessions, stableSelected?.sessionId ?? selected?.sessionId ?? routeSessionId ?? includeSessionId, stableSelected);
     rememberSessionList(nextSessions);
     sessionsReady.value = sessionsResult.ok || nextSessions.length > 0;
-    void refreshSessionStatusAuthority(nextSessions);
     clearSessionDetailLoading(targetSessionId);
     loading.value = false;
     recordWorkbenchLoadingState({ scope: "session_detail", active: false, reason: "hydrate", sessionId: targetSessionId });
@@ -376,23 +375,12 @@ export const useWorkbenchStore = defineStore("workbench", () => {
       rememberSessionList(next);
       applySessionPagination(response.data);
       sessionsReady.value = true;
-      if (historyAuthorityPolicy.turnStatusHydrate) await refreshSessionStatusAuthority(next);
       return;
     }
     sessionsReady.value = sessions.value.length > 0;
     if (sessions.value.length === 0) error.value = response.error ?? "session list unavailable";
   }
 
-  function scheduleSessionListRefresh(includeSessionId: string | null | undefined = activeSessionId.value, delayMs = runtimePolicy.sessionListRealtimeRefreshDelayMs): void {
-    if (realtimeCapabilities.liveKafkaSse) return;
-    void includeSessionId;
-    if (typeof window === "undefined") {
-      void workbenchColadaQueries.invalidateSessionList();
-      return;
-    }
-    window.setTimeout(() => { void workbenchColadaQueries.invalidateSessionList(); }, delayMs);
-  }
-
   async function loadMoreSessions(): Promise<void> {
     if (sessionListLoadingMore.value || !sessionListHasMore.value) return;
     const cursor = sessionListNextCursor.value;
@@ -412,7 +400,6 @@ export const useWorkbenchStore = defineStore("workbench", () => {
     rememberSessionList(next);
     applySessionPagination(response.data);
     sessionsReady.value = true;
-    if (historyAuthorityPolicy.turnStatusHydrate) await refreshSessionStatusAuthority(next);
   }
 
   function currentSessionListLimit(): number {
@@ -511,15 +498,6 @@ export const useWorkbenchStore = defineStore("workbench", () => {
     return projectedActiveSession.value ?? null;
   }
 
-  async function refreshSessionStatusAuthority(source: WorkbenchSessionRecord[] = sessions.value): Promise<void> {
-    void source;
-  }
-
-  function fetchWorkbenchTurnStatus(traceId: string, useActivityTimeout = shouldUseActivityTimeoutForTrace(traceId), options: { force?: boolean } = {}): Promise<ApiResult<AgentChatResultResponse>> {
-    const activitySource = useActivityTimeout ? () => activityRef.value : null;
-    return turnStatusReadSingleflight.run(traceId, () => workbenchColadaQueries.fetchTurn(traceId, { timeoutMs: 8000, activityRef: activitySource, minIntervalMs: runtimePolicy.workbenchTurnStatusMinRefreshMs, force: options.force }), { reason: options.force ? "force-turn-status" : "turn-status" });
-  }
-
   function fetchWorkbenchTraceEvents(traceId: string, afterProjectedSeq: number, useActivityTimeout = shouldUseActivityTimeoutForTrace(traceId), options: { force?: boolean } = {}): Promise<ApiResult<AgentChatResultResponse>> {
     const activitySource = useActivityTimeout ? () => activityRef.value : null;
     return workbenchColadaQueries.fetchTraceEvents(traceId, { timeoutMs: runtimePolicy.workbenchTraceEventsTimeoutMs, activityRef: activitySource, afterProjectedSeq, limit: runtimePolicy.traceDetailPageLimit, minIntervalMs: runtimePolicy.workbenchTraceEventsMinRefreshMs, force: options.force });
@@ -536,25 +514,6 @@ export const useWorkbenchStore = defineStore("workbench", () => {
     return isTraceActiveStatus(turn?.status) || isTraceActiveStatus(message?.status);
   }
 
-  async function refreshMessageProjectionForTrace(sessionId: string | null | undefined, traceId: string, options: { force?: boolean } = {}): Promise<void> {
-    const id = normalizeWorkbenchSessionId(sessionId);
-    if (!id) return;
-    const existing = serverState.value.messagesBySessionId[id] ?? [];
-    if (traceProjectionIsTerminalSealed(traceId, existing)) return;
-    const response = await fetchSessionMessagesPage(id, { limit: traceMessageProjectionWindowLimit(), reason: `trace-message-page:${traceId}`, force: options.force });
-    if (!response.ok || !response.data) {
-      if (shouldSuppressTransientWorkbenchReadFailure(response)) return;
-      if (traceHasTerminalResponse(traceId, messages.value)) return;
-      applyProjectionDiagnostic(traceId, projectionDiagnosticFromApiFailure(response, { code: "message_projection_refresh_failed", message: response.error ?? "消息投影刷新失败，主消息正文保持上一份 canonical projection。", health: response.status === 0 ? "unavailable" : "degraded" }));
-      return;
-    }
-    const pageMessages = Array.isArray(response.data.messages) ? response.data.messages.map((message) => normalizeChatMessage(message as ChatMessage)) : [];
-    const merged = mergeMessageProjectionPage(id, pageMessages, { traceId, limit: traceMessageProjectionWindowLimit() });
-    commitMergedSessionMessages(id, pageMessages, merged, { traceId, limit: traceMessageProjectionWindowLimit(), reason: "trace-message-page" });
-    await hydrateTurnStatusAuthority(merged, { traceId, limit: 1, reason: "trace-message-page" });
-    if (!traceProjectionIsTerminalSealed(traceId, merged)) readTerminalTraceDetailGaps(merged, `trace-message-page:${traceId}`);
-  }
-
   function fetchSessionMessagesPage(sessionId: string, options: SessionMessagesReadOptions): Promise<ApiResult<WorkbenchMessagePageResponse>> {
     const key = workbenchSessionMessagesReadKey({ sessionId, limit: options.limit, force: options.force });
     return sessionMessagesReadSingleflight.run(key, () => workbenchColadaQueries.fetchSessionMessages(sessionId, { limit: options.limit, minIntervalMs: runtimePolicy.workbenchSessionMessagesMinRefreshMs, force: options.force }), { reason: options.reason });
@@ -569,121 +528,6 @@ export const useWorkbenchStore = defineStore("workbench", () => {
     return boundedProjectionMessageLimit(runtimePolicy.workbenchSessionMessagesWindowLimit, runtimePolicy.sessionListPageLimit);
   }
 
