diff --git a/internal/cloud/code-agent-chat.mjs b/internal/cloud/code-agent-chat.mjs
index 5a794ef8..b9b5426e 100644
--- a/internal/cloud/code-agent-chat.mjs
+++ b/internal/cloud/code-agent-chat.mjs
@@ -13,6 +13,7 @@ import {
 } from "./code-agent-contract.mjs";
 import {
   CODEX_STDIO_BACKEND,
+  CODEX_STDIO_CAPABILITY_LEVEL,
   CODEX_STDIO_IMPLEMENTATION_TYPE,
   CODEX_STDIO_PROVIDER,
   CODEX_STDIO_RUNNER_KIND,
@@ -78,6 +79,19 @@ const READONLY_LIMITATION_FLAGS = Object.freeze([
   "not-write-capable",
   "process-local-session-registry"
 ]);
+const CODEX_STDIO_LIMITATION_FLAGS = Object.freeze([
+  "hardware-control-via-cloud-api-only",
+  "no-direct-gateway-link",
+  "no-direct-box-simu-link",
+  "no-direct-patch-panel-link",
+  "secret-values-redacted"
+]);
+const OPENAI_FALLBACK_LIMITATION_FLAGS = Object.freeze([
+  "openai-responses-fallback",
+  "text-chat-only",
+  "not-workspace-tools",
+  "not-session-runner"
+]);
 const SKIPPED_READONLY_DIRS = new Set([
   ".git",
   ".hg",
@@ -271,12 +285,7 @@ export async function handleCodeAgentChat(params = {}, options = {}) {
       sessionMode: providerResult.sessionMode ?? "provider-text-request",
       sessionReuse: providerResult.sessionReuse ?? null,
       implementationType: providerResult.implementationType ?? OPENAI_FALLBACK_RUNNER_KIND,
-      runnerLimitations: providerResult.runnerLimitations ?? [
-        "text-chat-only",
-        "not-codex-stdio",
-        "not-workspace-tools",
-        "not-session-runner"
-      ],
+      runnerLimitations: providerResult.runnerLimitations ?? [...OPENAI_FALLBACK_LIMITATION_FLAGS],
       codexStdioFeasibility: providerResult.codexStdioFeasibility ?? await inspectCodexStdioFeasibility(options.env ?? process.env, options),
       longLivedSessionGate: providerLongLivedGate,
       toolCalls: Array.isArray(providerResult.toolCalls) ? providerResult.toolCalls : [],
@@ -499,10 +508,15 @@ export async function describeCodeAgentAvailability(env = process.env, options =
     sessionRegistry
   });
   const codexStdio = await inspectCodexStdioFeasibility(env, options);
+  const codexStdioReady = codexStdioLongLivedReady(codexStdio);
+  const codexStdioActive = providerPlan.mode !== "openai" && codexStdioReady;
+  const activeRunnerAvailability = codexStdioActive
+    ? codexStdioRunnerAvailability(codexStdio)
+    : runnerAvailability;
   const blocked = providerPlan.mode === "openai"
     ? !providerContract.ready
     : providerPlan.mode === "codex-stdio"
-      ? !codexStdio.ready
+      ? !codexStdioReady
       : missingEnv.length > 0;
   const fallbackAvailability = {
     provider: providerPlan.provider,
@@ -520,29 +534,29 @@ export async function describeCodeAgentAvailability(env = process.env, options =
     safety: providerContract.safety
   };
   const longLivedGate = longLivedSessionGate({
-    provider: codexStdio.ready ? CODEX_STDIO_PROVIDER : runnerAvailability.provider,
-    runnerKind: codexStdio.ready ? CODEX_STDIO_RUNNER_KIND : runnerAvailability.kind,
-    sessionMode: codexStdio.ready ? CODEX_STDIO_SESSION_MODE : READONLY_SESSION_MODE,
-    implementationType: codexStdio.ready ? CODEX_STDIO_IMPLEMENTATION_TYPE : READONLY_IMPLEMENTATION_TYPE,
