import { randomUUID } from "node:crypto";

import { defaultCodeAgentTraceStore } from "./code-agent-trace-store.ts";
import { decorateCodeAgentSession } from "./code-agent-session-lifecycle.ts";
import {
  parsePositiveInteger,
  safeConversationId,
  safeOpaqueId,
  safeSessionId,
  safeTraceId,
  text,
  truthyFlag
} from "./server-http-utils.ts";

const ADAPTER_ID = "agentrun-v01";
const DEFAULT_AGENTRUN_MGR_URL = "http://agentrun-mgr.agentrun-v01.svc.cluster.local:8080";
const DEFAULT_TENANT_ID = "hwlab";
const DEFAULT_PROJECT_ID = "pikasTech/HWLAB";
const DEFAULT_REPO_URL = "http://git-mirror-http.devops-infra.svc.cluster.local/pikasTech/HWLAB.git";
const DEFAULT_RUNNER_NAMESPACE = "agentrun-v01";
const DEFAULT_TIMEOUT_MS = 1_200_000;
const AGENTRUN_BACKEND_PREFIX = ADAPTER_ID;
const AGENTRUN_RUNNER_KIND = "agentrun-v01-shared-runner";
const AGENTRUN_SESSION_MODE = "agentrun-v01-durable-session";
const AGENTRUN_IMPLEMENTATION_TYPE = "agentrun-v01-shared-execution-infra";
const AGENTRUN_CAPABILITY_LEVEL = "agentrun-v01-shared-code-agent-session";
const AGENTRUN_PROVIDER_TRACE_PROTOCOL = "agentrun-v01-jsonrpc";
const AGENTRUN_PROVIDER_TRACE_WIRE_API = "agentrun-v01-command-result";
const AGENTRUN_BACKEND_ALIASES = Object.freeze({ "codex-api": "codex", codex: "codex" });
const AGENTRUN_BACKEND_PROFILE_ID_PATTERN = /^[a-z0-9][a-z0-9-]{0,63}$/u;
const THREAD_CONTINUITY_POLICY = "hwlab-agentrun-v01-reuse-runner-thread";
const SESSION_POLICY_RUN_LOCAL = "hwlab-agentrun-v01-session-runner-reuse";
const TERMINAL_RUN_STATUSES = new Set(["completed", "failed", "blocked", "cancelled", "canceled"]);
const HWLAB_RESOURCE_GIT_BUNDLES = Object.freeze([
  Object.freeze({ name: "hwlab-tools", subpath: "tools", target_path: "tools" }),
  Object.freeze({ name: "hwlab-agent-skills", subpath: "skills", target_path: ".agents/skills" })
]);
const HWLAB_RESOURCE_PROMPT_REFS = Object.freeze([
  Object.freeze({ name: "hwlab-v02-runtime", path: "internal/agent/prompts/hwlab-v02-runtime.md", inject: "thread-start", required: true })
]);

export function codeAgentAgentRunAdapterEnabled(env = process.env) {
  const value = String(env.HWLAB_CODE_AGENT_ADAPTER ?? env.HWLAB_CODE_AGENT_PROVIDER ?? "").trim().toLowerCase();
  return value === ADAPTER_ID || value === "agentrun" || value === "agentrun-v0.1";
}

export function describeAgentRunAdapterAvailability(env = process.env, options = {}) {
  const params = options.params ?? {};
  const backendProfile = resolveAgentRunBackendProfile(env, params);
  const provider = providerForBackendProfile(backendProfile);
  const backend = `${ADAPTER_ID}/${backendProfile}`;
  const model = modelForBackendProfile(backendProfile, env);
  const blockers = [];
  let managerUrl = null;
  let repoUrl = null;
  let resourceBundleSourceCommit = null;

  try {
    managerUrl = resolveAgentRunManagerUrl(env);
  } catch (error) {
    blockers.push(agentRunAvailabilityBlocker(error, "manager-url"));
  }
  try {
    repoUrl = resolveAgentRunRepoUrl(env);
  } catch (error) {
    blockers.push(agentRunAvailabilityBlocker(error, "repo-url"));
  }
  try {
    resourceBundleSourceCommit = requireAgentRunSourceCommit(env);
  } catch (error) {
    blockers.push(agentRunAvailabilityBlocker(error, "resource-bundle-source-commit"));
  }
  let providerId = null;
  try {
    providerId = resolveAgentRunProviderId(env);
  } catch (error) {
    blockers.push(agentRunAvailabilityBlocker(error, "provider-id"));
  }

  const runnerNamespace = firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_RUNNER_NAMESPACE, env.AGENTRUN_RUNTIME_NAMESPACE, DEFAULT_RUNNER_NAMESPACE);
  const ready = blockers.length === 0 && Boolean(providerId && runnerNamespace && backendProfile && managerUrl && repoUrl);
  const managerHost = hostForUrl(managerUrl);
  const repoHost = hostForUrl(repoUrl);
  const status = ready ? "agentrun-ready" : "blocked";
  const capabilityLevel = ready ? AGENTRUN_CAPABILITY_LEVEL : "blocked";

  return {
    endpoint: "POST /v1/agent/chat",
    adapter: ADAPTER_ID,
    provider,
    model,
    backend,
    infrastructureBackend: backend,
    mode: ADAPTER_ID,
    schema: [
      "conversationId",
      "sessionId",
      "messageId",
      "status",
      "createdAt",
      "updatedAt",
      "traceId",
      "provider",
      "model",
      "backend",
      "infrastructureBackend",
      "agentRun",
      "runner",
      "runnerTrace",
      "session",
      "sessionMode",
      "sessionReuse",
      "threadContinuityPolicy",
      "error.message",
      "error.code"
    ],
    runner: {
      kind: AGENTRUN_RUNNER_KIND,
      adapter: ADAPTER_ID,
      backend,
      provider,
      model,
      namespace: runnerNamespace,
      managerHost,
      repoHost,
      mode: ADAPTER_ID,
      sessionMode: AGENTRUN_SESSION_MODE,
      implementationType: AGENTRUN_IMPLEMENTATION_TYPE,
      status: ready ? "available" : "blocked",
      ready,
      capabilityLevel,
      longLivedSession: ready,
      durableSession: ready,
      durable: ready,
      codexStdio: false,
      delegatedToAgentRun: true,
      writeCapable: ready,
      readOnly: false,
      runnerLimitations: ready ? [] : ["agentrun-adapter-config-blocked"],
      secretMaterialRead: false,
      valuesRedacted: true
    },
    agentRun: {
      adapter: ADAPTER_ID,
      backendProfile,
      providerId,
      runnerNamespace,
      managerUrl,
      managerHost,
      repoUrl,
      repoHost,
      resourceBundleSourceCommit,
      managerConfigured: Boolean(managerUrl),
      repoConfigured: Boolean(repoUrl),
      internalServiceDns: managerHost === "agentrun-mgr.agentrun-v01.svc.cluster.local",
      ready,
      valuesPrinted: false
    },
    status,
    readinessStatus: status,
    agentKind: "agentrun-v01-adapter",
    capabilityStatus: status,
    blocker: ready ? null : blockers[0]?.summary ?? "AgentRun adapter runtime configuration is blocked.",
    reason: ready ? null : blockers[0]?.code ?? "agentrun_adapter_blocked",
    summary: ready
      ? "HWLAB Code Agent delegates execution to AgentRun v0.1 shared infrastructure; hwlab-cloud-api keeps session/trace/API ownership and no longer manages a repo-owned runner control plane."
      : "HWLAB Code Agent is configured for AgentRun v0.1, but the adapter runtime configuration is incomplete or invalid.",
    missingEnv: [],
    secretRefs: [],
    egress: {
      ready,
      mode: "agentrun-managed-provider-egress",
      directPublicOpenAi: false,
      secretMaterialRead: false,
      valuesRedacted: true
    },
    safety: {
      secretsRead: false,
      secretValuesPrinted: false,
      kubeconfigRead: false,
      providerCredentialsDelegatedToAgentRun: true,
      repoOwnedRunnerControlPlane: false,
      valuesRedacted: true
    },
    capabilityLevel,
    workspace: repoUrl,
    sandbox: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_SANDBOX, env.HWLAB_CODE_AGENT_CODEX_SANDBOX, "danger-full-access"),
    session: null,
    sessionStatus: null,
    sessionMode: AGENTRUN_SESSION_MODE,
    implementationType: AGENTRUN_IMPLEMENTATION_TYPE,
    runnerLimitations: ready ? [] : ["agentrun-adapter-config-blocked"],
    longLivedSessionGate: {
      status: ready ? "pass" : "blocked",
      provider,
      runnerKind: AGENTRUN_RUNNER_KIND,
      sessionMode: AGENTRUN_SESSION_MODE,
      implementationType: AGENTRUN_IMPLEMENTATION_TYPE,
      adapter: ADAPTER_ID,
      codexStdio: false,
      delegatedToAgentRun: true,
      blockers,
      secretMaterialRead: false,
      valuesRedacted: true
    },
    blockers,
    blockerCodes: blockers.map((blocker) => blocker.code).filter(Boolean),
    ready,
    partialReady: false
  };
}

export function initialAgentRunChatResult({ params = {}, options = {}, traceId }) {
  const env = options.env ?? process.env;
  const timestamp = nowIso(options.now);
  const backendProfile = resolveAgentRunBackendProfile(env, params);
  return {
    accepted: true,
    status: "running",
    shortConnection: true,
    traceId,
    conversationId: safeConversationId(params.conversationId) || null,
    sessionId: safeSessionId(params.sessionId) || agentRunSessionId(traceId),
    threadId: safeOpaqueId(params.threadId) || null,
    messageId: `msg_${safeTraceId(traceId)?.slice(4) || randomUUID()}`,
    createdAt: timestamp,
    updatedAt: timestamp,
    provider: providerForBackendProfile(backendProfile),
    model: modelForBackendProfile(backendProfile, env),
    backend: backendForBackendProfile(backendProfile),
    infrastructureBackend: `agentrun-v01/${backendProfile}`,
    capabilityLevel: AGENTRUN_CAPABILITY_LEVEL,
    sessionMode: AGENTRUN_SESSION_MODE,
    implementationType: AGENTRUN_IMPLEMENTATION_TYPE,
    threadContinuityPolicy: THREAD_CONTINUITY_POLICY,
    agentRun: {
      adapter: ADAPTER_ID,
      status: "pending-dispatch",
      backendProfile,
      providerId: resolveAgentRunProviderId(env),
      managerUrl: resolveAgentRunManagerUrl(env),
      repoUrl: resolveAgentRunRepoUrl(env),
      resourceBundleSourceCommit: requireAgentRunSourceCommit(env),
      valuesPrinted: false
    },
    valuesPrinted: false
  };
}

export async function submitAgentRunChatTurn({ params = {}, options = {}, traceId, traceStore = defaultCodeAgentTraceStore, results }) {
  const env = options.env ?? process.env;
  const managerUrl = resolveAgentRunManagerUrl(env);
  const backendProfile = resolveAgentRunBackendProfile(env, params);
  const fetchImpl = options.fetchImpl ?? globalThis.fetch;
  const timeoutMs = parsePositiveInteger(env.HWLAB_CODE_AGENT_AGENTRUN_HTTP_TIMEOUT_MS, 20_000);
  const startedAt = nowIso(options.now);
  const ownerApiKey = await resolveOwnerApiKey({ params, options, now: () => nowIso(options.now) });
  const toolCapabilities = await resolveToolCapabilities({ params, options });

  traceStore.ensure(traceId, agentRunTraceMeta(env, params));
  traceStore.append(traceId, {
    type: "request",
    status: "accepted",
    label: "agentrun:request:accepted",
    message: "HWLAB Code Agent request accepted by the AgentRun v0.1 adapter; hwlab-cloud-api will reuse an active runner when the HWLAB session has an active AgentRun reuse window, otherwise it will create run/command/runner-job over the k3s Service DNS.",
    waitingFor: "agentrun-run-reuse-or-create",
    adapter: ADAPTER_ID,
    managerHost: new URL(managerUrl).hostname,
    valuesPrinted: false
  }, agentRunTraceMeta(env, params));