-  function traceMessageProjectionWindowLimit(): number {
-    return boundedProjectionMessageLimit(runtimePolicy.workbenchTraceMessagesWindowLimit, runtimePolicy.traceDetailAutoQueueLimit);
-  }
-
-  function mergeMessageProjectionPage(sessionId: string, pageMessages: ChatMessage[], options: { traceId?: string | null; limit: number }): ChatMessage[] {
-    const existing = serverState.value.messagesBySessionId[sessionId] ?? [];
-    const windowMessages = selectProjectionMessageWindow(pageMessages, options);
-    const incoming = windowMessages.map((message) => mergeMessageProjectionMessage(message, existing));
-    return mergeBoundedProjectionMessages(existing, incoming);
-  }
-
-  function commitMergedSessionMessages(sessionId: string, incoming: ChatMessage[], merged: ChatMessage[], options: { traceId?: string | null; limit: number; reason: string }): void {
-    const existing = serverState.value.messagesBySessionId[sessionId] ?? [];
-    const summary = projectionMergeCommitSummary(existing, merged);
-    recordWorkbenchRuntimeDiagnostic({
-      module: "workbench-message-projection",
-      sessionId,
-      traceId: firstNonEmptyString(options.traceId) ?? null,
-      outcome: "ok",
-      diagnostic: {
-        code: "workbench_message_projection_merge",
-        reason: options.reason,
-        source: "session-messages-page",
-        inputCount: incoming.length,
-        existingCount: existing.length,
-        mergedCount: merged.length,
-        changedCount: summary.changedCount,
-        limit: options.limit,
-        valuesRedacted: true
-      }
-    });
-    if (summary.changed) rememberSessionMessages(sessionId, merged);
-  }
-
-  function mergeMessageProjectionMessage(message: ChatMessage, existing: ChatMessage[]): ChatMessage {
-    const previous = findExistingProjectionMessage(message, existing);
-    const traceId = firstNonEmptyString(message.traceId, message.runnerTrace?.traceId, previous?.traceId, previous?.runnerTrace?.traceId);
-    const authority = traceId ? traceAuthorityById.value[traceId] ?? null : null;
-    const preservedTrace = authority ?? previous?.runnerTrace ?? null;
-    const timingSealPatch = messageTimingSealPatchForProjectionMerge(message, previous);
-    if (!preservedTrace) return { ...message, ...timingSealPatch };
-    const runnerTrace = message.runnerTrace ? mergeRunnerTrace(message.runnerTrace, preservedTrace) : preservedTrace;
-    return { ...message, ...timingSealPatch, runnerTrace };
-  }
-
-  function findExistingProjectionMessage(message: ChatMessage, existing: ChatMessage[]): ChatMessage | null {
-    const messageId = firstNonEmptyString(message.messageId, message.id);
-    if (messageId) {
-      const byId = existing.find((item) => firstNonEmptyString(item.messageId, item.id) === messageId);
-      if (byId) return byId;
-    }
-    const traceId = firstNonEmptyString(message.traceId, message.runnerTrace?.traceId);
-    if (!traceId) return null;
-    return existing.find((item) => item.role === message.role && firstNonEmptyString(item.traceId, item.runnerTrace?.traceId) === traceId) ?? null;
-  }
-
-  async function hydrateTurnStatusAuthority(source: ChatMessage[] = messages.value, options: { traceId?: string | null; limit?: number; reason?: string; force?: boolean } = {}): Promise<void> {
-    const traceIds = activeTurnStatusRefreshTraceIds(source, options);
-    if (options.force !== true) {
-      if (traceIds.length > 0) {
-        recordWorkbenchRuntimeDiagnostic({
-          module: "workbench-turn-status",
-          traceId: options.traceId ?? traceIds[0] ?? null,
-          outcome: "ok",
-          diagnostic: { code: "workbench_turn_status_auto_read_disabled", reason: options.reason ?? "auto-turn-status-hydrate", source: "projection-sse-authority", requestedCount: traceIds.length, valuesRedacted: true }
-        });
-      }
-      return;
-    }
-    for (const traceId of traceIds) {
-      await refreshTurnStatusByTraceId(traceId);
-    }
-  }
-
-  function activeTurnStatusRefreshTraceIds(source: ChatMessage[] = messages.value, options: { traceId?: string | null; limit?: number; reason?: string; force?: boolean } = {}): string[] {
-    const requestedTraceId = firstNonEmptyString(options.traceId, currentRequest.value?.traceId);
-    const traceIds = selectActiveTurnStatusRefreshTraceIds({ messages: source, currentRequestTraceId: requestedTraceId, turnStatusAuthority: turnStatusAuthority.value, limit: options.limit ?? 1 });
-    recordWorkbenchRuntimeDiagnostic({