+    provider: codexStdioActive ? CODEX_STDIO_PROVIDER : runnerAvailability.provider,
+    runnerKind: codexStdioActive ? CODEX_STDIO_RUNNER_KIND : runnerAvailability.kind,
+    sessionMode: codexStdioActive ? CODEX_STDIO_SESSION_MODE : READONLY_SESSION_MODE,
+    implementationType: codexStdioActive ? CODEX_STDIO_IMPLEMENTATION_TYPE : READONLY_IMPLEMENTATION_TYPE,
     codexStdioFeasibility: codexStdio
   });
-  const agentKind = codexStdio.ready
+  const agentKind = codexStdioActive
     ? "codex-stdio-feasible"
     : runnerAvailability.ready
       ? "controlled-readonly-session-registry"
       : blocked
         ? "openai-fallback-blocked"
         : "openai-fallback";
-  const capabilityStatus = codexStdio.ready
+  const capabilityStatus = codexStdioActive
     ? "codex-stdio-feasible"
     : runnerAvailability.ready
       ? "controlled-readonly-session-registry"
       : blocked
         ? "blocked"
         : "openai-fallback";
-  const codeAgentReady = codexStdio.ready;
-  const status = codexStdio.ready ? "codex-stdio-feasible" : blocked && !runnerAvailability.ready ? "blocked" : "partial";
-  const capabilityLevel = codexStdio.ready
+  const codeAgentReady = codexStdioActive;
+  const status = codexStdioActive ? "codex-stdio-feasible" : blocked && !runnerAvailability.ready ? "blocked" : "partial";
+  const capabilityLevel = codexStdioActive
     ? "long-lived-codex-stdio-session"
     : runnerAvailability.ready
       ? READONLY_SESSION_CAPABILITY_LEVEL
@@ -585,7 +599,7 @@ export async function describeCodeAgentAvailability(env = process.env, options =
       "error.missingEnv",
       "availability.status"
     ],
-    runner: runnerAvailability,
+    runner: activeRunnerAvailability,
     fallback: fallbackAvailability,
     codexStdio,
     status,
@@ -601,10 +615,14 @@ export async function describeCodeAgentAvailability(env = process.env, options =
     egress: providerContract.egress,
     safety: providerContract.safety,
     capabilityLevel,
-    sessionRegistry: runnerAvailability.sessionRegistry,
-    sessionMode: runnerAvailability.sessionMode,
-    implementationType: runnerAvailability.implementationType,
-    runnerLimitations: runnerAvailability.runnerLimitations,
+    workspace: activeRunnerAvailability.workspace,
+    sandbox: activeRunnerAvailability.sandbox,
+    session: activeRunnerAvailability.sessionRegistry?.recentSessions?.[0] ?? null,
+    sessionStatus: activeRunnerAvailability.sessionRegistry?.recentSessions?.[0]?.status ?? null,
+    sessionRegistry: activeRunnerAvailability.sessionRegistry ?? runnerAvailability.sessionRegistry,
+    sessionMode: activeRunnerAvailability.sessionMode,
+    implementationType: activeRunnerAvailability.implementationType,
+    runnerLimitations: activeRunnerAvailability.runnerLimitations,
     codexStdioFeasibility: codexStdio,
     longLivedSessionGate: longLivedGate,
     blockers: [
@@ -632,6 +650,78 @@ function fallbackBlockerForPlan({ providerPlan, providerContract, codexStdio })
   return "凭证缺口";
 }
 
+function codexStdioLongLivedReady(codexStdio = {}) {
+  return Boolean(