  const reusable = await resolveReusableAgentRun({ params, options, env, managerUrl, fetchImpl, timeoutMs, backendProfile, traceId, traceStore });
  if (reusable?.mapping) {
    try {
      const commandInput = buildAgentRunCommandInput({ params, traceId, backendProfile, sessionId: reusable.sessionId });
      const command = await agentRunJson(fetchImpl, managerUrl, `/api/v1/runs/${encodeURIComponent(reusable.mapping.runId)}/commands`, {
        method: "POST",
        body: commandInput,
        timeoutMs
      });
      const commandId = requiredString(command?.id, "command.id");
      traceStore.append(traceId, {
        type: "backend",
        status: "running",
        label: "agentrun:command:created",
        message: `AgentRun command ${commandId} created on reused run ${reusable.mapping.runId}; hwlab-cloud-api will ensure a runner Job is available for this turn.`,
        runId: reusable.mapping.runId,
        commandId,
        backendProfile,
        waitingFor: "agentrun-runner-job-ensure",
        valuesPrinted: false
      });
      let runnerJob = null;
      try {
        const runnerJobInput = buildAgentRunRunnerJobInput({ env, traceId, commandId, ownerApiKey, toolCapabilities, backendProfile });
        runnerJob = await agentRunJson(fetchImpl, managerUrl, `/api/v1/runs/${encodeURIComponent(reusable.mapping.runId)}/runner-jobs`, {
          method: "POST",
          body: runnerJobInput,
          timeoutMs
        });
      } catch (error) {
        if (!isAgentRunCommandAlreadyClaimed(error)) throw error;
        traceStore.append(traceId, {
          type: "backend",
          status: "running",
          label: "agentrun:runner-job:already-active",
          message: `AgentRun command ${commandId} is already claimed by an active runner; no replacement runner Job is needed for this turn.`,
          errorCode: error?.code ?? "agentrun_command_already_claimed",
          runId: reusable.mapping.runId,
          commandId,
          runnerId: reusable.mapping.runnerId ?? null,
          jobName: reusable.mapping.jobName ?? null,
          namespace: reusable.mapping.namespace ?? null,
          waitingFor: "agentrun-result",
          valuesPrinted: false
        });
      }
      const mapping = agentRunReusedMapping({ previous: reusable.mapping, run: reusable.run, command, runnerJob, traceId, startedAt, backendProfile, managerUrl, env });
      traceStore.append(traceId, {
        type: "backend",
        status: "running",
        label: runnerJob ? "agentrun:runner-job:ensured" : "agentrun:runner-job:reused",
        message: runnerJob
          ? `AgentRun runner Job ${mapping.jobName ?? "unknown"} ensured for reused run ${mapping.runId}; this keeps the persistent session resumable after pod replacement.`
          : `AgentRun runner Job ${mapping.jobName ?? "unknown"} is already active for this HWLAB session turn.`,
        runId: mapping.runId,
        commandId: mapping.commandId,
        attemptId: mapping.attemptId,
        runnerId: mapping.runnerId,
        jobName: mapping.jobName,
        namespace: mapping.namespace,
        waitingFor: "agentrun-result",
        valuesPrinted: false
      });
      return decorateAgentRunRunningResult({ base: initialAgentRunChatResult({ params, options, traceId }), mapping, traceStore, traceId });
    } catch (error) {
      traceStore.append(traceId, {
        type: "backend",
        status: "running",
        label: "agentrun:run:reuse-command-failed",
        message: `AgentRun reused run ${reusable.mapping.runId} rejected the new command; hwlab-cloud-api will create a fresh run/runner Job for this turn.`,
        errorCode: error?.code ?? "agentrun_reuse_command_failed",
        runId: reusable.mapping.runId,
        commandId: reusable.mapping.commandId ?? null,
        waitingFor: "agentrun-run-create",
        valuesPrinted: false
      });
    }
  }

  const baseSessionId = scopedAgentRunSessionIdForParams(params, traceId, backendProfile);
  let sessionId = baseSessionId;
  let sessionReset = false;
  let run, command, runnerJob, mapping;
  for (let attempt = 0; attempt < 2; attempt += 1) {
    if (sessionReset) {
      sessionId = newSessionIdAfterEviction(baseSessionId, traceId);
      const resetParams = { ...params, threadId: null };
      traceStore.append(traceId, {
        type: "backend", status: "running",
        label: "agentrun:session-reset",
        message: "AgentRun session storage was evicted; hwlab-cloud-api is creating a fresh sessionId " + sessionId + " with threadId=null.",
        sessionId, previousSessionId: baseSessionId, backendProfile, waitingFor: "agentrun-run-create", valuesPrinted: false,
      });
    }
    try {
      await ensureAgentRunSessionPersistent({ fetchImpl, managerUrl, sessionId, env, traceId, backendProfile, traceStore });
    } catch (error) {
      if (attempt === 0 && await shouldResetSessionAfterEviction("session-store-evicted", error?.message)) {
        sessionReset = true;
        continue;
      }
      throw error;
    }
    const runInput = buildAgentRunCreateRunInput({ params, env, traceId, backendProfile, sessionId, toolCapabilities });
    run = await agentRunJson(fetchImpl, managerUrl, "/api/v1/runs", { method: "POST", body: runInput, timeoutMs });
    const runId = requiredString(run?.id, "run.id");
    traceStore.append(traceId, {
      type: "backend", status: "running",
      label: "agentrun:run:created",
      message: "AgentRun run " + runId + " created through internal k3s Service DNS.",
      runId, backendProfile, waitingFor: "agentrun-command-create", valuesPrinted: false,
    });
    const commandInput = buildAgentRunCommandInput({ params, traceId, backendProfile, sessionId });
    command = await agentRunJson(fetchImpl, managerUrl, "/api/v1/runs/" + encodeURIComponent(runId) + "/commands", { method: "POST", body: commandInput, timeoutMs });
    const commandId = requiredString(command?.id, "command.id");
    traceStore.append(traceId, {
      type: "backend", status: "running",
      label: "agentrun:command:created",
      message: "AgentRun command " + commandId + " created; hwlab-cloud-api will start a runner Job explicitly without relying on scheduler automation.",
      runId, commandId, backendProfile, waitingFor: "agentrun-runner-job-create", valuesPrinted: false,
    });
    const runnerJobInput = buildAgentRunRunnerJobInput({ env, traceId, commandId, ownerApiKey, toolCapabilities, backendProfile });
    try {
      runnerJob = await agentRunJson(fetchImpl, managerUrl, "/api/v1/runs/" + encodeURIComponent(runId) + "/runner-jobs", { method: "POST", body: runnerJobInput, timeoutMs });
    } catch (error) {
      if (attempt === 0 && await shouldResetSessionAfterEviction("session-store-evicted", error?.message)) {
        sessionReset = true;
        continue;
      }
      throw error;
    }
    mapping = agentRunMapping({ env, managerUrl, backendProfile, run, command, runnerJob, traceId, startedAt, params });
    break;
  }
  traceStore.append(traceId, {
    type: "backend",
    status: "running",
    label: "agentrun:runner-job:created",
    message: `AgentRun runner Job ${mapping.jobName ?? "unknown"} created in namespace ${mapping.namespace ?? DEFAULT_RUNNER_NAMESPACE}.`,
    runId: mapping.runId,
    commandId: mapping.commandId,
    attemptId: mapping.attemptId,
    runnerId: mapping.runnerId,
    jobName: mapping.jobName,
    namespace: mapping.namespace,
    waitingFor: "agentrun-result",
    valuesPrinted: false
  });
  return decorateAgentRunRunningResult({ base: initialAgentRunChatResult({ params, options, traceId }), mapping, traceStore, traceId });
}

function isAgentRunCommandAlreadyClaimed(error) {
  const statusCode = Number(error?.statusCode ?? 0);
  const message = String(error?.message ?? error?.agentRunError?.message ?? "");
  return statusCode === 409 && /command\s+[^\s]+\s+is not pending:/u.test(message);
}

export async function syncAgentRunChatResult({ traceId, currentResult = null, options = {}, traceStore = defaultCodeAgentTraceStore, appendResultEvent = true, refreshEvents = true }) {
  const initial = currentResult ?? await loadPersistedAgentRunResult(traceId, options);
  const mapped = initial ? await resolveAgentRunTraceCommandMapping({ traceId, mapped: initial, options }) : initial;
  if (!mapped?.agentRun?.runId || !mapped?.agentRun?.commandId) return { result: currentResult, runnerTrace: traceStore.snapshot(traceId), found: Boolean(currentResult) };
  const env = options.env ?? process.env;
  const fetchImpl = options.fetchImpl ?? globalThis.fetch;
  const managerUrl = resolveAgentRunManagerUrl(env, mapped.agentRun.managerUrl);
  const timeoutMs = parsePositiveInteger(env.HWLAB_CODE_AGENT_AGENTRUN_HTTP_TIMEOUT_MS, 20_000);
  const eventsResponse = refreshEvents ? await fetchAgentRunEventsForTrace({ fetchImpl, managerUrl, timeoutMs, mapping: { ...mapped.agentRun, traceSummary: mapped.traceSummary } }) : null;
  if (eventsResponse) appendAgentRunEventsToTrace(traceStore, traceId, eventsResponse.events, mapped.agentRun);
  const result = await agentRunJson(fetchImpl, managerUrl, `/api/v1/runs/${encodeURIComponent(mapped.agentRun.runId)}/commands/${encodeURIComponent(mapped.agentRun.commandId)}/result`, {
    method: "GET",
    timeoutMs
  });
  const nextMapping = {
    ...mapped.agentRun,
    ...agentRunResultRefs(result),
    lastSeq: eventsResponse ? agentRunTraceCursorSeq(eventsResponse, mapped.agentRun.lastSeq) : mapped.agentRun.lastSeq,
    status: result?.status ?? mapped.agentRun.status ?? "running",
    runStatus: result?.runStatus ?? mapped.agentRun.runStatus ?? null,
    commandState: result?.commandState ?? mapped.agentRun.commandState ?? null,
    terminalStatus: result?.terminalStatus ?? mapped.agentRun.terminalStatus ?? null,
    updatedAt: nowIso(options.now),
    valuesPrinted: false
  };
  const base = { ...mapped, agentRun: nextMapping, updatedAt: nowIso(options.now) };
  const payload = agentRunResultToCodeAgentPayload({ base, result, traceStore, traceId, appendResultEvent });
  options.codeAgentChatResults?.set?.(traceId, payload);
  return { result: payload, runnerTrace: payload.runnerTrace ?? traceStore.snapshot(traceId), found: true };
}

async function resolveAgentRunTraceCommandMapping({ traceId, mapped, options = {} }) {
  const safeId = safeTraceId(traceId);
  const agentRun = mapped?.agentRun && typeof mapped.agentRun === "object" ? mapped.agentRun : null;
  if (!safeId || !agentRun?.runId) return mapped;
  const agentRunTraceId = safeTraceId(agentRun.traceId);
  const providerTraceId = safeTraceId(agentRun.providerTrace?.traceId);
  const traceSummaryCommandId = text(mapped?.traceSummary?.agentRun?.commandId);
  const commandId = text(agentRun.commandId);
  const traceFieldsMatch = agentRunTraceId === safeId && providerTraceId === safeId && (!traceSummaryCommandId || traceSummaryCommandId === commandId);
  if (mapped.status === "running" && traceFieldsMatch) return mapped;
  const env = options.env ?? process.env;
  const fetchImpl = options.fetchImpl ?? globalThis.fetch;
  const managerUrl = resolveAgentRunManagerUrl(env, agentRun.managerUrl);
  const timeoutMs = parsePositiveInteger(env.HWLAB_CODE_AGENT_AGENTRUN_HTTP_TIMEOUT_MS, 20_000);
  const command = await findAgentRunCommandForTrace({ fetchImpl, managerUrl, timeoutMs, runId: agentRun.runId, traceId: safeId });
  if (!command?.id) {
    throw Object.assign(new Error(`AgentRun command registry has no command for ${safeId} in run ${agentRun.runId}`), {
      code: "agentrun_trace_command_not_found",
      statusCode: 404,
      traceId: safeId,
      runId: agentRun.runId
    });
  }
  if (command.id === commandId) {
    return {
      ...mapped,
      finalResponse: null,
      traceSummary: null,
      agentRun: {
        ...agentRun,
        traceId: safeId,
        lastSeq: 0,
        providerTrace: null,
        commandState: command.state ?? agentRun.commandState ?? null,
        updatedAt: nowIso(options.now),
        valuesPrinted: false
      }
    };
  }
  return {
    ...mapped,
    finalResponse: null,
    traceSummary: null,
    agentRun: {
      ...agentRun,
      commandId: command.id,
      traceId: safeId,
      lastSeq: 0,
      providerTrace: null,
      commandState: command.state ?? agentRun.commandState ?? null,
      updatedAt: nowIso(options.now),
      valuesPrinted: false
    }
  };
}