-      module: "workbench-turn-status",
-      traceId: requestedTraceId ?? traceIds[0] ?? null,
-      outcome: "ok",
-      diagnostic: {
-        code: "workbench_turn_status_hydrate_budget",
-        reason: options.reason ?? "auto-turn-status-hydrate",
-        source: "session-message-projection",
-        requestedCount: traceIds.length,
-        limit: options.limit ?? 1,
-        valuesRedacted: true
-      }
-    });
-    return traceIds;
-  }
-
-  async function refreshTurnStatusByTraceId(traceId: string | null | undefined, options: { force?: boolean } = {}): Promise<void> {
-    const id = firstNonEmptyString(traceId);
-    if (!id) return;
-    if (options.force !== true) {
-      recordWorkbenchRuntimeDiagnostic({ module: "workbench-turn-status", traceId: id, outcome: "ok", diagnostic: { code: "workbench_turn_status_auto_read_disabled", source: "projection-sse-authority", valuesRedacted: true } });
-      return;
-    }
-    if (traceTerminalBodyIsVisible(id)) {
-      recordWorkbenchRuntimeDiagnostic({ module: "workbench-terminal-priority", traceId: id, outcome: "ok", diagnostic: { code: "terminal_low_priority_turn_skip", source: "turn-status", valuesRedacted: true } });
-      return;
-    }
-    const response = await fetchWorkbenchTurnStatus(id, shouldUseActivityTimeoutForTrace(id), { force: options.force });
-    if (response.ok && response.data) {
-      applyTurnStatusSnapshot(id, response.data);
-      if (turnResultIsTerminalForMerge(response.data as AgentChatResultResponse)) completeTrace(id, response.data, { forceRead: options.force });
-      return;
-    }
-    if (shouldSuppressTransientWorkbenchReadFailure(response)) return;
-      if (traceHasTerminalResponse(id, messages.value)) return;
-    applyProjectionDiagnostic(id, projectionDiagnosticFromApiFailure(response, { code: "turn_status_poll_failed", message: response.error ?? "状态更新失败，当前 turn 状态暂不可见。", health: response.status === 0 ? "unavailable" : "degraded" }));
-  }
-
   function applyTurnStatusSnapshot(traceId: string, result: AgentChatResultResponse | TraceSnapshot): void {
     const ownerSessionId = traceOwnerSessionId(traceId, traceResultSessionId(result));
     if (!ownerSessionId) return;
@@ -763,14 +607,9 @@ export const useWorkbenchStore = defineStore("workbench", () => {
     const submitEntry = steerMode ? "steer" : "existing";
     const traceId = steerMode && composer.value.targetTraceId ? composer.value.targetTraceId : nextProtocolId("trc");
     const steerTraceId = steerMode ? nextProtocolId("trc_steer") : null;
-    const userMessageId = workbenchUserMessageIdForTrace(steerTraceId ?? traceId);
-    const agentMessageId = workbenchAgentMessageIdForTrace(traceId);
+    const userMessageId = workbenchMessageIdForTrace(steerTraceId ?? traceId, "user");
+    const agentMessageId = workbenchMessageIdForTrace(traceId, "agent");
     const sessionId = composer.value.sessionId;
-    if (realtimeCapabilities.liveKafkaSse && liveRealtimeReadySessionId.value !== sessionId) {
-      error.value = "realtime_connecting";
-      restartRealtime("submit-readiness");
-      return false;
-    }
     const threadId = composer.value.threadId;
     const providerThreadId = providerThreadIdForRequest(threadId);
     const submittedAt = new Date().toISOString();
@@ -820,7 +659,6 @@ export const useWorkbenchStore = defineStore("workbench", () => {
         status: "running"
       };
       void readTraceEventsForMessages(messages.value);
-      scheduleSessionListRefresh(sessionId, runtimePolicy.sessionListTerminalRefreshDelayMs);
       restartRealtime("steer");
       return true;
     }
@@ -842,7 +680,6 @@ export const useWorkbenchStore = defineStore("workbench", () => {
     };
     applyTurnStatusSnapshot(canonicalTraceId, response.data);
     publishWorkbenchProjectionSignal(sessionId, canonicalTraceId, "submit-admitted");
-    scheduleSessionListRefresh(sessionId, runtimePolicy.sessionListTerminalRefreshDelayMs);
     if (turnResultIsTerminalForMerge(response.data as AgentChatResultResponse)) {
       completeTrace(canonicalTraceId, response.data as AgentChatResultResponse);
       return true;
@@ -864,7 +701,6 @@ export const useWorkbenchStore = defineStore("workbench", () => {
     if (message.status === "running") chatPending.value = false;
     currentRequest.value = null;
     void clearActiveTrace(traceId, "cancel-agent-message");
-    scheduleSessionListRefresh(sessionId, runtimePolicy.sessionListTerminalRefreshDelayMs);
   }
 