+    (codexStdio.ready === true || codexStdio.canStartLongLivedCodexStdio === true) &&
+    codexStdio.commandProbe?.ready === true
+  );
+}
+
+function codexStdioRunnerAvailability(codexStdio = {}) {
+  const workspace = codexStdio.workspace ?? repoRoot;
+  const sandbox = codexStdio.sandbox ?? "workspace-write";
+  return {
+    kind: CODEX_STDIO_RUNNER_KIND,
+    backend: CODEX_STDIO_BACKEND,
+    provider: CODEX_STDIO_PROVIDER,
+    workspace,
+    sandbox,
+    mode: CODEX_STDIO_SESSION_MODE,
+    sessionMode: CODEX_STDIO_SESSION_MODE,
+    session: CODEX_STDIO_SESSION_MODE,
+    status: "available",
+    ready: true,
+    capabilityLevel: CODEX_STDIO_CAPABILITY_LEVEL,
+    implementationType: CODEX_STDIO_IMPLEMENTATION_TYPE,
+    longLivedSession: true,
+    durableSession: true,
+    durable: true,
+    codexStdio: true,
+    writeCapable: true,
+    readOnly: false,
+    runnerLimitations: [...CODEX_STDIO_LIMITATION_FLAGS],
+    codexStdioFeasibility: codexStdio,
+    longLivedSessionGate: longLivedSessionGate({
+      provider: CODEX_STDIO_PROVIDER,
+      runnerKind: CODEX_STDIO_RUNNER_KIND,
+      sessionMode: CODEX_STDIO_SESSION_MODE,
+      implementationType: CODEX_STDIO_IMPLEMENTATION_TYPE,
+      codexStdioFeasibility: codexStdio
+    }),
+    sessionRegistry: codexStdioSessionRegistrySummary(codexStdio),
+    safety: {
+      secretsRead: false,
+      secretValuesPrinted: false,
+      kubeconfigRead: false,
+      hardwareControlViaCloudApiOnly: true,
+      directGatewayCallsAllowed: false,
+      directBoxSimuCallsAllowed: false,
+      directPatchPanelCallsAllowed: false,
+      m3m4m5AcceptanceClaimsAllowed: false
+    }
+  };
+}
+
+function codexStdioSessionRegistrySummary(codexStdio = {}) {
+  return {
+    kind: "codex-stdio-session-registry",
+    implementationType: CODEX_STDIO_IMPLEMENTATION_TYPE,
+    status: "available",
+    sessionCount: codexStdio.sessionLifecycle?.activeSessions ?? codexStdio.lifecycleSupervisor?.activeSessions ?? null,
+    maxSessions: codexStdio.sessionLifecycle?.maxSessions ?? codexStdio.lifecycleSupervisor?.maxSessions ?? null,
+    idleTimeoutMs: codexStdio.sessionLifecycle?.idleTimeoutMs ?? codexStdio.lifecycleSupervisor?.idleTimeoutMs ?? null,
+    statuses: ["creating", "ready", "busy", "idle", "interrupted", "expired", "failed"],
+    sessionMode: CODEX_STDIO_SESSION_MODE,
+    recentSessions: Array.isArray(codexStdio.recentSessions) ? codexStdio.recentSessions : [],
+    longLivedCodexStdio: true,
+    longLivedSession: true,
+    durable: true,
+    codexStdio: true,
+    secretMaterialStored: false,
+    valuesRedacted: true
+  };
+}
+
 function primaryCodeAgentBlocker({ blocked, providerContract, providerPlan, codexStdio, runnerAvailability }) {
   if (codexStdio.blockers?.length > 0) return codexStdio.blockers[0].summary;
   if (blocked && !runnerAvailability.ready) return providerPlan.mode === "openai" ? providerContract.blocker : "凭证缺口";
@@ -2844,12 +2934,7 @@ function openAiFallbackRunnerEvidence({ providerResult, traceId, conversationId,
       codexRunner: false,
       reason: "OpenAI Responses fallback is text chat only and cannot satisfy the Codex runner capability gate."