export async function refreshAgentRunTrace({ traceId, result = null, options = {}, traceStore = defaultCodeAgentTraceStore }) {
  const initial = result ?? await loadPersistedAgentRunResult(traceId, options);
  const mapped = initial ? await resolveAgentRunTraceCommandMapping({ traceId, mapped: initial, options }) : initial;
  if (!mapped?.agentRun?.runId) return traceStore.snapshot(traceId);
  const env = options.env ?? process.env;
  const fetchImpl = options.fetchImpl ?? globalThis.fetch;
  const managerUrl = resolveAgentRunManagerUrl(env, mapped.agentRun.managerUrl);
  const timeoutMs = parsePositiveInteger(env.HWLAB_CODE_AGENT_AGENTRUN_HTTP_TIMEOUT_MS, 20_000);
  const eventsResponse = await fetchAgentRunEventsForTrace({ fetchImpl, managerUrl, timeoutMs, mapping: { ...mapped.agentRun, traceSummary: mapped.traceSummary } });
  const events = eventsResponse.events;
  appendAgentRunEventsToTrace(traceStore, traceId, events, mapped.agentRun);
  const lastSeq = agentRunTraceCursorSeq(eventsResponse, mapped.agentRun.lastSeq);
  if (lastSeq !== Number(mapped.agentRun.lastSeq ?? 0)) {
    options.codeAgentChatResults?.set?.(traceId, { ...mapped, agentRun: { ...mapped.agentRun, lastSeq, updatedAt: nowIso(options.now) } });
  }
  return traceStore.snapshot(traceId);
}

export async function cancelAgentRunChatTurn({ traceId, currentResult = null, options = {}, traceStore = defaultCodeAgentTraceStore }) {
  const mapped = currentResult ?? await loadPersistedAgentRunResult(traceId, options);
  if (!mapped?.agentRun?.commandId) return null;
  const env = options.env ?? process.env;
  const fetchImpl = options.fetchImpl ?? globalThis.fetch;
  const managerUrl = resolveAgentRunManagerUrl(env, mapped.agentRun.managerUrl);
  const timeoutMs = parsePositiveInteger(env.HWLAB_CODE_AGENT_AGENTRUN_HTTP_TIMEOUT_MS, 20_000);
  await agentRunJson(fetchImpl, managerUrl, `/api/v1/commands/${encodeURIComponent(mapped.agentRun.commandId)}/cancel`, {
    method: "POST",
    body: { reason: "hwlab-user-cancel", traceId },
    timeoutMs
  });
  traceStore.append(traceId, {
    type: "cancel",
    status: "canceled",
    label: "agentrun:cancel:canceled",
    message: "HWLAB forwarded cancel to AgentRun command cancel API.",
    runId: mapped.agentRun.runId,
    commandId: mapped.agentRun.commandId,
    terminal: true,
    valuesPrinted: false
  });
  const now = nowIso(options.now);
  const agentRun = { ...mapped.agentRun, status: "cancelled", commandState: "cancelled", terminalStatus: "cancelled", updatedAt: now };
  const payload = {
    ...mapped,
    status: "canceled",
    canceled: true,
    updatedAt: now,
    agentRun,
    runnerTrace: traceStore.snapshot(traceId),
    error: {
      code: "agentrun_canceled",
      layer: "agentrun",
      category: "canceled",
      retryable: true,
      message: "AgentRun command was canceled by user request",
      userMessage: "当前 AgentRun 请求已取消；traceId/runId/commandId 已保留，可重试上一条消息。",
      traceId,
      route: "/v1/agent/chat/cancel",
      toolName: "agentrun.command.cancel"
    },
    userMessage: "当前 AgentRun 请求已取消；traceId/runId/commandId 已保留，可重试上一条消息。"
  };
  options.codeAgentChatResults?.set?.(traceId, payload);
  return payload;
}

export async function steerAgentRunChatTurn({ traceId, currentResult = null, params = {}, options = {}, traceStore = defaultCodeAgentTraceStore }) {
  const mapped = currentResult ?? await loadPersistedAgentRunResult(traceId, options);
  if (!safeTraceId(traceId) || !mapped?.agentRun?.runId || !mapped?.agentRun?.commandId) return null;
  const message = firstNonEmpty(params.message, params.prompt, params.text);
  if (!message) {
    throw Object.assign(new Error("steer command requires non-empty message text"), { code: "steer_message_missing", statusCode: 400 });
  }
  const env = options.env ?? process.env;
  const fetchImpl = options.fetchImpl ?? globalThis.fetch;
  const managerUrl = resolveAgentRunManagerUrl(env, mapped.agentRun.managerUrl);
  const timeoutMs = parsePositiveInteger(env.HWLAB_CODE_AGENT_AGENTRUN_HTTP_TIMEOUT_MS, 20_000);
  const steerTraceId = safeTraceId(params.steerTraceId ?? params.steerId) || `trc_steer_${randomUUID().replace(/-/gu, "")}`;
  traceStore.append(traceId, {
    type: "backend",
    status: "running",
    label: "agentrun:steer:accepted",
    message: "HWLAB accepted an in-flight steer request and will create an AgentRun type=steer command on the existing run.",
    runId: mapped.agentRun.runId,
    commandId: mapped.agentRun.commandId,
    steerTraceId,
    waitingFor: "agentrun-steer-command-create",
    valuesPrinted: false
  });
  const commandInput = buildAgentRunSteerCommandInput({ params: { ...params, message }, traceId, steerTraceId, mapped });
  const command = await agentRunJson(fetchImpl, managerUrl, `/api/v1/runs/${encodeURIComponent(mapped.agentRun.runId)}/commands`, {
    method: "POST",
    body: commandInput,
    timeoutMs
  });
  const steerCommandId = requiredString(command?.id, "command.id");
  const now = nowIso(options.now);
  const agentRun = {
    ...mapped.agentRun,
    lastSteerCommandId: steerCommandId,
    lastSteerTraceId: steerTraceId,
    updatedAt: now,
    valuesPrinted: false
  };
  traceStore.append(traceId, {
    type: "backend",
    status: "running",
    label: "agentrun:steer:command-created",
    message: `AgentRun steer command ${steerCommandId} created on run ${mapped.agentRun.runId}; runner will apply it if the target Codex turn is still active.`,
    runId: mapped.agentRun.runId,
    commandId: mapped.agentRun.commandId,
    steerCommandId,
    targetCommandId: mapped.agentRun.commandId,
    steerTraceId,
    waitingFor: "agentrun-steer-apply",
    valuesPrinted: false
  });
  const payload = {
    ok: true,
    accepted: true,
    status: "running",
    shortConnection: true,
    controlSemantics: "steer-active-turn-and-poll-target-trace",
    route: "/v1/agent/chat/steer",
    traceId,
    targetTraceId: traceId,
    steerTraceId,
    conversationId: safeConversationId(mapped.conversationId ?? params.conversationId) || null,
    sessionId: safeSessionId(mapped.sessionId ?? params.sessionId) || null,
    threadId: safeOpaqueId(mapped.threadId ?? params.threadId) || null,
    resultUrl: `/v1/agent/chat/result/${encodeURIComponent(traceId)}`,
    traceUrl: `/v1/agent/chat/trace/${encodeURIComponent(traceId)}`,
    agentRun: {
      ...agentRun,
      steerCommandId,
      targetCommandId: mapped.agentRun.commandId,
      steerCommandState: command.state ?? null,
      valuesPrinted: false
    },
    runnerTrace: traceStore.snapshot(traceId, agentRunTraceMeta({}, {})),
    updatedAt: now,
    valuesPrinted: false
  };
  options.codeAgentChatResults?.set?.(traceId, { ...mapped, agentRun, runnerTrace: payload.runnerTrace, updatedAt: now });
  return payload;
}

export async function loadPersistedAgentRunResult(traceId, options = {}) {
  const safeId = safeTraceId(traceId);
  if (!safeId || typeof options.accessController?.getAgentSessionByTraceId !== "function") return null;
  const session = await options.accessController.getAgentSessionByTraceId(safeId);
  const agentRun = agentRunSeedFromSession(session, safeId);
  if (!agentRun?.runId) return null;
  const backendProfile = firstNonEmpty(agentRun.backendProfile, "deepseek");
  const status = firstNonEmpty(session?.status === "canceled" ? "canceled" : null, agentRun.terminalStatus, agentRun.commandState, agentRun.status, "running");
  return {
    accepted: true,
    status,
    shortConnection: true,
    traceId: safeId,
    conversationId: safeConversationId(session?.conversationId) || agentRun.conversationId || null,
    sessionId: safeSessionId(session?.id) || agentRun.sessionId || null,
    threadId: safeOpaqueId(session?.threadId) || agentRun.threadId || null,
    messageId: `msg_${safeId.slice(4)}`,
    createdAt: session?.startedAt ?? session?.updatedAt ?? nowIso(options.now),
    updatedAt: session?.updatedAt ?? nowIso(options.now),
    ownerUserId: session?.ownerUserId,
    ownerRole: session?.ownerRole,
    provider: providerForBackendProfile(backendProfile),
    model: modelForBackendProfile(backendProfile, options.env ?? process.env),
    backend: backendForBackendProfile(backendProfile),
    infrastructureBackend: `agentrun-v01/${backendProfile}`,
    capabilityLevel: AGENTRUN_CAPABILITY_LEVEL,
    sessionMode: AGENTRUN_SESSION_MODE,
    implementationType: AGENTRUN_IMPLEMENTATION_TYPE,
    agentRun: { ...agentRun, adapter: ADAPTER_ID, traceId: safeId, commandId: text(agentRun.commandId) || null, valuesPrinted: false },
    valuesPrinted: false
  };
}

function agentRunSeedFromSession(session, traceId) {
  const snapshot = session?.session && typeof session.session === "object" ? session.session : null;
  const traceResults = snapshot?.traceResults && typeof snapshot.traceResults === "object" ? snapshot.traceResults : null;
  const traceAgentRun = traceResults?.[traceId]?.agentRun && typeof traceResults[traceId].agentRun === "object" ? traceResults[traceId].agentRun : null;
  if (traceAgentRun?.runId) return traceAgentRun;
  const topLevelAgentRun = snapshot?.agentRun && typeof snapshot.agentRun === "object" ? snapshot.agentRun : null;
  return topLevelAgentRun?.runId ? topLevelAgentRun : null;
}

async function findAgentRunCommandForTrace({ fetchImpl, managerUrl, timeoutMs, runId, traceId }) {
  if (!runId || !safeTraceId(traceId)) return null;
  const commands = await agentRunJson(fetchImpl, managerUrl, `/api/v1/runs/${encodeURIComponent(runId)}/commands?afterSeq=0&limit=100`, { method: "GET", timeoutMs });
  return (Array.isArray(commands?.items) ? commands.items : []).find((item) => agentRunCommandMatchesTrace(item, traceId)) ?? null;
}

function agentRunCommandMatchesTrace(command, traceId) {
  const payload = command?.payload && typeof command.payload === "object" ? command.payload : {};
  return command?.idempotencyKey === traceId || payload.traceId === traceId;
}

export function agentRunSessionEvidence(payload = {}) {
  if (!payload?.agentRun) return {};
  return {
    agentRun: {
      adapter: ADAPTER_ID,
      runId: payload.agentRun.runId ?? null,
      commandId: payload.agentRun.commandId ?? null,
      attemptId: payload.agentRun.attemptId ?? null,
      runnerId: payload.agentRun.runnerId ?? null,
      jobName: payload.agentRun.jobName ?? null,
      namespace: payload.agentRun.namespace ?? null,
      backendProfile: payload.agentRun.backendProfile ?? null,
      managerUrl: payload.agentRun.managerUrl ?? DEFAULT_AGENTRUN_MGR_URL,
      repoUrl: payload.agentRun.repoUrl ?? DEFAULT_REPO_URL,
      status: payload.agentRun.status ?? null,
      runStatus: payload.agentRun.runStatus ?? null,
      commandState: payload.agentRun.commandState ?? null,
      terminalStatus: payload.agentRun.terminalStatus ?? null,
      traceId: payload.agentRun.traceId ?? payload.traceId ?? payload.providerTrace?.traceId ?? null,
      lastSeq: payload.agentRun.lastSeq ?? 0,
      providerId: payload.agentRun.providerId ?? agentRunProviderIdOrNull(),
      reuseEligible: payload.agentRun.reuseEligible ?? false,
      sessionId: payload.agentRun.sessionId ?? payload.sessionId ?? null,
      conversationId: payload.conversationId ?? payload.agentRun.conversationId ?? null,
      threadId: payload.threadId ?? payload.agentRun.threadId ?? null,
      providerTrace: payload.providerTrace ?? payload.agentRun.providerTrace ?? null,
      valuesPrinted: false
    }
  };
}