   async function cancelRunningTrace(): Promise<void> {
@@ -966,13 +802,6 @@ export const useWorkbenchStore = defineStore("workbench", () => {
     return fetchWorkbenchTraceEvents(traceId, afterProjectedSeq, shouldUseActivityTimeoutForTrace(traceId), { force: options.force });
   }
 
-  function readTerminalTraceDetailGaps(source: ChatMessage[], reason: string): void {
-    // Terminal trace rows are loaded on explicit force/detail paths. Auto-filling
-    // historical terminal traces makes multi-turn Workbench sessions main-thread bound.
-    void source;
-    void reason;
-  }
-
   async function readTraceEventsForMessages(source: ChatMessage[] = messages.value, options: { force?: boolean } = {}): Promise<void> {
     const candidates = traceDetailReadCandidates(source);
     if (options.force !== true) {
@@ -1128,10 +957,8 @@ export const useWorkbenchStore = defineStore("workbench", () => {
     void reason;
     const realtimeScopeKey = workbenchRealtimeScopeKey(sessionId, traceId);
     const scopeChanged = realtimeTransport.currentKey() !== realtimeScopeKey;
-    if (realtimeCapabilities.liveKafkaSse && scopeChanged) liveRealtimeReadySessionId.value = null;
     if (debugCapabilities.rawHwlabEventWindow.enabled && scopeChanged) rawHwlabIngress.value = createRawHwlabIngressState(realtimeScopeKey);
     realtimeTransport.restart({
-      realtimeCapabilities,
       sessionId,
       traceId,
       forceReconnect,
@@ -1142,31 +969,8 @@ export const useWorkbenchStore = defineStore("workbench", () => {
       onIngress: debugCapabilities.rawHwlabEventWindow.enabled
         ? (frame) => { rawHwlabIngress.value = appendRawHwlabIngressFrame(rawHwlabIngress.value, frame, debugCapabilities.rawHwlabEventWindow); }
         : undefined,
-      onOpen: () => undefined,
-      onError: () => {
-        if (realtimeCapabilities.liveKafkaSse) liveRealtimeReadySessionId.value = null;
-      },
-      onState: (state) => {
-        if (realtimeCapabilities.liveKafkaSse && ["connecting", "error", "closed", "blocked"].includes(state.phase)) liveRealtimeReadySessionId.value = null;
-      },
       onRecovery: (recovery) => handleRealtimeRecovery(recovery),
-      onEvent: (event, eventName) => {
-        if (realtimeCapabilities.liveKafkaSse && eventName === "workbench.connected") {
-          const filters = recordValue(event.filters);
-          const connectedSessionId = normalizeWorkbenchSessionId(filters?.sessionId);
-          const refreshReplay = realtimeCapabilities.kafkaRefreshReplay;
-          const deliveryValid = refreshReplay
-            ? event.deliverySemantics === "kafka-retention-then-live" && event.liveOnly === false && event.replay === true && event.lossPossible === false
-            : event.deliverySemantics === "live-only" && event.liveOnly === true && event.replay === false;
-          const valid = deliveryValid
-            && event.capabilities?.liveKafkaSse === true
-            && event.capabilities?.kafkaRefreshReplay === refreshReplay
-            && connectedSessionId === sessionId;
-          liveRealtimeReadySessionId.value = valid ? connectedSessionId : null;
-          if (!valid) error.value = "workbench_live_realtime_contract_invalid";
-        }
-        applyRealtimeEvent(event, eventName);
-      }
+      onEvent: (event, eventName) => applyRealtimeEvent(event, eventName)
     });
   }
 
@@ -1193,13 +997,11 @@ export const useWorkbenchStore = defineStore("workbench", () => {
   }
 
   function stopRealtime(): void {
-    liveRealtimeReadySessionId.value = null;
     realtimeTransport.stop();
   }
 
   function realtimeTraceId(): string | null {
-    return workbenchRealtimeTraceIdForCapabilities(
-      realtimeCapabilities,
+    return workbenchRealtimeTraceId(
       currentRequest.value?.traceId,
       activeTraceIdFromMessages(messages.value, turnStatusAuthority.value)
     );
@@ -1217,7 +1019,7 @@ export const useWorkbenchStore = defineStore("workbench", () => {
     const snapshot = recordValue(event.snapshot);
     const traceEvent = recordValue(event.event);
     const sessionId = firstNonEmptyString(event.hwlabSessionId, event.sessionId, turn?.sessionId, snapshot?.sessionId, traceEvent?.sessionId);
-    return event.schema === "hwlab.event.v1" ? normalizeWorkbenchSessionId(sessionId) : normalizeTraceAuthoritySessionId(sessionId);
+    return normalizeTraceAuthoritySessionId(sessionId);
   }
 
   function traceResultSessionId(result: AgentChatResultResponse | TraceSnapshot | Record<string, unknown> | null | undefined): string | null {
@@ -1284,7 +1086,7 @@ export const useWorkbenchStore = defineStore("workbench", () => {
 
   function applyRealtimeEvent(event: WorkbenchRealtimeEvent, eventName: string): void {
     const reduced = reduceWorkbenchRealtimeEvent(event, eventName);
-    if (workbenchRealtimeEventIsBusinessActivity(event, eventName, realtimeCapabilities.liveKafkaSse)) recordActivity(reduced.activityLabel);
+    recordActivity(reduced.activityLabel);
     applyWorkbenchRealtimeAction(reduced.action);
   }
 