     },
-    runnerLimitations: [
-      "text-chat-only",
-      "not-codex-stdio",
-      "not-workspace-tools",
-      "not-session-runner"
-    ],
+    runnerLimitations: [...OPENAI_FALLBACK_LIMITATION_FLAGS],
     traceId
   };
 }
@@ -2899,12 +2984,7 @@ async function callOpenAiResponses({ providerPlan, message, conversationId, trac
       usage: null,
       capabilityLevel: "text-chat-only",
       implementationType: OPENAI_FALLBACK_RUNNER_KIND,
-      runnerLimitations: [
-        "text-chat-only",
-        "not-codex-stdio",
-        "not-workspace-tools",
-        "not-session-runner"
-      ],
+      runnerLimitations: [...OPENAI_FALLBACK_LIMITATION_FLAGS],
       providerTrace: {
         fallbackUsed: true,
         fallbackKind: OPENAI_FALLBACK_RUNNER_KIND,
diff --git a/internal/cloud/code-agent-session-registry.test.mjs b/internal/cloud/code-agent-session-registry.test.mjs
index ba70c8c9..d4abb9a0 100644
--- a/internal/cloud/code-agent-session-registry.test.mjs
+++ b/internal/cloud/code-agent-session-registry.test.mjs
@@ -389,6 +389,13 @@ test("OpenAI fallback and codex one-shot do not pass the long-lived session gate
   assert.equal(fallback.status, "completed");
   assert.equal(fallback.runner.kind, "openai-responses-fallback");
   assert.equal(fallback.capabilityLevel, "text-chat-only");
+  assert.deepEqual(fallback.runnerLimitations, [
+    "openai-responses-fallback",
+    "text-chat-only",
+    "not-workspace-tools",
+    "not-session-runner"
+  ]);
+  assert.equal(fallback.runnerLimitations.includes("not-codex-stdio"), false);
   assert.equal(fallback.blocker.code, "text_chat_only_fallback");
   assert.equal(fallback.blocker.layer, "provider");
   assert.equal(fallback.blocker.retryable, false);
@@ -1388,6 +1395,10 @@ test("repo-owned Codex stdio manager creates and reuses long-lived sessions with
   assert.equal(first.capabilityLevel, "long-lived-codex-stdio-session");
   assert.equal(first.longLivedSessionGate.status, "pass");
   assert.equal(first.longLivedSessionGate.pass, true);
+  assert.deepEqual(first.runnerLimitations, ["hardware-control-via-cloud-api-only", "secret-values-redacted"]);
+  assert.equal(first.runnerLimitations.includes("not-codex-stdio"), false);
+  assert.equal(first.runnerLimitations.includes("not-write-capable"), false);
+  assert.equal(first.runnerLimitations.includes("process-local-session-registry"), false);
   assert.equal(classifyCodexRunnerCapability(first, { httpStatus: 200 }).capabilityPass, true);
 
   const second = await handleCodeAgentChat(
@@ -1404,8 +1415,13 @@ test("repo-owned Codex stdio manager creates and reuses long-lived sessions with
   );
   assert.equal(second.status, "completed");
   assert.equal(second.sessionId, first.sessionId);
+  assert.equal(second.conversationId, first.conversationId);
   assert.equal(second.sessionReuse.reused, true);
   assert.equal(second.sessionReuse.turn, 2);
+  assert.equal(second.runnerTrace.sessionId, first.sessionId);
+  assert.equal(second.runnerTrace.sessionReused, true);
+  assert.equal(second.workspace, first.workspace);
+  assert.equal(second.sandbox, first.sandbox);
   assert.equal(second.toolCalls[0].name, "codex-reply");
   assert.equal(second.reply.content, "second stdio reply");
   assert.equal(calls[0].name, "codex");
diff --git a/internal/cloud/server.test.mjs b/internal/cloud/server.test.mjs
index bd861b71..d89a97ad 100644
--- a/internal/cloud/server.test.mjs
+++ b/internal/cloud/server.test.mjs
@@ -1811,6 +1811,61 @@ test("OpenAI fallback text chat does not satisfy Codex stdio capability gate", a
   }
 });
 
+test("cloud api health does not pass long-lived session gate for explicit OpenAI fallback even if Codex stdio is feasible", async () => {
+  const workspace = await mkdtemp(path.join(os.tmpdir(), "hwlab-agent-openai-health-"));