async function ensureAgentRunSessionPersistent({ fetchImpl, managerUrl, sessionId, env, traceId, backendProfile, traceStore }) {
  const defaultPolicy = firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_SESSION_STORAGE, "persistent");
  if (defaultPolicy !== "persistent") return;
  try {
    const tenantId = firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_TENANT_ID, DEFAULT_TENANT_ID);
    const projectId = agentRunProjectIdForEnv(env);
    const expiresInDays = parsePositiveInteger(env.HWLAB_CODE_AGENT_AGENTRUN_SESSION_TTL_DAYS, 30);
    const expiresAt = new Date(Date.now() + Math.max(1, expiresInDays) * 24 * 60 * 60 * 1000).toISOString();
    await agentRunJson(fetchImpl, managerUrl, "/api/v1/sessions", {
      method: "POST",
      timeoutMs: 15_000,
      body: { sessionId, tenantId, projectId, backendProfile, expiresAt, codexRolloutSubdir: "sessions" },
    });
  } catch (error) {
    const message = error?.message ?? String(error);
    if (/evicted/i.test(message)) {
      traceStore.append(traceId, {
        type: "backend", status: "running",
        label: "agentrun:session-storage-evicted",
        message: "AgentRun session " + sessionId + " storage was previously evicted; hwlab-cloud-api will create a fresh sessionId for this turn.",
        sessionId, backendProfile, waitingFor: "agentrun-session-reset", valuesPrinted: false,
      });
      throw error;
    }
    traceStore.append(traceId, {
      type: "backend", status: "running",
      label: "agentrun:session-storage-recover-warning",
      message: "AgentRun session " + sessionId + " pre-flight could not ensure PVC; falling back to legacy metadata-only session (" + message + ").",
      sessionId, backendProfile, valuesPrinted: false,
    });
  }
}

function agentRunProjectIdForEnv(env = process.env) {
  return firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_PROJECT_ID, DEFAULT_PROJECT_ID);
}

async function shouldResetSessionAfterEviction(failureKind, failureMessage) {
  return failureKind === "session-store-evicted" || /session store evicted/i.test(failureMessage ?? "");
}

function newSessionIdAfterEviction(baseSessionId, traceId) {
  const profile = String(traceId).replace(/[^A-Za-z0-9]/gu, "").slice(0, 12) || "fresh";
  return baseSessionId + "-reset-" + profile;
}
function buildAgentRunCreateRunInput({ params, env, traceId, backendProfile, sessionId, toolCapabilities = null }) {
  const commitId = requireAgentRunSourceCommit(env);
  const threadId = safeOpaqueId(params.threadId);
  const hwlabProjectId = firstNonEmpty(params.projectId);
  rejectRemovedResourceWorkspaceFiles(params.workspaceFiles ?? params.resourceWorkspaceFiles);
  const resourceBundleRef = {
    kind: "gitbundle",
    repoUrl: resolveAgentRunRepoUrl(env),
    commitId,
    submodules: false,
    lfs: false,
    bundles: HWLAB_RESOURCE_GIT_BUNDLES,
    promptRefs: HWLAB_RESOURCE_PROMPT_REFS,
  };
  return {
    tenantId: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_TENANT_ID, DEFAULT_TENANT_ID),
    projectId: agentRunProjectIdForEnv(env),
    workspaceRef: {
      kind: "opaque",
      repo: DEFAULT_PROJECT_ID,
      branch: firstNonEmpty(env.HWLAB_BOOT_REF, env.HWLAB_CODE_AGENT_AGENTRUN_BRANCH, "v0.2"),
      runtimeNamespace: firstNonEmpty(env.HWLAB_RUNTIME_NAMESPACE, env.POD_NAMESPACE, env.HWLAB_NAMESPACE, "hwlab-v02"),
      hwlabTraceId: traceId,
      valuesPrinted: false
    },
    sessionRef: {
      sessionId: sessionId ?? scopedAgentRunSessionIdForParams(params, traceId, backendProfile),
      ...(safeConversationId(params.conversationId) ? { conversationId: safeConversationId(params.conversationId) } : {}),
      ...(threadId ? { threadId } : {}),
      metadata: {
        adapter: ADAPTER_ID,
        hwlabTraceId: traceId,
        hwlabApi: "/v1/agent/chat",
        hwlabProjectId,
        hwlabSessionId: safeSessionId(params.sessionId) || null,
        threadContinuityPolicy: THREAD_CONTINUITY_POLICY,
        sessionPolicy: SESSION_POLICY_RUN_LOCAL,
        agentRunSessionProfile: backendProfile,
        agentRunSessionPolicy: "backend-profile-scoped",
        valuesPrinted: false
      }
    },
    resourceBundleRef,
    providerId: resolveAgentRunProviderId(env),
    backendProfile,
    executionPolicy: {
      sandbox: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_SANDBOX, env.HWLAB_CODE_AGENT_CODEX_SANDBOX, "danger-full-access"),
      approval: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_APPROVAL, "never"),
      timeoutMs: parsePositiveInteger(env.HWLAB_CODE_AGENT_AGENTRUN_TIMEOUT_MS, parsePositiveInteger(env.HWLAB_CODE_AGENT_TIMEOUT_MS, DEFAULT_TIMEOUT_MS)),
      network: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_NETWORK, "enabled"),
      secretScope: {
        allowCredentialEcho: false,
        providerCredentials: [providerCredentialSecretRef(backendProfile, env)],
        toolCredentials: agentRunToolCredentials(env, toolCapabilities)
      }
    },
    traceSink: {
      kind: "hwlab-cloud-api",
      traceId,
      resultUrl: `/v1/agent/chat/result/${encodeURIComponent(traceId)}`,
      traceUrl: `/v1/agent/chat/trace/${encodeURIComponent(traceId)}`,
      valuesPrinted: false
    }
  };
}

function rejectRemovedResourceWorkspaceFiles(value) {
  if (value == null || value === false || value === "") return [];
  throw adapterError("legacy_workspace_files_removed", "workspaceFiles/resourceWorkspaceFiles are removed; use AgentRun ResourceBundleRef kind=gitbundle with bundles[]");
}

function adapterError(code, message, details = {}) {
  return Object.assign(new Error(message), {
    code,
    statusCode: 400,
    details
  });
}

function buildAgentRunCommandInput({ params, traceId, backendProfile, sessionId }) {
  const prompt = String(params.message ?? params.prompt ?? "").trim();
  const threadId = safeOpaqueId(params.threadId);
  return {
    type: "turn",
    payload: {
      prompt,
      message: prompt,
      traceId,
      projectId: firstNonEmpty(params.projectId) || null,
      conversationId: safeConversationId(params.conversationId) || null,
      sessionId: sessionId ?? scopedAgentRunSessionIdForParams(params, traceId, backendProfile),
      hwlabSessionId: safeSessionId(params.sessionId) || null,
      threadId: threadId || null,
      threadContinuityPolicy: THREAD_CONTINUITY_POLICY,
      sessionPolicy: SESSION_POLICY_RUN_LOCAL,
      providerProfile: backendProfile,
      source: "hwlab-cloud-api",
      valuesPrinted: false
    },
    idempotencyKey: traceId
  };
}

function buildAgentRunSteerCommandInput({ params, traceId, steerTraceId, mapped }) {
  const prompt = String(params.message ?? params.prompt ?? params.text ?? "").trim();
  return {
    type: "steer",
    payload: {
      prompt,
      message: prompt,
      text: prompt,
      traceId: steerTraceId,
      targetTraceId: traceId,
      targetCommandId: mapped.agentRun.commandId,
      conversationId: safeConversationId(mapped.conversationId ?? params.conversationId) || null,
      sessionId: mapped.agentRun.sessionId ?? safeSessionId(mapped.sessionId ?? params.sessionId) ?? null,
      hwlabSessionId: safeSessionId(mapped.sessionId ?? params.sessionId) || null,
      threadId: safeOpaqueId(mapped.threadId ?? params.threadId) || null,
      source: "hwlab-cloud-api",
      valuesPrinted: false
    },
    idempotencyKey: steerTraceId
  };
}

async function resolveOwnerApiKey({ params, options, now }) {
  const ownerUserId = text(params.ownerUserId);
  if (!ownerUserId) return "";
  const accessController = options.accessController;
  if (!accessController?.store?.findActiveDefaultApiKeyForUser) return "";
  const key = await accessController.store.findActiveDefaultApiKeyForUser(ownerUserId) ?? null;
  if (!key) return "";
  return text(key.displaySecret ?? "");
}
function buildAgentRunRunnerJobInput({ env, traceId, commandId, ownerApiKey, toolCapabilities = null, backendProfile }) {
  const baseTransient = buildAgentRunTransientEnv(env, { providerProfile: backendProfile, parentTraceId: traceId });
  const hwpodAllowed = toolCapabilityAllowed(toolCapabilities, "hwpod");
  const transientEnv = ownerApiKey && hwpodAllowed
    ? baseTransient.concat([{ name: "HWLAB_API_KEY", value: ownerApiKey, sensitive: true }])
    : baseTransient;
  return {
    commandId,
    idempotencyKey: traceId,
    namespace: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_RUNNER_NAMESPACE, env.AGENTRUN_RUNTIME_NAMESPACE, DEFAULT_RUNNER_NAMESPACE),
    ...(firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_RUNNER_IMAGE, env.AGENTRUN_RUNNER_IMAGE)
      ? { image: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_RUNNER_IMAGE, env.AGENTRUN_RUNNER_IMAGE) }
      : {}),
    ...(firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_RUNNER_SERVICE_ACCOUNT, env.AGENTRUN_RUNNER_SERVICE_ACCOUNT)
      ? { serviceAccountName: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_RUNNER_SERVICE_ACCOUNT, env.AGENTRUN_RUNNER_SERVICE_ACCOUNT) }
      : {}),
    ...(transientEnv.length > 0 ? { transientEnv } : {})
  };
}

function buildAgentRunTransientEnv(env = process.env, options = {}) {
  const providerProfile = firstNonEmpty(options.providerProfile);
  const parentTraceId = firstNonEmpty(options.parentTraceId);
  const entries = [];
  for (const name of [
    "HWLAB_RUNTIME_API_URL",
    "HWLAB_RUNTIME_WEB_URL",
    "HWLAB_RUNTIME_NAMESPACE",
    "HWLAB_RUNTIME_LANE",
    "HWLAB_RUNTIME_ENDPOINT_LOCKED",
    "HWLAB_CODE_AGENT_ASSEMBLED_RUNTIME",
    "UNIDESK_MAIN_SERVER_IP"
  ]) {
    const value = firstNonEmpty(env[name]);
    if (value) entries.push({ name, value, sensitive: false });
  }
  if (providerProfile) entries.push({ name: "HWLAB_CODE_AGENT_PROVIDER_PROFILE", value: providerProfile, sensitive: false });
  if (parentTraceId) entries.push({ name: "HWLAB_CODE_AGENT_PARENT_TRACE_ID", value: parentTraceId, sensitive: false });
  return entries;
}

function agentRunToolCredentials(env = process.env, toolCapabilities = null) {
  const namespace = firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_TOOL_SECRET_NAMESPACE, env.HWLAB_CODE_AGENT_AGENTRUN_SECRET_NAMESPACE, DEFAULT_RUNNER_NAMESPACE);
  const githubSecretName = firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_GITHUB_TOOL_SECRET_NAME, "agentrun-v01-tool-github-pr");
  const githubSecretKey = firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_GITHUB_TOOL_SECRET_KEY, "GH_TOKEN");
  const unideskSecretName = firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_UNIDESK_SSH_TOOL_SECRET_NAME, "agentrun-v01-tool-unidesk-ssh");
  const credentials = [];
  if (toolCapabilityAllowed(toolCapabilities, "github_pr")) credentials.push({
      tool: "github",
      purpose: "pull-request",
      secretRef: { namespace, name: githubSecretName, keys: [githubSecretKey] },
      projection: { kind: "env", envName: githubSecretKey, secretKey: githubSecretKey }
    });
  if (toolCapabilityAllowed(toolCapabilities, "unidesk_ssh")) credentials.push({
      tool: "unidesk-ssh",
      purpose: "ssh-passthrough",
      secretRef: { namespace, name: unideskSecretName, keys: ["UNIDESK_SSH_CLIENT_TOKEN"] },
      projection: { kind: "env", envName: "UNIDESK_SSH_CLIENT_TOKEN", secretKey: "UNIDESK_SSH_CLIENT_TOKEN" }
    });
  return credentials;
}