@@ -1340,77 +1142,18 @@ export const useWorkbenchStore = defineStore("workbench", () => {
   function applyRealtimeTraceEvent(traceId: string | null | undefined, event: WorkbenchRealtimeEvent["event"], snapshot: WorkbenchRealtimeEvent["snapshot"], realtimeEvent?: WorkbenchRealtimeEvent | null): void {
     const id = firstNonEmptyString(traceId, event?.traceId, snapshot?.traceId);
     if (!id) return;
-    const liveKafkaEnvelope = workbenchLiveKafkaEnvelope(realtimeEvent?.schema);
     const sessionId = realtimeEvent ? realtimeEventSessionId(realtimeEvent) : traceResultSessionId(snapshot ?? event ?? null);
-    if (!shouldApplyActiveTraceAuthority(id, sessionId, liveKafkaEnvelope)) return;
-    if (traceTerminalBodyIsVisible(id, sessionId) && !liveKafkaEnvelope) {
+    if (!shouldApplyActiveTraceAuthority(id, sessionId)) return;
+    if (traceTerminalBodyIsVisible(id, sessionId)) {
       recordWorkbenchRuntimeDiagnostic({ module: "workbench-terminal-priority", sessionId, traceId: id, outcome: "ok", diagnostic: { code: "terminal_low_priority_sse_trace_skip", source: "realtime-trace-event", valuesRedacted: true } });
       return;
     }
     const events = event ? [event] : Array.isArray(snapshot?.events) ? snapshot.events : [];
     markWorkbenchTraceEventsReceived({ traceId: id, events, transport: "sse", serverSentAt: realtimeEvent?.serverSentAt, eventCreatedAt: realtimeEvent?.eventCreatedAt, traceSeq: realtimeEvent?.traceSeq ?? realtimeEvent?.cursor?.traceSeq });
-    if (liveKafkaEnvelope && event) {
-      applyLiveKafkaBusinessEvent(id, sessionId, event, new Date().toISOString());
-      return;
-    }
     const eventSnapshot = snapshot ?? { traceId: id, status: event?.status, events };
     applyTraceSnapshot(id, realtimeSnapshotToTraceSnapshot(id, eventSnapshot, events));
   }
 
-  function applyLiveKafkaBusinessEvent(traceId: string, authoritySessionId: string | null, event: TraceEvent, receivedAt: string): void {
-    const eventSessionId = firstNonEmptyString(event.sessionId);
-    const ownerSessionId = traceOwnerSessionId(traceId, authoritySessionId ?? eventSessionId, true);
-    if (!ownerSessionId) return;
-    if (workbenchLiveKafkaProjectionTarget(event) === "user") {
-      const messageId = firstNonEmptyString(event.userMessageId, event.messageId);
-      const previousUserMessage = messageId
-        ? (serverState.value.messagesBySessionId[ownerSessionId] ?? []).find((message) => (message.messageId ?? message.id) === messageId) ?? null
-        : null;
-      const userMessage = projectWorkbenchLiveKafkaUserMessage({ previous: previousUserMessage, traceId, sessionId: ownerSessionId, event, receivedAt });
-      if (userMessage) reduceServerState({ type: "message.upsert", sessionId: ownerSessionId, message: userMessage });
-      else error.value = "workbench_live_user_message_invalid";
-      return;
-    }
-    const previousMessage = (serverState.value.messagesBySessionId[ownerSessionId] ?? []).find((message) => messageMatchesTraceAuthority(message, traceId, authoritySessionId ?? eventSessionId, ownerSessionId, true)) ?? null;
-    const message = projectWorkbenchLiveKafkaMessage({
-      previous: previousMessage,
-      traceId,
-      sessionId: ownerSessionId,
-      event,
-      receivedAt
-    });
-    reduceServerState({
-      type: "message.upsert",
-      sessionId: ownerSessionId,
-      message
-    });
-    if (message.runnerTrace) rememberTraceAuthority(message.runnerTrace);
-    markWorkbenchTraceProjected(traceId);
-    const terminal = message.traceAutoLifecycle === "terminal";
-    const status = firstNonEmptyString(message.status) ?? "running";
-    const finalResponse = terminal && message.text ? { text: message.text, status, traceId } : undefined;
-    rememberTurnStatus(traceId, {
-      traceId,
-      sessionId: ownerSessionId,
-      status,
-      running: !terminal,
-      terminal,
-      finalResponse,
-      timing: message.timing,
-      startedAt: message.timing?.startedAt,
-      lastEventAt: message.timing?.lastEventAt,
-      finishedAt: message.timing?.finishedAt,
-      durationMs: message.timing?.durationMs,
-      updatedAt: receivedAt
-    } as AgentChatResultResponse);
-    const existing = sessions.value.find((session) => session.sessionId === ownerSessionId) ?? null;
-    if (existing) rememberSessionList(mergeSessionIntoList(sessions.value, { ...existing, status, lastTraceId: traceId, updatedAt: receivedAt }));
-    if (terminal && currentRequest.value?.traceId === traceId) {
-      chatPending.value = false;
-      currentRequest.value = null;
-    }
-  }
-
   function applyRealtimeTurnSnapshot(turn: Record<string, unknown>): void {
     const traceId = firstNonEmptyString(turn.traceId);
     if (!traceId) return;
@@ -1513,7 +1256,6 @@ export const useWorkbenchStore = defineStore("workbench", () => {
   }
 
   function publishWorkbenchProjectionSignal(sessionId: string | null | undefined, traceId: string | null | undefined, reason: string): void {
-    if (!realtimeCapabilities.projectionRealtime) return;
     if (typeof window === "undefined") return;
     const id = normalizeWorkbenchSessionId(sessionId);
     if (!id) return;
@@ -1523,7 +1265,6 @@ export const useWorkbenchStore = defineStore("workbench", () => {
   }
 
   function handleWorkbenchProjectionSignal(value: unknown): void {
-    if (!realtimeCapabilities.projectionRealtime) return;
     const record = recordValue(value);
     if (!record || record.sourceId === workbenchProjectionSignalSourceId) return;
     if (firstNonEmptyString(record.type) !== "session-projection") return;
@@ -1557,10 +1298,9 @@ export const useWorkbenchStore = defineStore("workbench", () => {
       return { ...message, ...messageTimingPatchForMerge(message, trace), ...messageStatusPatchForTerminalMerge(message, traceStatus, terminal), runnerTrace, error: clearCompletedDiagnostics ? null : error ?? message.error ?? null, projection, projectionStatus: projection?.projectionStatus ?? null, projectionHealth: projection?.projectionHealth ?? null, blocker: projection?.blocker ?? null, updatedAt: new Date().toISOString() };
     }));
     markWorkbenchTraceProjected(traceId);
-    if (!traceProjectionIsTerminalSealed(traceId, serverState.value.messagesBySessionId[ownerSessionId] ?? [])) scheduleSessionListRefresh(ownerSessionId, runtimePolicy.sessionListRealtimeRefreshDelayMs);
   }
 