+  const codexHome = await mkdtemp(path.join(os.tmpdir(), "hwlab-agent-openai-health-codex-home-"));
+  const server = createCloudApiServer({
+    env: {
+      PATH: process.env.PATH,
+      CODEX_HOME: codexHome,
+      HWLAB_CODE_AGENT_CODEX_WORKSPACE: workspace,
+      HWLAB_CODE_AGENT_PROVIDER: "openai",
+      HWLAB_CODE_AGENT_MODEL: "gpt-test",
+      OPENAI_API_KEY: "test-openai-key-material",
+      HWLAB_CODE_AGENT_OPENAI_BASE_URL: "http://127.0.0.1:65535/v1/responses"
+    },
+    codexStdioManager: {
+      describe() {
+        return codexStdioReadyFixture({ workspace, codexHome });
+      },
+      async probe() {
+        return codexStdioReadyFixture({ workspace, codexHome });
+      },
+      async chat(params = {}) {
+        return codexStdioChatFixture({ workspace, codexHome, params });
+      },
+      cancel() {},
+      reapIdle() {}
+    }
+  });
+  await new Promise((resolve) => server.listen(0, "127.0.0.1", resolve));
+
+  try {
+    const { port } = server.address();
+    const response = await fetch(`http://127.0.0.1:${port}/health/live`);
+    assert.equal(response.status, 200);
+    const payload = await response.json();
+    assert.equal(payload.codeAgent.provider, "openai-responses");
+    assert.equal(payload.codeAgent.mode, "openai");
+    assert.equal(payload.codeAgent.ready, false);
+    assert.equal(payload.codeAgent.capabilityLevel, "read-only-session-tools");
+    assert.equal(payload.codeAgent.runner.kind, "hwlab-readonly-runner");
+    assert.equal(payload.codeAgent.runner.codexStdio, false);
+    assert.equal(payload.codeAgent.longLivedSessionGate.status, "blocked");
+    assert.equal(payload.readiness.sessionRunner.status, "codex_stdio_ready");
+    assert.equal(payload.readiness.codeAgent.ready, false);
+    assert.equal(payload.readiness.codeAgent.provider.provider, "openai-responses");
+    assert.equal(payload.readiness.codeAgent.sessionRunner.codexStdio, true);
+    assert.equal(JSON.stringify(payload.codeAgent).includes("test-openai-key-material"), false);
+  } finally {
+    await new Promise((resolve, reject) => {
+      server.close((error) => (error ? reject(error) : resolve()));
+    });
+    await rm(workspace, { recursive: true, force: true });
+    await rm(codexHome, { recursive: true, force: true });
+  }
+});
+
 test("cloud api /v1/agent/chat parse and params errors use structured blocker envelope", async () => {
   const server = createCloudApiServer({
     env: {
@@ -1934,6 +1989,83 @@ test("cloud api /v1/agent/chat runs Codex stdio pwd with session and workspace e
   }
 });
 
+test("cloud api health reports Codex stdio runner facts without readonly limitations", async () => {
+  const workspace = await mkdtemp(path.join(os.tmpdir(), "hwlab-agent-health-stdio-"));
+  const codexHome = await mkdtemp(path.join(os.tmpdir(), "hwlab-agent-health-codex-home-"));
+  const server = createCloudApiServer({
+    env: {
+      PATH: process.env.PATH,
+      CODEX_HOME: codexHome,
+      HWLAB_CODE_AGENT_CODEX_WORKSPACE: workspace,
+      HWLAB_CODE_AGENT_PROVIDER: "codex-stdio",
+      HWLAB_CODE_AGENT_MODEL: "gpt-test",
+      OPENAI_API_KEY: "test-openai-key-material",
+      HWLAB_CODE_AGENT_OPENAI_BASE_URL: "http://127.0.0.1:65535/v1/responses"
+    },
+    codexStdioManager: {
+      describe() {
+        return codexStdioReadyFixture({ workspace, codexHome });
+      },
+      async probe() {
+        return codexStdioReadyFixture({ workspace, codexHome });
+      },
+      async chat(params = {}) {
+        return codexStdioChatFixture({ workspace, codexHome, params });
+      },
+      cancel() {},
+      reapIdle() {}
+    }
+  });
+  await new Promise((resolve) => server.listen(0, "127.0.0.1", resolve));
+
+  try {
+    const { port } = server.address();
+    const response = await fetch(`http://127.0.0.1:${port}/health/live`);
+    assert.equal(response.status, 200);
