fix(code-queue): add active-run liveness diagnostics

scripts/src/code-queue.ts

@@ -197,6 +197,52 @@ function compactLastAssistant(value: unknown, full: boolean): Record<string, unk
   };
 }
 
+function compactSchedulerHeartbeat(value: unknown): Record<string, unknown> | null {
+  const record = asRecord(value);
+  if (record === null) return null;
+  return {
+    taskId: record.taskId ?? null,
+    attempt: record.attempt ?? null,
+    owner: record.owner ?? null,
+    schedulerInstance: record.schedulerInstance ?? null,
+    agentPort: record.agentPort ?? null,
+    activeTurnId: record.activeTurnId ?? null,
+    codexThreadId: record.codexThreadId ?? null,
+    lastLocalHeartbeatAt: record.lastLocalHeartbeatAt ?? null,
+    lastObservedAgentEventAt: record.lastObservedAgentEventAt ?? null,
+    lastPersistedTraceAt: record.lastPersistedTraceAt ?? null,
+    outputMaxSeq: record.outputMaxSeq ?? null,
+  };
+}
+
+function compactExecutionDiagnostics(value: unknown): Record<string, unknown> | null {
+  const record = asRecord(value);
+  if (record === null) return null;
+  return {
+    state: record.state ?? record.health ?? null,
+    degraded: record.degraded ?? null,
+    splitBrain: record.splitBrain ?? null,
+    executionStateSource: record.executionStateSource ?? null,
+    controlPlane: record.controlPlane ?? null,
+    databaseActiveTaskCount: record.databaseActiveTaskCount ?? null,
+    databaseActiveTaskIds: record.databaseActiveTaskIds ?? [],
+    schedulerActiveRunSlotCount: record.schedulerActiveRunSlotCount ?? null,
+    schedulerActiveTaskIds: record.schedulerActiveTaskIds ?? [],
+    activeHeartbeatTaskIds: record.activeHeartbeatTaskIds ?? [],
+    heartbeatFreshTaskIds: record.heartbeatFreshTaskIds ?? [],
+    heartbeatExpiredTaskIds: record.heartbeatExpiredTaskIds ?? [],
+    heartbeatMissingTaskIds: record.heartbeatMissingTaskIds ?? [],
+    staleRecoveryCandidateTaskIds: record.staleRecoveryCandidateTaskIds ?? [],
+    traceGapTaskIds: record.traceGapTaskIds ?? [],
+    traceGapNotStaleTaskIds: record.traceGapNotStaleTaskIds ?? [],
+    lastSchedulerHeartbeatAt: record.lastSchedulerHeartbeatAt ?? null,
+    lastObservedAgentEventAt: record.lastObservedAgentEventAt ?? null,
+    lastPersistedTraceAt: record.lastPersistedTraceAt ?? null,
+    oaPublisher: record.oaPublisher ?? null,
+    reasons: record.reasons ?? [],
+  };
+}
+
 function compactToolSummary(value: unknown, full: boolean): Record<string, unknown> {
   const record = asRecord(value) ?? {};
   const items = asArray(record.items).map((item) => {
@@ -252,6 +298,7 @@ function compactSummary(summary: unknown, options: CodexTaskOptions, taskId: str
       codexThreadId: record.codexThreadId ?? null,
       activeTurnId: record.activeTurnId ?? null,
       cancelRequested: record.cancelRequested ?? null,
+      schedulerHeartbeat: compactSchedulerHeartbeat(record.schedulerHeartbeat),
     },
     timing: record.timing ?? null,
     createdAt: record.createdAt ?? null,
@@ -718,7 +765,12 @@ function requireMergeTargetQueueId(args: string[], command: string): string {
 }
 
 function codeQueues(): unknown {
-  return unwrapCodexResponse(coreInternalFetch(codeQueueProxyPath("/api/queues")));
+  const response = unwrapCodexResponse(coreInternalFetch(codeQueueProxyPath("/api/queues")));
+  return {
+    upstream: response.upstream,
+    queues: response.body.queues ?? [],
+    queue: compactQueueMutationSummary(response.body.queue),
+  };
 }
 
 function codexCreateQueue(queueId: string): unknown {
@@ -824,6 +876,7 @@ function compactTaskMutationResponse(task: unknown, options: CompactTaskMutation
     maxAttempts: record.maxAttempts ?? null,
     currentAttempt: record.currentAttempt ?? null,
     cancelRequested: record.cancelRequested ?? null,
+    schedulerHeartbeat: compactSchedulerHeartbeat(record.schedulerHeartbeat),
     createdAt: record.createdAt ?? null,
     startedAt: record.startedAt ?? null,
     updatedAt: record.updatedAt ?? null,
@@ -845,6 +898,10 @@ function compactQueueMutationSummary(value: unknown): Record<string, unknown> |
   return {
     activeQueueIds: record.activeQueueIds ?? null,
     activeTaskIds: record.activeTaskIds ?? null,
+    databaseActiveTaskCount: record.databaseActiveTaskCount ?? null,
+    databaseActiveTaskIds: record.databaseActiveTaskIds ?? null,
+    schedulerHeartbeatStaleMs: record.schedulerHeartbeatStaleMs ?? null,
+    executionDiagnostics: compactExecutionDiagnostics(record.executionDiagnostics),
     queuedTaskIds: record.queuedTaskIds ?? null,
     counts: record.counts ?? null,
     byQueue: Array.isArray(record.byQueue) ? record.byQueue : undefined,