-  function completeTrace(traceId: string, result: AgentChatResultResponse, options: { forceRead?: boolean } = {}): void {
+  function completeTrace(traceId: string, result: AgentChatResultResponse): void {
     const authoritySessionId = traceResultSessionId(result);
     const ownerSessionId = traceOwnerSessionId(traceId, authoritySessionId);
     if (!ownerSessionId) return;
@@ -1568,25 +1308,12 @@ export const useWorkbenchStore = defineStore("workbench", () => {
     projectTurnAuthorityToMessages(traceId, result, "complete-trace");
     rememberTurnStatus(traceId, result);
     markWorkbenchTraceProjected(traceId);
-    const ownerMessages = serverState.value.messagesBySessionId[ownerSessionId] ?? [];
-    const terminalMessage = latestMessageForTrace(traceId, ownerMessages);
-    if (!traceProjectionIsTerminalSealed(traceId, ownerMessages)) {
-      if (options.forceRead) void refreshMessageProjectionForTrace(ownerSessionId, traceId, { force: true });
-    }
-    if (options.forceRead && terminalMessage && !traceProjectionIsTerminalSealed(traceId, ownerMessages)) void readTraceEventsForMessage(terminalMessage, { force: true });
     if (ownerSessionId === activeSessionId.value) {
       chatPending.value = false;
       currentRequest.value = null;
       void clearActiveTrace(traceId, "trace-terminal");
       restartRealtime("trace-terminal");
     }
-    if (!traceProjectionIsTerminalSealed(traceId, serverState.value.messagesBySessionId[ownerSessionId] ?? [])) scheduleSessionListRefresh(ownerSessionId, runtimePolicy.sessionListTerminalRefreshDelayMs);
-  }
-
-  async function hydrateTerminalMessageDiagnostics(): Promise<void> {
-    const targets = messages.value.filter(messageNeedsTerminalDiagnostics).slice(-6);
-    void targets;
-    void readTraceEventsForMessages(messages.value);
   }
 
   function applyTerminalResultDiagnostics(traceId: string, result: AgentChatResultResponse): void {
@@ -1608,8 +1335,6 @@ export const useWorkbenchStore = defineStore("workbench", () => {
       const projection = clearCompletedDiagnostics ? nonBlockingProjection(resultProjection) : resultProjection ?? (terminal ? null : runnerTrace.projection ?? message.projection ?? null);
       return { ...message, ...messageTimingPatchForMerge(message, result), ...messageStatusPatchForTerminalMerge(message, resultStatus, terminal), title: normalizeWorkbenchMessageTitle(message.role, message.title), runnerTrace, error, projection, projectionStatus: projection?.projectionStatus ?? null, projectionHealth: projection?.projectionHealth ?? null, blocker: projection?.blocker ?? null, agentRun: agentRun ?? undefined, updatedAt: new Date().toISOString() };
     }));
-    void readTraceEventsForMessages(serverState.value.messagesBySessionId[ownerSessionId] ?? []);
-    scheduleSessionListRefresh(ownerSessionId, runtimePolicy.sessionListTerminalRefreshDelayMs);
   }
 
   function applyRealtimeProjectionError(event: WorkbenchRealtimeEvent): void {
@@ -1619,7 +1344,6 @@ export const useWorkbenchStore = defineStore("workbench", () => {
       const code = firstNonEmptyString(errorRecord.code, "workbench_realtime_error") ?? "workbench_realtime_error";
       const phase = firstNonEmptyString(event.phase, errorRecord.phase, "realtime") ?? "realtime";
       const message = firstNonEmptyString(errorRecord.message, errorRecord.summary, "Workbench 实时状态更新异常，最新运行记录暂不可见。") ?? "Workbench 实时状态更新异常，最新运行记录暂不可见。";
-      liveRealtimeReadySessionId.value = null;
       error.value = `${phase} · ${code} · ${message}`;
       return;
     }
@@ -1651,7 +1375,6 @@ export const useWorkbenchStore = defineStore("workbench", () => {
     chatPending.value = false;
     currentRequest.value = null;
     void clearActiveTrace(traceId, "trace-infrastructure-error");
-    scheduleSessionListRefresh(selectedSessionId.value, runtimePolicy.sessionListTerminalRefreshDelayMs);
   }
 