+    const payload = await response.json();
+    assert.equal(payload.codeAgent.status, "codex-stdio-feasible");
+    assert.equal(payload.codeAgent.ready, true);
+    assert.equal(payload.codeAgent.provider, "codex-stdio");
+    assert.equal(payload.codeAgent.runner.kind, "codex-mcp-stdio-runner");
+    assert.equal(payload.codeAgent.runner.sessionMode, "codex-mcp-stdio-long-lived");
+    assert.equal(payload.codeAgent.runner.codexStdio, true);
+    assert.equal(payload.codeAgent.runner.writeCapable, true);
+    assert.equal(payload.codeAgent.runner.durableSession, true);
+    assert.equal(payload.codeAgent.workspace, workspace);
+    assert.equal(payload.codeAgent.sandbox, "workspace-write");
+    assert.equal(payload.codeAgent.sessionMode, "codex-mcp-stdio-long-lived");
+    assert.equal(payload.codeAgent.sessionRegistry.kind, "codex-stdio-session-registry");
+    assert.deepEqual(payload.codeAgent.sessionRegistry.statuses, ["creating", "ready", "busy", "idle", "interrupted", "expired", "failed"]);
+    assert.equal(payload.codeAgent.capabilityLevel, "long-lived-codex-stdio-session");
+    assert.equal(payload.codeAgent.longLivedSessionGate.status, "pass");
+    assert.equal(payload.readiness.sessionRunner.status, "codex_stdio_ready");
+    assert.equal(payload.readiness.sessionRunner.kind, "codex-mcp-stdio-runner");
+    assert.equal(payload.readiness.sessionRunner.codexStdio, true);
+    assert.equal(payload.readiness.sessionRunner.writeCapable, true);
+    assert.equal(payload.readiness.sessionRunner.capabilityLevel, "long-lived-codex-stdio-session");
+    assert.equal(payload.readiness.codeAgent.sessionRunner.codexStdio, true);
+    assert.equal(payload.readiness.codeAgent.sessionRunner.writeCapable, true);
+    assert.deepEqual(payload.codeAgent.runnerLimitations, [
+      "hardware-control-via-cloud-api-only",
+      "no-direct-gateway-link",
+      "no-direct-box-simu-link",
+      "no-direct-patch-panel-link",
+      "secret-values-redacted"
+    ]);
+    const serialized = JSON.stringify(payload.codeAgent);
+    assert.equal(serialized.includes("not-codex-stdio"), false);
+    assert.equal(serialized.includes("not-write-capable"), false);
+    assert.equal(serialized.includes("process-local-session-registry"), false);
+    assert.equal(serialized.includes("test-openai-key-material"), false);
+  } finally {
+    await new Promise((resolve, reject) => {
+      server.close((error) => (error ? reject(error) : resolve()));
+    });
+    await rm(workspace, { recursive: true, force: true });
+    await rm(codexHome, { recursive: true, force: true });
+  }
+});
+
 test("cloud api /v1/agent/chat runs Codex stdio pwd through controlled command path without OpenAI fallback", async () => {
   const workspace = await mkdtemp(path.join(os.tmpdir(), "hwlab-agent-stdio-pwd-"));
   const codexHome = path.join(workspace, "codex-home");
diff --git a/web/hwlab-cloud-web/code-agent-status.mjs b/web/hwlab-cloud-web/code-agent-status.mjs
index 15c8db45..f9a220eb 100644
--- a/web/hwlab-cloud-web/code-agent-status.mjs
+++ b/web/hwlab-cloud-web/code-agent-status.mjs
@@ -276,10 +276,18 @@ function hasBlockingSkillCliSignal(payload) {
 
 function isLongLivedReady(payload) {
   return (
-    payload.longLivedSessionGate?.status === "pass" ||
-    payload.longLivedSessionGate?.pass === true ||
-    payload.codexStdioFeasibility?.canStartLongLivedCodexStdio === true ||
-    payload.capabilityLevel === "long-lived-codex-stdio-session" ||
+    (
+      payload.longLivedSessionGate?.status === "pass" ||
+      payload.longLivedSessionGate?.pass === true ||
+      payload.codexStdioFeasibility?.canStartLongLivedCodexStdio === true
+    ) &&
+    (
+      payload.provider === "codex-stdio" ||
+      payload.runner?.kind === "codex-mcp-stdio-runner" ||
+      payload.runner?.codexStdio === true ||
+      payload.session?.codexStdio === true