async function resolveToolCapabilities({ params = {}, options = {} } = {}) {
  const ownerUserId = text(params.ownerUserId);
  const accessController = options.accessController;
  if (!ownerUserId || typeof accessController?.codeAgentToolCapabilitiesForOwner !== "function") return null;
  return await accessController.codeAgentToolCapabilitiesForOwner(ownerUserId);
}

function toolCapabilityAllowed(toolCapabilities = null, toolId) {
  if (!toolCapabilities || !toolCapabilities.tools) return true;
  return toolCapabilities.tools?.[toolId]?.allowed === true;
}

async function resolveReusableAgentRun({ params = {}, options = {}, env = process.env, managerUrl, fetchImpl, timeoutMs, backendProfile, traceId, traceStore }) {
  const hwlabSessionId = hwlabSessionIdForParams(params, traceId);
  if (!safeSessionId(hwlabSessionId) || hwlabSessionId === agentRunSessionId(traceId) || typeof options.accessController?.getAgentSession !== "function") {
    return null;
  }
  const session = await options.accessController.getAgentSession(hwlabSessionId);
  if (!canReuseAgentRunSessionForOwner(session, params, options)) {
    traceStore.append(traceId, {
      type: "backend",
      status: "running",
      label: "agentrun:run:reuse-owner-skipped",
      message: "Stored AgentRun session is not visible to the current actor; a new runner Job will be created for this request.",
      sessionId: hwlabSessionId,
      waitingFor: "agentrun-run-create",
      valuesPrinted: false
    });
    return null;
  }
  const mapping = session?.session?.agentRun;
  if (!isReusableAgentRunMapping(mapping, backendProfile)) {
    traceStore.append(traceId, {
      type: "backend",
      status: "running",
      label: "agentrun:run:reuse-skipped",
      message: "No reusable AgentRun run was found for this HWLAB session; a new runner Job will be created.",
      sessionId: hwlabSessionId,
      waitingFor: "agentrun-run-create",
      valuesPrinted: false
    });
    return null;
  }
  let run = null;
  try {
    run = await agentRunJson(fetchImpl, managerUrl, `/api/v1/runs/${encodeURIComponent(mapping.runId)}`, {
      method: "GET",
      timeoutMs
    });
  } catch (error) {
    traceStore.append(traceId, {
      type: "backend",
      status: "running",
      label: "agentrun:run:reuse-unavailable",
      message: `Stored AgentRun run ${mapping.runId} could not be read; a new runner Job will be created.`,
      errorCode: error?.code ?? "agentrun_run_lookup_failed",
      runId: mapping.runId,
      sessionId: hwlabSessionId,
      waitingFor: "agentrun-run-create",
      valuesPrinted: false
    });
    return null;
  }
  const reason = agentRunReuseBlocker(run, mapping);
  if (reason) {
    traceStore.append(traceId, {
      type: "backend",
      status: "running",
      label: "agentrun:run:reuse-blocked",
      message: `Stored AgentRun run ${mapping.runId} cannot be reused: ${reason}; a new runner Job will be created.`,
      runId: mapping.runId,
      sessionId: hwlabSessionId,
      waitingFor: "agentrun-run-create",
      valuesPrinted: false
    });
    return null;
  }
  traceStore.append(traceId, {
    type: "backend",
    status: "running",
    label: "agentrun:run:reused",
    message: `AgentRun run ${mapping.runId} is reused for HWLAB session ${hwlabSessionId}; runner reuse window is active and no new bundle will be requested for this turn.`,
    runId: mapping.runId,
    commandId: mapping.commandId ?? null,
    runnerId: mapping.runnerId ?? null,
    jobName: mapping.jobName ?? null,
    namespace: mapping.namespace ?? null,
    sessionId: hwlabSessionId,
    waitingFor: "agentrun-command-create",
    valuesPrinted: false
  });
  return { sessionId: mapping.sessionId ?? scopedAgentRunSessionIdForParams(params, traceId, backendProfile), hwlabSessionId, session, mapping, run };
}

function isReusableAgentRunMapping(mapping, backendProfile) {
  return Boolean(
    mapping &&
    typeof mapping === "object" &&
    mapping.adapter === ADAPTER_ID &&
    mapping.reuseEligible !== false &&
    mapping.runId &&
    mapping.jobName &&
    (!mapping.backendProfile || mapping.backendProfile === backendProfile)
  );
}

function canReuseAgentRunSessionForOwner(session, params = {}, options = {}) {
  if (!session) return false;
  const ownerUserId = options.actor?.id ?? params.ownerUserId ?? null;
  const ownerRole = options.actor?.role ?? params.ownerRole ?? null;
  if (ownerRole === "admin") return true;
  if (!session.ownerUserId) return true;
  return Boolean(ownerUserId && session.ownerUserId === ownerUserId);
}

function agentRunReuseBlocker(run = {}, mapping = {}) {
  const status = String(run?.terminalStatus ?? run?.status ?? mapping.runStatus ?? "").toLowerCase();
  if (TERMINAL_RUN_STATUSES.has(status)) return `run_status_${status}`;
  if (!run?.claimedBy) return "runner_not_claimed";
  if (runLeaseExpired(run.leaseExpiresAt)) return "runner_reuse_window_expired";
  return null;
}

function runLeaseExpired(leaseExpiresAt) {
  const expiresMs = Date.parse(String(leaseExpiresAt ?? ""));
  return !Number.isFinite(expiresMs) || expiresMs <= Date.now();
}

function providerCredentialSecretRef(profile, env) {
  const profileEnvKey = String(profile ?? "").toUpperCase().replace(/[^A-Z0-9]+/gu, "_");
  return {
    profile,
    secretRef: {
      namespace: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_SECRET_NAMESPACE, DEFAULT_RUNNER_NAMESPACE),
      name: firstNonEmpty(env[`HWLAB_CODE_AGENT_AGENTRUN_${profileEnvKey}_SECRET_NAME`], env[`HWLAB_CODE_AGENT_AGENTRUN_${String(profile ?? "").toUpperCase()}_SECRET_NAME`], env.HWLAB_CODE_AGENT_AGENTRUN_PROVIDER_SECRET_NAME, `agentrun-v01-provider-${profile}`),
      keys: ["auth.json", "config.toml"],
      mountPath: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_CODEX_HOME_MOUNT, "~/.codex")
    }
  };
}

function agentRunProviderTrace({ base = {}, result = {}, terminalStatus = null } = {}) {
  return {
    transport: "agentrun-v01",
    protocol: AGENTRUN_PROVIDER_TRACE_PROTOCOL,
    wireApi: AGENTRUN_PROVIDER_TRACE_WIRE_API,
    runnerKind: AGENTRUN_RUNNER_KIND,
    implementationType: AGENTRUN_IMPLEMENTATION_TYPE,
    command: "agentrun.v01.command.turn",
    toolName: "agentrun.v01.command.turn",
    source: ADAPTER_ID,
    backendProfile: base.agentRun?.backendProfile ?? null,
    runId: base.agentRun?.runId ?? result?.runId ?? null,
    commandId: base.agentRun?.commandId ?? result?.commandId ?? null,
    runnerId: base.agentRun?.runnerId ?? result?.runnerId ?? null,
    jobName: base.agentRun?.jobName ?? result?.jobName ?? null,
    namespace: base.agentRun?.namespace ?? result?.namespace ?? null,
    traceId: base.traceId ?? base.agentRun?.traceId ?? null,
    threadId: result?.sessionRef?.threadId ?? base.agentRun?.threadId ?? base.threadId ?? null,
    turnId: result?.turnId ?? null,
    terminalStatus: terminalStatus ?? result?.terminalStatus ?? null,
    failureKind: result?.failureKind ?? null,
    failureMessage: result?.failureMessage ?? result?.blocker?.message ?? null,
    valuesPrinted: false
  };
}

function agentRunFailureAttribution({ code, message, canceled = false } = {}) {
  if (canceled) {
    return {
      category: "canceled",
      retryable: true,
      userMessage: "AgentRun 请求已取消。",
      summary: message || "AgentRun command was canceled."
    };
  }
  if (code === "provider-invalid-tool-call" || /invalid function arguments json string|invalid_prompt|tool_call_id/iu.test(String(message ?? ""))) {
    return {
      category: "provider_invalid_tool_call",
      retryable: true,
      userMessage: "AgentRun/provider 返回了无效 tool-call arguments JSON；这不是 HWPOD 或 Cloud API 端点失败，请查看 providerTrace.failureKind 和 runnerTrace 定位上游 tool_call_id。",
      summary: message || "AgentRun/provider returned invalid tool-call arguments JSON."
    };
  }
  if (code === "thread-resume-failed") {
    return {
      category: "thread_resume_failed",
      retryable: true,
      userMessage: "AgentRun 复用的 thread 已失效；当前 turn 会按失败终止，Workbench 会清理 stale continuation 指针，下一轮自动从新 session/thread 启动。",
      summary: message || "AgentRun thread/resume failed for an existing thread."
    };
  }
  return {
    category: "agentrun_failed",
    retryable: true,
    userMessage: "AgentRun 请求失败；请查看 runnerTrace、providerTrace 和 agentRun 字段定位 runId/commandId/jobName。",
    summary: message || "AgentRun command failed."
  };
}

function agentRunLongLivedSessionGate(base = {}) {
  const session = agentRunSessionSummary(base, "idle");
  return {
    status: "pass",
    pass: true,
    requiredCapability: AGENTRUN_CAPABILITY_LEVEL,
    currentCapability: AGENTRUN_IMPLEMENTATION_TYPE,
    sessionId: session.sessionId ?? null,
    sessionStatus: session.status ?? null,
    runnerKind: AGENTRUN_RUNNER_KIND,
    provider: providerForBackendProfile(base.agentRun?.backendProfile ?? "deepseek"),
    sessionMode: AGENTRUN_SESSION_MODE,
    implementationType: AGENTRUN_IMPLEMENTATION_TYPE,
    adapter: ADAPTER_ID,
    delegatedToAgentRun: true,
    codexStdio: false,
    blockers: [],
    valuesPrinted: false
  };
}

function agentRunToolCalls(result = {}, status = "completed") {
  return [{
    name: "agentrun.v01.command.turn",
    status,
    runId: result?.runId ?? null,
    commandId: result?.commandId ?? null,
    outputSummary: result?.reply ? `assistantChars=${String(result.reply).length}` : null,
    valuesPrinted: false
  }];
}