   function projectRejectedAdmissionFailure(input: { traceId: string; message: string; error: ChatMessage["error"]; projection: ProjectionDiagnostic; submittedAt: string }): void {
@@ -1793,12 +1516,6 @@ export const useWorkbenchStore = defineStore("workbench", () => {
     rememberSessionDetail({ ...session, messages: projectedMessages, messageCount: session.messageCount ?? projectedMessages.length });
     sessionsReady.value = true;
     currentRequest.value = null;
-    if (historyAuthorityPolicy.kafkaRetention) {
-      restartRealtime("apply-selected-session:kafka-retention");
-      return;
-    }
-    void hydrateTurnStatusAuthority(messages.value);
-    void hydrateTerminalMessageDiagnostics();
     void readTraceEventsForMessages(messages.value);
     reattachRestoredActiveTrace();
     restartRealtime("apply-selected-session");
@@ -1825,8 +1542,10 @@ export const useWorkbenchStore = defineStore("workbench", () => {
     if (!requestId) return null;
     const normalizedRequestId = normalizeWorkbenchSessionId(requestId);
     const messageLimit = sessionMessageProjectionWindowLimit();
-    const eagerMessages = historyAuthorityPolicy.sessionMessagesHydrate && normalizedRequestId ? fetchSessionMessagesPage(normalizedRequestId, { limit: messageLimit, reason: "load-session:eager", force: true }) : null;
-    const detail = await fetchSessionDetailPage(requestId, { reason: "load-session:detail", force: true });
+    const [detail, messagePage] = await Promise.all([
+      fetchSessionDetailPage(requestId, { reason: "load-session:detail", force: true }),
+      normalizedRequestId ? fetchSessionMessagesPage(normalizedRequestId, { limit: messageLimit, reason: "load-session:messages", force: true }) : Promise.resolve(null)
+    ]);
     if (!detail.ok) return null;
     const detailSession = sessionFromWorkbenchSession(detail.data?.session, { includeMessages: false });
     const id = detailSession?.sessionId ?? normalizedRequestId ?? seed?.sessionId;
@@ -1834,32 +1553,13 @@ export const useWorkbenchStore = defineStore("workbench", () => {
     const fallbackMessages = seed?.sessionId === id ? seed.messages ?? [] : [];
     const base = detailSession ? { ...detailSession, messages: fallbackMessages } : seed;
     if (!base) return null;
-    if (!historyAuthorityPolicy.sessionMessagesHydrate) return { ...base, sessionId: id, messages: [], messageCount: base.messageCount ?? 0 };
-    const messages = eagerMessages && id === normalizedRequestId ? await eagerMessages : await fetchSessionMessagesPage(id, { limit: messageLimit, reason: "load-session", force: true });
-    const page = messages.ok ? messages.data : null;
-    const pageMessages = Array.isArray(page?.messages) ? await sealRestoredActiveTurnMessages(page.messages.map((message) => normalizeChatMessage(message as ChatMessage))) : fallbackMessages;
-    return { ...base, sessionId: id, messages: pageMessages, messageCount: page?.total ?? pageMessages?.length ?? base.messageCount };
-  }
-
-  async function sealRestoredActiveTurnMessages(source: ChatMessage[]): Promise<ChatMessage[]> {
-    const targets = source.filter(messageNeedsRestoredTurnSeal).slice(-1);
-    if (targets.length === 0) return source;
-    for (const message of targets) {
-      const traceId = firstNonEmptyString(message.traceId, message.runnerTrace?.traceId);
-      if (!traceId || traceProjectionIsTerminalSealed(traceId, source)) continue;
-      recordWorkbenchRuntimeDiagnostic({
-        module: "workbench-turn-status",
-        sessionId: message.sessionId ?? message.runnerTrace?.sessionId ?? null,
-        traceId,
-        outcome: "ok",
-        diagnostic: { code: "workbench_restored_turn_auto_read_disabled", reason: "load-session:restored-turn", source: "projection-sse-authority", valuesRedacted: true }
-      });
-    }
-    return source;
+    const hydratedMessages = messagePage?.ok && Array.isArray(messagePage.data?.messages)
+      ? messagePage.data.messages.map((message) => normalizeChatMessage(message as ChatMessage))
+      : fallbackMessages;
+    return { ...base, sessionId: id, messages: hydratedMessages, messageCount: base.messageCount ?? hydratedMessages.length };
   }
 
   function reattachRestoredActiveTrace(): void {
-    void readTraceEventsForMessages(messages.value);
     const traceId = activeTraceIdFromMessages(messages.value, turnStatusAuthority.value);
     if (traceId) reattachTrace(traceId);
   }
@@ -1936,14 +1636,6 @@ function routeSelectedSessionRecord(sessionId: string | null | undefined, loadin
   } as WorkbenchSessionRecord;
 }
 
-function messageNeedsRestoredTurnSeal(message: ChatMessage): boolean {
-  if (message.role !== "agent") return false;
-  if (messageHasTerminalResponse(message)) return false;
-  const traceId = firstNonEmptyString(message.traceId, message.runnerTrace?.traceId);
-  if (!traceId) return false;
-  return isTraceActiveStatus(message.status) || isTerminalMessageStatus(message.status) || message.traceAutoLifecycle === "running";
-}
-
 function providerThreadIdForRequest(threadId: string | null | undefined): string | null {
   const value = firstNonEmptyString(threadId) ?? null;
   if (!value) return null;
diff --git a/web/hwlab-cloud-web/src/types/global.d.ts b/web/hwlab-cloud-web/src/types/global.d.ts
index 3bafc4d3..203fbdcc 100644
--- a/web/hwlab-cloud-web/src/types/global.d.ts
+++ b/web/hwlab-cloud-web/src/types/global.d.ts
@@ -8,11 +8,6 @@ declare global {
         label?: string;
       };
       workbench?: {
-        realtimeFeatures?: {
-          liveKafkaSse?: boolean;
-          kafkaRefreshReplay?: boolean;
-          projectionRealtime?: boolean;
-        };
         debugCapabilities?: {
           isolatedKafka?: boolean;
           rawHwlabEventWindow?: {
@@ -55,16 +50,12 @@ declare global {
           /** @deprecated Use workbenchDetailReadConcurrency. */
           workbenchReadHydrationConcurrency?: number;
           workbenchReadFailureCooldownMs?: number;
-          workbenchTurnStatusMinRefreshMs?: number;
           workbenchTraceEventsMinRefreshMs?: number;
           workbenchSessionDetailMinRefreshMs?: number;
           workbenchSessionMessagesMinRefreshMs?: number;
           workbenchSessionMessagesWindowLimit?: number;
-          workbenchTraceMessagesWindowLimit?: number;
           workbenchRealtimeSessionMessagesMinRefreshMs?: number;
           workbenchTraceEventsTimeoutMs?: number;
-          sessionListRealtimeRefreshDelayMs?: number;
-          sessionListTerminalRefreshDelayMs?: number;
           sessionListMinRefreshIntervalMs?: number;
           workbenchRealtimeErrorSyncReplayMinMs?: number;
           /** @deprecated Use workbenchRealtimeErrorSyncReplayMinMs. */
diff --git a/web/hwlab-cloud-web/src/utils/workbench-realtime-runtime.ts b/web/hwlab-cloud-web/src/utils/workbench-realtime-runtime.ts
index b1eddb6a..771674b5 100644
--- a/web/hwlab-cloud-web/src/utils/workbench-realtime-runtime.ts
+++ b/web/hwlab-cloud-web/src/utils/workbench-realtime-runtime.ts
@@ -1,4 +1,4 @@
 // SPEC: PJ2026-0106050514 Workbench实时运行面 draft-2026-06-30-p0-1297-spec-first.
 // Responsibility: Production Workbench realtime runtime entry point for SSE transport, event coalescing, and scoped cursor ownership.
 