+    ) &&
+    payload.capabilityLevel === "long-lived-codex-stdio-session" &&
     payload.sessionMode === "codex-mcp-stdio-long-lived"
   ) && payload.status !== "failed" && payload.status !== "blocked" && payload.ready !== false;
 }
diff --git a/web/hwlab-cloud-web/code-agent-status.test.mjs b/web/hwlab-cloud-web/code-agent-status.test.mjs
index 4d5f3013..874e3fb4 100644
--- a/web/hwlab-cloud-web/code-agent-status.test.mjs
+++ b/web/hwlab-cloud-web/code-agent-status.test.mjs
@@ -52,6 +52,34 @@ test("summarizes long-lived Code Agent as green with current deployment revision
   assert.equal(Object.keys(summary.fields).includes("sourceMain"), false);
 });
 
+test("does not mark Codex stdio-shaped fields green without runner and gate evidence", () => {
+  const summary = classifyCodeAgentStatusSummary({
+    availability: {
+      status: "partial",
+      ready: true,
+      provider: "openai-responses",
+      mode: "openai",
+      backend: "hwlab-cloud-api/openai-responses",
+      capabilityLevel: "long-lived-codex-stdio-session",
+      sessionMode: "codex-mcp-stdio-long-lived",
+      runner: {
+        kind: "openai-responses-fallback",
+        codexStdio: false,
+        writeCapable: false
+      },
+      longLivedSessionGate: {
+        status: "blocked",
+        pass: false,
+        blockers: [{ code: "openai_responses_fallback_not_session" }]
+      }
+    }
+  });
+
+  assert.notEqual(summary.kind, "long-lived-session");
+  assert.notEqual(summary.tone, "ok");
+  assert.equal(summary.readinessBlockers.includes("openai_responses_fallback_not_session"), true);
+});
+
 test("maps degraded readonly session tools to warning, not green", () => {
   const summary = classifyCodeAgentStatusSummary({
     availability: {
diff --git a/web/hwlab-cloud-web/live-status.mjs b/web/hwlab-cloud-web/live-status.mjs
index 3375d1f9..9c375227 100644
--- a/web/hwlab-cloud-web/live-status.mjs
+++ b/web/hwlab-cloud-web/live-status.mjs
@@ -397,7 +397,7 @@ function classifyStructuredCodeAgentProbe(readiness = {}) {
   const provider = readiness.provider?.provider ?? "not_observed";
   const backend = readiness.provider?.backend ?? "not_observed";
   const capability = readiness.sessionRunner?.capabilityLevel ?? "not_observed";
-  if (readiness.ready === true && readiness.codexStdioFeasible === true) {
+  if (structuredCodexStdioReady(readiness)) {
     return passProbe({
       serviceId,
       apiPath,
@@ -425,6 +425,17 @@ function classifyStructuredCodeAgentProbe(readiness = {}) {
   });
 }
 
+function structuredCodexStdioReady(readiness = {}) {
+  return Boolean(
+    readiness.sessionRunnerReady === true &&
+    readiness.codexStdioFeasible === true &&
+    readiness.sessionRunner?.codexStdio === true &&
+    readiness.sessionRunner?.writeCapable === true &&
+    readiness.sessionRunner?.longLivedSession === true &&
+    readiness.sessionRunner?.capabilityLevel === "long-lived-codex-stdio-session"
+  );
+}
+
 function currentStructuredBlockers(readiness = {}) {
   return Array.isArray(readiness.currentBlockers)
     ? readiness.currentBlockers.filter(Boolean)
diff --git a/web/hwlab-cloud-web/scripts/live-status-contract.test.mjs b/web/hwlab-cloud-web/scripts/live-status-contract.test.mjs
index 35bc28a8..0ffd7e89 100644
--- a/web/hwlab-cloud-web/scripts/live-status-contract.test.mjs
+++ b/web/hwlab-cloud-web/scripts/live-status-contract.test.mjs
@@ -789,6 +789,120 @@ test("keeps ready durable runtime green while attributing read-only mode to Code
   assert.doesNotMatch(healthLiveProbe.reason, /blocked/u);
 });
 
+test("classifies Codex stdio session facts as pass even when unrelated runtime durability is blocked", () => {
+  const status = classifyWorkbenchLiveStatus({
+    healthLive: {
+      ok: true,
+      status: 200,
+      data: {
+        serviceId: "hwlab-cloud-api",