function agentRunResultToCodeAgentPayload({ base, result, traceStore, traceId, appendResultEvent = true }) {
  const terminalStatus = String(result?.terminalStatus ?? "");
  const terminal = terminalStatus === "completed" || terminalStatus === "failed" || terminalStatus === "blocked" || terminalStatus === "cancelled";
  if (!terminal) {
    return decorateAgentRunRunningResult({ base, mapping: base.agentRun, traceStore, traceId });
  }
  const now = nowIso();
  const runnerTrace = traceStore.snapshot(traceId, agentRunTraceMeta({}, {}));
  const terminalEventCreatedAt = agentRunResultTraceCreatedAt(runnerTrace, now);
  const providerTrace = agentRunProviderTrace({ base, result, terminalStatus });
  if (terminalStatus === "completed" && String(result?.reply ?? "").trim()) {
    const finalResponse = agentRunCompletedFinalResponse({ base, result, traceId, now });
    const traceSummary = agentRunCompletedTraceSummary({ base, runnerTrace, finalResponse, traceId });
    if (appendResultEvent) {
      traceStore.append(traceId, {
        type: "result",
        status: "completed",
        label: "agentrun:result:completed",
        createdAt: terminalEventCreatedAt,
        message: "AgentRun result is ready for HWLAB short-connection polling.",
        runId: base.agentRun.runId,
        commandId: base.agentRun.commandId,
        terminal: true,
        valuesPrinted: false
      });
    }
    return {
      ...base,
      status: "completed",
      updatedAt: now,
      workspace: base.workspace ?? "/home/agentrun/workspace",
      sandbox: base.sandbox ?? "danger-full-access",
      session: agentRunSessionSummary(base, "idle"),
      sessionReuse: agentRunSessionReuseSummary(base, base.agentRun.reused === true),
      runner: agentRunRunnerSummary(base.agentRun),
      runnerTrace: traceStore.snapshot(traceId, agentRunTraceMeta({}, {})),
      toolCalls: agentRunToolCalls(result, "completed"),
      skills: { status: "delegated", provider: ADAPTER_ID, count: 0, items: [], valuesPrinted: false },
      longLivedSessionGate: agentRunLongLivedSessionGate(base),
      providerTrace,
      finalResponse,
      traceSummary,
      reply: {
        messageId: finalResponse.messageId,
        role: "assistant",
        content: finalResponse.text,
        createdAt: finalResponse.createdAt
      },
      usage: null,
      agentRun: { ...base.agentRun, terminalStatus, completed: true, reuseEligible: true, providerTrace, valuesPrinted: false },
      valuesPrinted: false
    };
  }
  const canceled = terminalStatus === "cancelled";
  const code = canceled ? "agentrun_canceled" : result?.failureKind ?? (terminalStatus === "blocked" ? "agentrun_blocked" : "agentrun_failed");
  const message = result?.failureMessage ?? result?.blocker?.message ?? (canceled ? "AgentRun command was canceled" : "AgentRun command failed");
  const attribution = agentRunFailureAttribution({ code, message, canceled });
  if (appendResultEvent) {
    traceStore.append(traceId, {
      type: "result",
      status: canceled ? "canceled" : "failed",
      label: `agentrun:result:${canceled ? "canceled" : terminalStatus || "failed"}`,
      createdAt: terminalEventCreatedAt,
      errorCode: code,
      message: attribution.summary,
      runId: base.agentRun.runId,
      commandId: base.agentRun.commandId,
      terminal: true,
      valuesPrinted: false
    });
  }
  const partialContext = partialAgentRunContext(runnerTrace);
  return {
    ...base,
    status: canceled ? "canceled" : "failed",
    canceled,
    updatedAt: now,
    session: agentRunSessionSummary(base, canceled ? "canceled" : "failed"),
    sessionReuse: agentRunSessionReuseSummary(base, base.agentRun.reused === true, { status: canceled ? undefined : "failed-requires-new-session" }),
    runner: agentRunRunnerSummary(base.agentRun),
    runnerTrace: partialContext ? { ...runnerTrace, partialContext } : runnerTrace,
    toolCalls: agentRunToolCalls(result, canceled ? "canceled" : "failed"),
    skills: { status: "delegated", provider: ADAPTER_ID, count: 0, items: [], valuesPrinted: false },
    providerTrace,
    error: {
      code,
      layer: "agentrun",
      category: attribution.category,
      retryable: attribution.retryable,
      message,
      userMessage: attribution.userMessage,
      traceId,
      route: "/v1/agent/chat",
      toolName: "agentrun.manual-dispatch"
    },
    blocker: canceled ? null : {
      code,
      layer: "agentrun",
      category: attribution.category,
      retryable: attribution.retryable,
      summary: attribution.summary,
      traceId,
      route: "/v1/agent/chat",
      toolName: "agentrun.manual-dispatch"
    },
    agentRun: { ...base.agentRun, terminalStatus, completed: false, reuseEligible: false, providerTrace, valuesPrinted: false },
    reuseEligible: false,
    ...(partialContext ? { partialContext } : {}),
    valuesPrinted: false
  };
}

function agentRunCompletedFinalResponse({ base, result, traceId, now }) {
  const textValue = String(result?.reply ?? "").trim();
  return {
    text: textValue,
    textChars: textValue.length,
    role: "assistant",
    status: "completed",
    traceId,
    messageId: base.messageId ?? base.reply?.messageId ?? `msg_${traceId.slice(4)}`,
    createdAt: base.reply?.createdAt ?? base.createdAt ?? now,
    updatedAt: now,
    valuesPrinted: false
  };
}

function agentRunCompletedTraceSummary({ base, runnerTrace, finalResponse, traceId }) {
  const events = Array.isArray(runnerTrace?.events) ? runnerTrace.events : [];
  const lastSeq = Math.max(0, ...events.map((event) => Number(event?.seq ?? 0)).filter(Number.isFinite));
  return {
    traceId,
    source: "agentrun-command-result",
    sourceEventCount: Number(runnerTrace?.eventCount ?? events.length ?? 0),
    terminalStatus: "completed",
    finalAssistantRow: {
      role: finalResponse.role,
      status: finalResponse.status,
      textChars: finalResponse.textChars,
      textPreview: finalResponse.text.slice(0, 240),
      messageId: finalResponse.messageId,
      valuesPrinted: false
    },
    agentRun: {
      runId: base.agentRun?.runId ?? null,
      commandId: base.agentRun?.commandId ?? null,
      lastSeq,
      valuesPrinted: false
    },
    valuesPrinted: false
  };
}

function partialAgentRunContext(runnerTrace = {}) {
  const events = Array.isArray(runnerTrace.events) ? runnerTrace.events : [];
  const assistantMessages = events
    .filter((event) => event?.type === "assistant" && String(event.text ?? event.message ?? "").trim())
    .map((event) => String(event.text ?? event.message).trim())
    .slice(-4);
  const toolEvidence = events
    .filter((event) => event?.type === "tool_call" && String(event.status ?? "") === "completed")
    .map((event) => [event.toolName ?? event.label ?? "tool", event.command ?? event.outputSummary ?? event.stdoutSummary ?? event.message ?? ""].filter(Boolean).join(": "))
    .filter(Boolean)
    .slice(-6);
  if (assistantMessages.length === 0 && toolEvidence.length === 0) return null;
  return {
    status: "partial-before-terminal",
    summary: "AgentRun terminal 前已有可延续的 assistant/tool 上下文；后续同 conversation/session/thread 轮次必须能继续使用。",
    assistantMessages,
    toolEvidence,
    valuesPrinted: false
  };
}

function agentRunResultTraceCreatedAt(runnerTrace = {}, fallback) {
  const last = String(runnerTrace?.lastEvent?.createdAt ?? runnerTrace?.updatedAt ?? "");
  return Number.isFinite(Date.parse(last)) ? last : fallback;
}

function decorateAgentRunRunningResult({ base, mapping, traceStore, traceId }) {
  return {
    ...base,
    status: "running",
    accepted: true,
    shortConnection: true,
    updatedAt: nowIso(),
    session: agentRunSessionSummary({ ...base, agentRun: mapping }, "running"),
    sessionReuse: agentRunSessionReuseSummary({ ...base, agentRun: mapping }, mapping.reused === true),
    runner: agentRunRunnerSummary(mapping),
    runnerTrace: traceStore.snapshot(traceId, agentRunTraceMeta({}, {})),
    agentRun: { ...mapping, adapter: ADAPTER_ID, valuesPrinted: false },
    valuesPrinted: false
  };
}

function appendAgentRunEventsToTrace(traceStore, traceId, events, mapping = {}) {
  for (const event of events) {
    if (isForeignAgentRunCommandEvent(event, mapping)) continue;
    const normalized = mapAgentRunEvent(event, mapping);
    if (normalized) traceStore.append(traceId, normalized, agentRunTraceMeta({}, {}));
  }
}

async function fetchAgentRunEventsForTrace({ fetchImpl, managerUrl, timeoutMs, mapping = {} }) {
  const runId = requiredString(mapping.runId, "runId");
  const currentCommandId = typeof mapping.commandId === "string" ? mapping.commandId : "";
  const { afterSeq, endSeq } = agentRunTraceReplayWindow(mapping);
  const path = `/api/v1/runs/${encodeURIComponent(runId)}/events?afterSeq=${encodeURIComponent(String(afterSeq))}&limit=500`;
  const response = await agentRunJson(fetchImpl, managerUrl, path, { method: "GET", timeoutMs });
  const rawEvents = Array.isArray(response?.items) ? response.items : [];
  const events = rawEvents.filter((event) => agentRunEventBelongsToTrace(event, { currentCommandId, afterSeq, endSeq }));
  return {
    events,
    afterSeq,
    endSeq,
    commandFiltered: Boolean(currentCommandId),
    maxSeq: Math.max(afterSeq, ...rawEvents.map((event) => Number(event?.seq ?? 0))),
    traceLastSeq: Math.max(afterSeq, ...events.map((event) => Number(event?.seq ?? 0)).filter(Number.isFinite))
  };
}

function agentRunTraceCursorSeq(eventsResponse = {}, previousLastSeq = 0) {
  const afterSeq = Number(eventsResponse.afterSeq ?? 0);
  const endSeq = Number(eventsResponse.endSeq ?? 0);
  const traceLastSeq = Number(eventsResponse.traceLastSeq ?? 0);
  if (Number.isFinite(traceLastSeq) && traceLastSeq > afterSeq) return Math.floor(traceLastSeq);
  if (Number.isFinite(endSeq) && endSeq > 0) return Math.floor(endSeq);
  if (eventsResponse.commandFiltered === true) return Math.max(Number(previousLastSeq ?? 0), afterSeq);
  return Math.max(Number(previousLastSeq ?? 0), Number(eventsResponse.maxSeq ?? 0));
}

function agentRunTraceReplayWindow(mapping = {}) {
  const eventStartSeq = Number(mapping.eventStartSeq ?? mapping.commandStartSeq ?? mapping.startSeq ?? 0);
  const summary = mapping.traceSummary && typeof mapping.traceSummary === "object" ? mapping.traceSummary : null;
  const summaryAgentRun = summary?.agentRun && typeof summary.agentRun === "object" ? summary.agentRun : null;
  const summaryLastSeq = Number(summaryAgentRun?.lastSeq ?? summary?.lastSeq ?? 0);
  const currentLastSeq = Number(mapping.lastSeq ?? 0);
  const endSeq = Number.isFinite(summaryLastSeq) && summaryLastSeq > 0 ? Math.floor(summaryLastSeq) : 0;
  if (Number.isFinite(eventStartSeq) && eventStartSeq > 0) return { afterSeq: Math.max(0, Math.floor(eventStartSeq) - 1), endSeq };
  if (endSeq > 0) return { afterSeq: Math.max(0, endSeq - 500), endSeq };
  if (Number.isFinite(currentLastSeq) && currentLastSeq > 0) return { afterSeq: Math.floor(currentLastSeq), endSeq: 0 };
  return { afterSeq: 0, endSeq: 0 };
}

function agentRunEventBelongsToTrace(event, { currentCommandId = "", afterSeq = 0, endSeq = 0 } = {}) {
  const eventCommandId = agentRunEventCommandId(event);
  const seq = Number(event?.seq ?? 0);
  if (currentCommandId && eventCommandId && eventCommandId !== currentCommandId) return false;
  if (endSeq > 0 && Number.isFinite(seq)) return seq > afterSeq && seq <= endSeq;
  return true;
}

function agentRunEventCommandId(event) {
  const payload = event?.payload && typeof event.payload === "object" ? event.payload : {};
  return typeof payload.commandId === "string" ? payload.commandId : "";
}

function isForeignAgentRunCommandEvent(event, mapping = {}) {
  const currentCommandId = typeof mapping.commandId === "string" ? mapping.commandId : "";
  if (!currentCommandId) return false;
  const eventCommandId = agentRunEventCommandId(event);
  return Boolean(eventCommandId && eventCommandId !== currentCommandId);
}