-export { createWorkbenchStreamTransportRuntime, WorkbenchStreamTransportRuntime, workbenchRealtimeTraceIdForCapabilities, type WorkbenchStreamTransportRecovery, type WorkbenchStreamTransportRestartInput, type WorkbenchStreamTransportRestartResult, type WorkbenchStreamTransportState, type WorkbenchRealtimeEvent } from "@/utils/workbench-stream-transport";
+export { createWorkbenchStreamTransportRuntime, WorkbenchStreamTransportRuntime, workbenchRealtimeTraceId, type WorkbenchStreamTransportRecovery, type WorkbenchStreamTransportRestartInput, type WorkbenchStreamTransportRestartResult, type WorkbenchStreamTransportState, type WorkbenchRealtimeEvent } from "@/utils/workbench-stream-transport";
diff --git a/web/hwlab-cloud-web/src/utils/workbench-stream-transport.ts b/web/hwlab-cloud-web/src/utils/workbench-stream-transport.ts
index 39b5ea1d..6417daa9 100644
--- a/web/hwlab-cloud-web/src/utils/workbench-stream-transport.ts
+++ b/web/hwlab-cloud-web/src/utils/workbench-stream-transport.ts
@@ -8,13 +8,11 @@
 // - OpenCode stream.transport.ts:504-530 reduce output/trace.
 
 import { connectWorkbenchEvents, type WorkbenchEventStream, type WorkbenchRealtimeEvent, type WorkbenchSseIngressFrame } from "@/api/workbench-events";
-import type { WorkbenchRealtimeCapabilities } from "@/config/runtime";
 import { workbenchRealtimeScopeKey } from "@/utils/workbench-key";
 
 export type { WorkbenchRealtimeEvent };
 
 export interface WorkbenchStreamTransportRestartInput {
-  realtimeCapabilities: WorkbenchRealtimeCapabilities;
   sessionId?: string | null;
   traceId?: string | null;
   afterSeq?: number | null;
@@ -78,8 +76,7 @@ interface WorkbenchTransportCursor {
   traceSeq: number | null;
 }
 
-export function workbenchRealtimeTraceIdForCapabilities(
-  _capabilities: WorkbenchRealtimeCapabilities,
+export function workbenchRealtimeTraceId(
   ...candidates: Array<string | null | undefined>
 ): string | null {
   for (const candidate of candidates) {
@@ -89,10 +86,6 @@ export function workbenchRealtimeTraceIdForCapabilities(
   return null;
 }
 
-export function workbenchRealtimeTransportEnabled(capabilities: WorkbenchRealtimeCapabilities): boolean {
-  return capabilities.projectionRealtime;
-}
-
 export class WorkbenchStreamTransportRuntime {
   private stream: WorkbenchEventStream | null = null;
   private key = "";
@@ -107,11 +100,9 @@ export class WorkbenchStreamTransportRuntime {
     this.stop();
     this.key = key;
     this.armWait(key);
-    if (!workbenchRealtimeTransportEnabled(input.realtimeCapabilities)) return { key, changed: true, streamStarted: false };
     if (!input.sessionId && !input.traceId) return { key, changed: true, streamStarted: false };
     this.emitState(input, "connecting", null);
     this.stream = connectWorkbenchEvents({
-      realtimeCapabilities: input.realtimeCapabilities,
       sessionId: input.sessionId ?? null,
       traceId: input.traceId ?? null,
       afterSeq: input.afterSeq ?? this.cursorByKey.get(key)?.outboxSeq ?? null,
@@ -202,7 +193,7 @@ export class WorkbenchStreamTransportRuntime {
     const sessionId = input.sessionId ?? null;
     const traceId = input.traceId ?? null;
     const cursor = this.currentCursor(key);
-    const actions: WorkbenchStreamTransportRecoveryAction[] = input.realtimeCapabilities.projectionRealtime && (sessionId || traceId) ? ["events-reconnect"] : [];
+    const actions: WorkbenchStreamTransportRecoveryAction[] = sessionId || traceId ? ["events-reconnect"] : [];
     const diagnostic = this.diagnosticEnvelope("workbench_sse_recovery", reason, key, actions);
     input.onRecovery?.({ key, sessionId, traceId, tick: this.wait?.tick ?? this.tick, reason, actions, outboxSeq: cursor.outboxSeq, traceSeq: cursor.traceSeq, diagnostic });
   }