+        status: "degraded",
+        ready: false,
+        readiness: {
+          status: "degraded",
+          ready: false,
+          durability: {
+            status: "blocked",
+            ready: false,
+            blocker: "runtime_durable_adapter_query_blocked"
+          },
+          codeAgent: {
+            status: "blocked",
+            ready: false,
+            providerReady: true,
+            durableDbReady: false,
+            sessionRunnerReady: true,
+            codexStdioFeasible: true,
+            currentBlocker: "runtime_durable_adapter_query_blocked",
+            currentBlockers: ["runtime_durable_adapter_query_blocked"],
+            provider: {
+              status: "ready",
+              ready: true,
+              provider: "codex-stdio",
+              backend: "hwlab-cloud-api/codex-mcp-stdio",
+              mode: "codex-stdio"
+            },
+            sessionRunner: {
+              status: "codex_stdio_ready",
+              ready: true,
+              kind: "codex-mcp-stdio-runner",
+              mode: "codex-mcp-stdio-long-lived",
+              capabilityLevel: "long-lived-codex-stdio-session",
+              longLivedSession: true,
+              durableSession: true,
+              codexStdio: true,
+              writeCapable: true,
+              blocker: null
+            },
+            codexStdio: {
+              status: "ready",
+              ready: true,
+              feasible: true,
+              blocker: null,
+              blockerCodes: []
+            },
+            secretMaterialRead: false,
+            valuesRedacted: true
+          }
+        },
+        codeAgent: {
+          endpoint: "POST /v1/agent/chat",
+          status: "codex-stdio-feasible",
+          ready: true,
+          provider: "codex-stdio",
+          backend: "hwlab-cloud-api/codex-mcp-stdio",
+          capabilityLevel: "long-lived-codex-stdio-session",
+          sessionMode: "codex-mcp-stdio-long-lived",
+          workspace: "/workspace/hwlab",
+          sandbox: "workspace-write",
+          runner: {
+            kind: "codex-mcp-stdio-runner",
+            sessionMode: "codex-mcp-stdio-long-lived",
+            codexStdio: true,
+            writeCapable: true,
+            durableSession: true
+          },
+          runnerLimitations: [
+            "hardware-control-via-cloud-api-only",
+            "no-direct-gateway-link",
+            "no-direct-box-simu-link",
+            "no-direct-patch-panel-link",
+            "secret-values-redacted"
+          ],
+          longLivedSessionGate: {
+            status: "pass",
+            pass: true
+          },
+          codexStdioFeasibility: {
+            ready: true,
+            canStartLongLivedCodexStdio: true,
+            commandProbe: { ready: true },
+            blockerCodes: []
+          }
+        },
+        runtime: {
+          status: "degraded",
+          durable: true,
+          ready: false,
+          blocker: "runtime_durable_adapter_query_blocked"
+        }
+      }
+    },
+    restIndex: okRest,
+    health: okApi,
+    adapter: okApi,
+    m3Control: okM3Control,
+    m3Status: okM3Status
+  });
+
+  const codeAgentProbe = status.probes.find((probe) => probe.apiPath === "POST /v1/agent/chat");
+  assert.equal(codeAgentProbe.kind, "pass");
+  assert.equal(codeAgentProbe.reasonCode, "codex_stdio_ready");
+  assert.match(codeAgentProbe.reason, /capability=long-lived-codex-stdio-session/u);
+  assert.doesNotMatch(codeAgentProbe.reason, /not-codex-stdio|not-write-capable|process-local-session-registry/u);
+  assert.notEqual(status.reasonCode, "codex_stdio_blocked_readonly_session_available");
+});
+
 test("fixture matrix keeps durable_readiness_ready green and attributes read-only mode to Code Agent", () => {
   const restPayload = {
     serviceId: "hwlab-cloud-api",