function mapAgentRunEvent(event, mapping = {}) {
  if (!event || typeof event !== "object") return null;
  const payload = event.payload && typeof event.payload === "object" ? event.payload : {};
  const base = {
    createdAt: event.createdAt ?? null,
    source: "agentrun",
    sourceSeq: event.seq ?? null,
    runId: event.runId ?? mapping.runId ?? null,
    commandId: payload.commandId ?? mapping.commandId ?? null,
    attemptId: payload.attemptId ?? mapping.attemptId ?? null,
    runnerId: payload.runnerId ?? mapping.runnerId ?? null,
    jobName: payload.jobName ?? mapping.jobName ?? null,
    namespace: payload.namespace ?? mapping.namespace ?? null,
    valuesPrinted: false
  };
  if (event.type === "backend_status") {
    const phase = String(payload.phase ?? "status");
    return {
      ...base,
      type: "backend",
      status: "running",
      label: `agentrun:backend:${phase}`,
      message: textPayload(payload, phase),
      waitingFor: waitingForForPhase(phase),
      details: agentRunBackendStatusDetails(phase, payload)
    };
  }
  if (event.type === "assistant_message") {
    const terminal = payload.replyAuthority === true || payload.final === true;
    return {
      ...base,
      type: "assistant",
      status: terminal ? "completed" : "running",
      label: "agentrun:assistant:message",
      message: textPayload(payload, "assistant message"),
      text: textPayload(payload, ""),
      itemId: payload.itemId ?? null,
      messageIndex: payload.messageIndex ?? null,
      messageCount: payload.messageCount ?? null,
      replyAuthority: payload.replyAuthority === true,
      final: payload.final === true,
      terminal
    };
  }
  if (event.type === "tool_call") {
    const commandExecution = agentRunCommandExecutionEvent(base, payload);
    if (commandExecution) return commandExecution;
    return {
      ...base,
      type: "tool_call",
      status: String(payload.status ?? (payload.method === "item/completed" ? "completed" : "running")),
      label: `agentrun:tool:${String(payload.name ?? payload.method ?? "call")}`,
      itemId: payload.item?.id ?? payload.itemId ?? null,
      toolName: payload.item?.type ?? payload.name ?? payload.method ?? "call",
      message: textPayload(payload, "tool call"),
      outputBytes: typeof payload.outputBytes === "number" ? payload.outputBytes : payload.summary?.outputBytes,
      outputTruncated: payload.outputTruncated === true || payload.summary?.outputTruncated === true
    };
  }
  if (event.type === "command_output") {
    const stream = payload.stream === "stderr" ? "stderr" : "stdout";
    return { ...base, type: "output", status: "running", label: `agentrun:output:${stream}`, stream, message: textPayload(payload, ""), outputTruncated: payload.outputTruncated === true };
  }
  if (event.type === "diff") {
    return { ...base, type: "diff", status: "running", label: "agentrun:diff", message: textPayload(payload, "diff") };
  }
  if (event.type === "error") {
    return { ...base, type: "error", status: "failed", label: `agentrun:error:${String(payload.failureKind ?? "backend")}`, errorCode: payload.failureKind ?? "agentrun_error", message: textPayload(payload, "AgentRun error") };
  }
  if (event.type === "terminal_status") {
    const terminalStatus = String(payload.terminalStatus ?? "failed");
    return { ...base, type: "result", status: terminalStatus === "cancelled" ? "canceled" : terminalStatus, label: `agentrun:terminal:${terminalStatus}`, errorCode: payload.failureKind ?? null, message: textPayload(payload, `AgentRun terminal status ${terminalStatus}`), terminal: true };
  }
  return { ...base, type: "backend", status: "running", label: `agentrun:event:${String(event.type ?? "unknown")}`, message: textPayload(payload, "AgentRun event") };
}

function agentRunBackendStatusDetails(phase, payload = {}) {
  if (phase === "initial-prompt-assembly") {
    return compactObject({
      initialPromptInjected: payload.initialPromptInjected === true,
      reason: firstNonEmpty(payload.reason),
      initialPrompt: agentRunResourceSummary(payload.initialPrompt),
      valuesPrinted: false
    });
  }
  if (phase === "resource-bundle-materialized") {
    return compactObject({
      kind: firstNonEmpty(payload.kind),
      commitId: firstNonEmpty(payload.commitId),
      bundles: agentRunResourceSummary(payload.bundles),
      tools: agentRunResourceSummary(payload.tools),
      promptRefs: agentRunResourceSummary(payload.promptRefs),
      skillDirs: agentRunResourceSummary(payload.skillDirs),
      initialPrompt: agentRunResourceSummary(payload.initialPrompt),
      valuesPrinted: false
    });
  }
  return undefined;
}

function agentRunResourceSummary(value) {
  if (!value || typeof value !== "object" || Array.isArray(value)) return undefined;
  return compactObject({
    available: typeof value.available === "boolean" ? value.available : undefined,
    count: Number.isInteger(value.count) ? value.count : undefined,
    bytes: Number.isInteger(value.bytes) ? value.bytes : undefined,
    sha256: firstNonEmpty(value.sha256),
    promptRefCount: Number.isInteger(value.promptRefCount) ? value.promptRefCount : undefined,
    skillCount: Number.isInteger(value.skillCount) ? value.skillCount : undefined,
    toolCount: Number.isInteger(value.toolCount) ? value.toolCount : undefined,
    names: Array.isArray(value.names) ? value.names.map((item) => firstNonEmpty(item)).filter(Boolean).slice(0, 20) : undefined,
    targetPaths: Array.isArray(value.targetPaths) ? value.targetPaths.map((item) => firstNonEmpty(item)).filter(Boolean).slice(0, 20) : undefined,
    skillNames: Array.isArray(value.skillNames) ? value.skillNames.map((item) => firstNonEmpty(item)).filter(Boolean).slice(0, 20) : undefined,
    requiredMissing: Array.isArray(value.requiredMissing) ? value.requiredMissing.map((item) => firstNonEmpty(item)).filter(Boolean).slice(0, 20) : undefined,
    valuesPrinted: false
  });
}

function compactObject(value) {
  if (!value || typeof value !== "object" || Array.isArray(value)) return undefined;
  const result = {};
  for (const [key, item] of Object.entries(value)) {
    if (item === undefined || item === null) continue;
    if (Array.isArray(item) && item.length === 0) continue;
    if (typeof item === "object" && !Array.isArray(item) && Object.keys(item).length === 0) continue;
    result[key] = item;
  }
  return Object.keys(result).length > 0 ? result : undefined;
}

function agentRunCommandExecutionEvent(base, payload = {}) {
  const item = payload.item && typeof payload.item === "object" ? payload.item : null;
  const payloadToolType = firstNonEmpty(payload.toolName, payload.type, payload.name);
  if (item?.type !== "commandExecution" && payloadToolType !== "commandExecution") return null;
  const method = String(payload.method ?? "");
  const completed = method === "item/completed" || payload.status === "completed" || item?.status === "completed";
  const output = firstNonEmpty(item?.aggregatedOutput, item?.stdout, item?.output, payload.outputSummary, payload.stdoutSummary, payload.summary?.text, payload.itemPreview);
  return {
    ...base,
    type: "tool_call",
    status: completed ? "completed" : "started",
    label: completed ? "item/commandExecution:completed" : "item/commandExecution:started",
    toolName: "commandExecution",
    itemId: item?.id ?? payload.itemId ?? null,
    command: firstNonEmpty(item?.command, item?.commandLine, payload.command, payload.commandLine),
    exitCode: Number.isInteger(item?.exitCode) ? item.exitCode : Number.isInteger(payload.exitCode) ? payload.exitCode : undefined,
    durationMs: typeof item?.durationMs === "number" ? item.durationMs : typeof payload.durationMs === "number" ? payload.durationMs : undefined,
    outputBytes: typeof payload.outputBytes === "number" ? payload.outputBytes : payload.summary?.outputBytes,
    stdoutSummary: output,
    outputSummary: output,
    outputTruncated: payload.outputTruncated === true || payload.summary?.outputTruncated === true,
    message: output || textPayload(payload, "commandExecution")
  };
}

async function agentRunJson(fetchImpl, managerUrl, path, { method = "GET", body, timeoutMs = 20_000 } = {}) {
  const controller = new AbortController();
  const timeout = setTimeout(() => controller.abort(), timeoutMs);
  try {
    const response = await fetchImpl(`${managerUrl}${path}`, {
      method,
      headers: body === undefined ? undefined : { "content-type": "application/json" },
      body: body === undefined ? undefined : JSON.stringify(body),
      signal: controller.signal
    });
    const text = await response.text();
    const parsed = text ? JSON.parse(text) : {};
    if (!response.ok || parsed?.ok === false) {
      throw Object.assign(new Error(parsed?.message ?? `AgentRun ${method} ${path} failed with HTTP ${response.status}`), {
        code: parsed?.failureKind ?? "agentrun_request_failed",
        statusCode: response.status,
        agentRunError: parsed
      });
    }
    return parsed?.ok === true && Object.hasOwn(parsed, "data") ? parsed.data : parsed;
  } catch (error) {
    if (error?.name === "AbortError") {
      throw Object.assign(new Error(`AgentRun ${method} ${path} timed out after ${timeoutMs}ms`), { code: "agentrun_timeout", statusCode: 504 });
    }
    throw error;
  } finally {
    clearTimeout(timeout);
  }
}

function resolveAgentRunManagerUrl(env = process.env, override = null) {
  const raw = firstNonEmpty(override, env.AGENTRUN_MGR_URL, env.HWLAB_CODE_AGENT_AGENTRUN_MGR_URL, DEFAULT_AGENTRUN_MGR_URL);
  const url = new URL(raw);
  const host = url.hostname.toLowerCase();
  const allowedHost = "agentrun-mgr.agentrun-v01.svc.cluster.local";
  const allowedByTest = truthyFlag(env.HWLAB_CODE_AGENT_AGENTRUN_ALLOW_NON_K3S_URL) && ["127.0.0.1", "localhost"].includes(host);
  if (url.protocol !== "http:" || (host !== allowedHost && !allowedByTest)) {
    throw Object.assign(new Error(`AGENTRUN_MGR_URL must use internal k3s Service DNS ${DEFAULT_AGENTRUN_MGR_URL}; got ${redactUrl(raw)}`), {
      code: "agentrun_internal_url_required",
      statusCode: 500
    });
  }
  url.pathname = url.pathname.replace(/\/+$/u, "");
  url.search = "";
  url.hash = "";
  return url.toString().replace(/\/+$/u, "");
}

function resolveAgentRunBackendProfile(env = process.env, params = {}) {
  const requested = String(params.providerProfile ?? params.codeAgentProviderProfile ?? env.HWLAB_CODE_AGENT_AGENTRUN_BACKEND_PROFILE ?? env.HWLAB_CODE_AGENT_DEFAULT_PROVIDER_PROFILE ?? "deepseek").trim().toLowerCase();
  const fallback = String(env.HWLAB_CODE_AGENT_AGENTRUN_DEFAULT_BACKEND_PROFILE ?? "deepseek").trim().toLowerCase() || "deepseek";
  const resolved = requested === "runtime-default" ? fallback : requested;
  if (!resolved || resolved === "runtime-default") return "deepseek";
  const mapped = AGENTRUN_BACKEND_ALIASES[resolved] ?? resolved;
  return AGENTRUN_BACKEND_PROFILE_ID_PATTERN.test(mapped) ? mapped : "deepseek";
}

function agentRunMapping({ env, managerUrl, backendProfile, run, command, runnerJob, traceId, startedAt, params = {} }) {
  const threadReused = Boolean(safeOpaqueId(params.threadId));
  return {
    adapter: ADAPTER_ID,
    managerUrl,
    backendProfile,
    providerId: resolveAgentRunProviderId(env),
    runId: run.id,
    commandId: command.id,
    attemptId: runnerJob?.attemptId ?? runnerJob?.runner?.attemptId ?? null,
    runnerId: runnerJob?.runnerId ?? runnerJob?.runner?.runnerId ?? null,
    runnerJobId: runnerJob?.id ?? null,
    jobName: runnerJob?.jobName ?? runnerJob?.jobIdentity?.name ?? null,
    namespace: runnerJob?.namespace ?? runnerJob?.jobIdentity?.namespace ?? DEFAULT_RUNNER_NAMESPACE,
    status: "runner-job-created",
    runStatus: run.status ?? null,
    commandState: command.state ?? null,
    terminalStatus: null,
    lastSeq: 0,
    traceId,
    sessionId: run?.sessionRef?.sessionId ?? null,
    conversationId: run?.sessionRef?.conversationId ?? null,
    threadId: run?.sessionRef?.threadId ?? null,
    runnerReused: false,
    threadReused,
    persistentResume: threadReused,
    reused: false,
    reuseEligible: true,
    createdAt: startedAt,
    updatedAt: nowIso(),
    valuesPrinted: false
  };
}

function agentRunReusedMapping({ previous = {}, run = {}, command = {}, runnerJob = null, traceId, startedAt, backendProfile, managerUrl, env }) {
  const threadReused = Boolean(safeOpaqueId(run?.sessionRef?.threadId ?? previous.threadId));
  return {
    ...previous,
    adapter: ADAPTER_ID,
    managerUrl,
    backendProfile,
    providerId: previous.providerId ?? resolveAgentRunProviderId(env),
    runId: previous.runId ?? run?.id,
    commandId: command.id,
    attemptId: runnerJob?.attemptId ?? runnerJob?.runner?.attemptId ?? previous.attemptId ?? null,
    runnerId: runnerJob?.runnerId ?? runnerJob?.runner?.runnerId ?? previous.runnerId ?? null,
    runnerJobId: runnerJob?.id ?? previous.runnerJobId ?? null,
    jobName: runnerJob?.jobName ?? runnerJob?.jobIdentity?.name ?? previous.jobName ?? null,
    namespace: runnerJob?.namespace ?? runnerJob?.jobIdentity?.namespace ?? previous.namespace ?? DEFAULT_RUNNER_NAMESPACE,
    status: runnerJob ? "runner-job-ensured" : "runner-job-reused",
    runStatus: run?.status ?? previous.runStatus ?? null,
    commandState: command.state ?? null,
    terminalStatus: null,
    lastSeq: previous.lastSeq ?? 0,
    runnerJobCount: runnerJob ? Math.max(1, Number(previous.runnerJobCount ?? 0) + 1) : Number(previous.runnerJobCount ?? 0),
    traceId,
    sessionId: run?.sessionRef?.sessionId ?? previous.sessionId ?? null,
    conversationId: run?.sessionRef?.conversationId ?? previous.conversationId ?? null,
    threadId: run?.sessionRef?.threadId ?? previous.threadId ?? null,
    runnerReused: true,
    threadReused,
    persistentResume: threadReused,
    reused: true,
    reuseEligible: true,
    createdAt: previous.createdAt ?? startedAt,
    updatedAt: nowIso(),
    valuesPrinted: false
  };
}

function agentRunResultRefs(result = {}) {
  const refs = {};
  for (const key of ["attemptId", "runnerId", "jobName", "namespace", "runnerJobCount"]) {
    if (result?.[key] !== undefined && result?.[key] !== null) refs[key] = result[key];
  }
  if (result?.sessionRef && typeof result.sessionRef === "object") {
    if (result.sessionRef.sessionId) refs.sessionId = result.sessionRef.sessionId;
    if (result.sessionRef.conversationId) refs.conversationId = result.sessionRef.conversationId;
    if (result.sessionRef.threadId) refs.threadId = result.sessionRef.threadId;
  }
  return refs;
}

function hwlabSessionIdForParams(params = {}, traceId) {
  return safeSessionId(params.sessionId) || agentRunSessionId(traceId);
}

function scopedAgentRunSessionIdForParams(params = {}, traceId, backendProfile) {
  const baseSessionId = hwlabSessionIdForParams(params, traceId);
  const profile = agentRunSessionProfileToken(backendProfile);
  const base = String(baseSessionId).replace(/^ses_/u, "").replace(/[^A-Za-z0-9_]+/gu, "_").replace(/^_+|_+$/gu, "") || "session";
  return `ses_agentrun_${profile}_${base}`;
}

function agentRunSessionProfileToken(backendProfile) {
  return String(backendProfile ?? "deepseek").trim().toLowerCase().replace(/[^a-z0-9]+/gu, "_").replace(/^_+|_+$/gu, "") || "default";
}

function agentRunSessionId(traceId) {
  return `ses_agentrun_${String(safeTraceId(traceId) || `trc_${randomUUID()}`).slice(4)}`;
}

function agentRunSessionSummary(base, status) {
  return decorateCodeAgentSession({
    sessionId: base.sessionId ?? base.agentRun?.sessionId ?? null,
    conversationId: base.conversationId ?? base.agentRun?.conversationId ?? null,
    threadId: base.threadId ?? base.agentRun?.threadId ?? null,
    status,
    sessionMode: AGENTRUN_SESSION_MODE,
    runnerKind: AGENTRUN_RUNNER_KIND,
    lastTraceId: base.traceId ?? base.agentRun?.traceId ?? null,
    longLivedSession: true,
    codexStdio: false,
    delegatedToAgentRun: true,
    writeCapable: true,
    durable: true,
    durableSession: true,
    idleTimeoutMs: parsePositiveInteger(base.agentRun?.idleTimeoutMs, 600000),
    secretMaterialStored: false,
    valuesRedacted: true
  });
}

function agentRunThreadReused(base = {}, options = {}) {
  if (options.status === "failed-requires-new-session") return false;
  if (base.agentRun?.threadReused === true || base.agentRun?.persistentResume === true) return true;
  return Boolean(safeOpaqueId(base.threadId));
}

function agentRunSessionReuseSummary(base, reused, options = {}) {
  const runnerReused = Boolean(reused);
  const threadReused = agentRunThreadReused(base, options);
  const persistentResume = threadReused;
  const sessionReused = runnerReused || persistentResume;
  return {
    sessionId: base.sessionId ?? base.agentRun?.sessionId ?? null,
    conversationId: base.conversationId ?? base.agentRun?.conversationId ?? null,
    threadId: base.threadId ?? base.agentRun?.threadId ?? null,
    reused: sessionReused,
    status: options.status ?? (runnerReused ? "reused" : persistentResume ? "thread-resumed" : "new"),
    runnerReused,
    threadReused,
    persistentResume,
    valuesRedacted: true
  };
}

function agentRunRunnerSummary(mapping = {}) {
  return {
    kind: AGENTRUN_RUNNER_KIND,
    adapter: ADAPTER_ID,
    runId: mapping.runId ?? null,
    commandId: mapping.commandId ?? null,
    attemptId: mapping.attemptId ?? null,
    runnerId: mapping.runnerId ?? null,
    jobName: mapping.jobName ?? null,
    namespace: mapping.namespace ?? null,
    backendProfile: mapping.backendProfile ?? null,
    provider: providerForBackendProfile(mapping.backendProfile ?? "deepseek"),
    sessionMode: AGENTRUN_SESSION_MODE,
    implementationType: AGENTRUN_IMPLEMENTATION_TYPE,
    capabilityLevel: AGENTRUN_CAPABILITY_LEVEL,
    codexStdio: false,
    delegatedToAgentRun: true,
    writeCapable: true,
    durableSession: true,
    longLivedSession: true,
    sandbox: "danger-full-access",
    valuesPrinted: false
  };
}

function agentRunTraceMeta(env = process.env) {
  return {
    runnerKind: AGENTRUN_RUNNER_KIND,
    workspace: resolveAgentRunRepoUrl(env),
    sandbox: firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_SANDBOX, env.HWLAB_CODE_AGENT_CODEX_SANDBOX, "danger-full-access"),
    protocol: AGENTRUN_PROVIDER_TRACE_PROTOCOL,
    sessionMode: AGENTRUN_SESSION_MODE,
    implementationType: AGENTRUN_IMPLEMENTATION_TYPE
  };
}

function backendForBackendProfile(profile) {
  return `${AGENTRUN_BACKEND_PREFIX}/${resolveAgentRunBackendProfile({}, { providerProfile: profile })}`;
}

function resolveAgentRunRepoUrl(env = process.env) {
  const raw = firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_REPO_URL, env.HWLAB_BOOT_READ_URL, DEFAULT_REPO_URL);
  const url = new URL(raw);
  const host = url.hostname.toLowerCase();
  const allowedHost = "git-mirror-http.devops-infra.svc.cluster.local";
  const allowedByTest = truthyFlag(env.HWLAB_CODE_AGENT_AGENTRUN_ALLOW_NON_K3S_URL) && ["127.0.0.1", "localhost"].includes(host);
  if (url.protocol !== "http:" || (host !== allowedHost && !allowedByTest)) {
    throw Object.assign(new Error(`HWLAB_CODE_AGENT_AGENTRUN_REPO_URL must use internal k3s git mirror ${DEFAULT_REPO_URL}; got ${redactUrl(raw)}`), {
      code: "agentrun_internal_repo_url_required",
      statusCode: 500
    });
  }
  url.pathname = url.pathname.replace(/\/+$/u, "");
  url.search = "";
  url.hash = "";
  return url.toString().replace(/\/+$/u, "");
}

function requireAgentRunSourceCommit(env) {
  const text = String(env.HWLAB_CODE_AGENT_AGENTRUN_SOURCE_COMMIT ?? "").trim().toLowerCase();
  if (/^[0-9a-f]{40}$/u.test(text)) return text;
  throw Object.assign(new Error("HWLAB_CODE_AGENT_AGENTRUN_SOURCE_COMMIT must be a full 40-character source commit before AgentRun dispatch"), {
    code: "agentrun_bundle_source_commit_invalid",
    statusCode: 500
  });
}

function resolveAgentRunProviderId(env = process.env) {
  const providerId = firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_PROVIDER_ID, env.AGENTRUN_PROVIDER_ID);
  if (!providerId) {
    throw Object.assign(new Error("HWLAB_CODE_AGENT_AGENTRUN_PROVIDER_ID must be configured from the runtime lane node id before AgentRun dispatch"), {
      code: "agentrun_provider_id_required",
      statusCode: 500
    });
  }
  if (!/^[A-Za-z0-9._-]+$/u.test(providerId)) {
    throw Object.assign(new Error("HWLAB_CODE_AGENT_AGENTRUN_PROVIDER_ID must be a simple node id"), {
      code: "agentrun_provider_id_invalid",
      statusCode: 500
    });
  }
  return providerId;
}

function agentRunProviderIdOrNull(env = process.env) {
  try {
    return resolveAgentRunProviderId(env);
  } catch {
    return null;
  }
}

function modelForBackendProfile(profile, env = process.env) {
  const resolved = resolveAgentRunBackendProfile({}, { providerProfile: profile });
  if (resolved === "codex") return firstNonEmpty(env.HWLAB_CODE_AGENT_CODEX_API_MODEL, env.HWLAB_CODE_AGENT_MODEL, "gpt-5.5");
  if (resolved === "minimax-m3") return firstNonEmpty(env.HWLAB_CODE_AGENT_MINIMAX_M3_MODEL, "MiniMax-M3");
  if (resolved === "deepseek") return firstNonEmpty(env.HWLAB_CODE_AGENT_DEEPSEEK_MODEL, "deepseek-chat");
  if (resolved === "dsflash-go") return firstNonEmpty(env.HWLAB_CODE_AGENT_AGENTRUN_DSFLASH_GO_MODEL, env.HWLAB_CODE_AGENT_DSFLASH_GO_MODEL, "deepseek-v4-flash");
  const profileEnvKey = dynamicBackendProfileEnvKey(resolved);
  return firstNonEmpty(env[`HWLAB_CODE_AGENT_AGENTRUN_${profileEnvKey}_MODEL`], env[`HWLAB_CODE_AGENT_${profileEnvKey}_MODEL`], resolved);
}

function providerForBackendProfile(profile) {
  const resolved = resolveAgentRunBackendProfile({}, { providerProfile: profile });
  if (resolved === "codex") return "codex-api";
  return resolved;
}

function dynamicBackendProfileEnvKey(profile) {
  return String(profile ?? "")
    .trim()
    .toUpperCase()
    .replace(/[^A-Z0-9]+/gu, "_")
    .replace(/^_+|_+$/gu, "") || "PROFILE";
}

function agentRunAvailabilityBlocker(error, scope) {
  return {
    code: error?.code ?? `agentrun_${String(scope).replace(/[^a-z0-9]+/giu, "_")}_blocked`,
    type: "agent_blocker",
    scope: `agentrun-${scope}`,
    status: "open",
    sourceIssue: "pikasTech/HWLAB#879",
    summary: error?.message ?? `AgentRun ${scope} is not configured correctly.` ,
    secretMaterialRead: false,
    valuesRedacted: true
  };
}

function hostForUrl(value) {
  if (!value) return null;
  try {
    return new URL(value).hostname.toLowerCase();
  } catch {
    return null;
  }
}

function waitingForForPhase(phase) {
  if (phase.includes("runner-job")) return "agentrun-runner";
  if (phase.includes("resource-bundle")) return "agentrun-resource-bundle";
  if (phase.includes("backend")) return "agentrun-backend";
  return "agentrun-result";
}

function textPayload(payload, fallback) {
  for (const key of ["message", "text", "content", "delta", "summary", "phase"]) {
    if (typeof payload?.[key] === "string" && payload[key].length > 0) return payload[key];
  }
  return fallback;
}

function requiredString(value, fieldName) {
  if (typeof value === "string" && value.trim()) return value.trim();
  throw Object.assign(new Error(`AgentRun response missing ${fieldName}`), { code: "agentrun_response_invalid", statusCode: 502 });
}

function firstNonEmpty(...values) {
  for (const value of values) {
    const text = String(value ?? "").trim();
    if (text) return text;
  }
  return null;
}

function nowIso(now) {
  return typeof now === "function" ? now() : new Date().toISOString();
}

function redactUrl(value) {
  try {
    const url = new URL(value);
    if (url.username || url.password) {
      url.username = "***";
      url.password = "";
    }
    return url.toString();
  } catch {
    return "<invalid-url>";
  }
}
