{ "source": "Read-only snapshot of this isolated real app after the interaction; runtime model identifiers and local paths removed.", "threadId": "mcp:a8aa52ce-665d-4ce2-a49b-10517d2ddab4", "runs": [ { "id": "run:thread:mcp%3Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4:ordinal:1", "threadId": "mcp:a8aa52ce-665d-4ce2-a49b-10517d2ddab4", "ordinal": 1, "providerInstanceId": "claudeAgent", "providerThreadId": "provider-thread:provider:claudeAgent:native-thread:pending%3Arun%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1", "userMessageId": "mcp:a8aa52ce-665d-4ce2-a49b-10517d2ddab4", "rootNodeId": "node:run:run%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1:root", "activeAttemptId": "run-attempt:run:run%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1:attempt:1", "status": "completed", "queuePosition": null, "requestedAt": "2026-11-11T12:33:29.441Z", "startedAt": "2026-11-11T12:33:29.494Z", "completedAt": "2026-11-11T12:33:35.566Z", "checkpointId": "checkpoint:scope:checkpoint-scope%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aname%3Aroot:name:1", "contextHandoffId": null, "workspacePreparation": { "type": "root" } }, { "id": "run:thread:mcp%3Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4:ordinal:2", "threadId": "mcp:a8aa52ce-665d-4ce2-a49b-10517d2ddab4", "ordinal": 2, "providerInstanceId": "claudeAgent", "providerThreadId": "provider-thread:provider:claudeAgent:native-thread:pending%3Arun%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1", "userMessageId": "message:thread:mcp%3Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4:ordinal:1:54468b1c-c64c-4376-91ee-35a2978c1f25", "rootNodeId": "node:run:run%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A2:root", "activeAttemptId": "run-attempt:run:run%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A2:attempt:1", "status": "completed", "queuePosition": null, "requestedAt": "2026-11-11T12:35:17.261Z", "startedAt": "2026-11-11T12:35:17.281Z", "completedAt": "2026-11-11T12:35:20.977Z", "checkpointId": "checkpoint:scope:checkpoint-scope%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aname%3Aroot:name:2", "contextHandoffId": null, "workStartedAt": "2026-11-11T12:33:29.494Z" } ], "items": [ { "id": "turn-item:message:mcp%3Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4", "threadId": "mcp:a8aa52ce-665d-4ce2-a49b-10517d2ddab4", "runId": "run:thread:mcp%3Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4:ordinal:1", "nodeId": "node:run:run%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1:root", "providerThreadId": "provider-thread:provider:claudeAgent:native-thread:pending%3Arun%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1", "providerTurnId": null, "nativeItemRef": null, "parentItemId": null, "ordinal": 1000001, "status": "completed", "title": null, "startedAt": "2026-11-11T12:33:29.441Z", "completedAt": "2026-11-11T12:33:29.441Z", "updatedAt": "2026-11-11T12:33:29.441Z", "createdBy": "agent", "creationSource": "mcp", "type": "user_message", "messageId": "mcp:a8aa52ce-665d-4ce2-a49b-10517d2ddab4", "inputIntent": "turn_start", "text": "This is an explicitly authorized native background Agent regression reproduction. For this task use the native Agent tool with run_in_background:true, even though the usual orchestration guidance prefers delegate_task for background work. Launch exactly one general-purpose native Agent with this prompt:\n\"Wait 90 seconds using Bash command `python3 -c 'import time; time.sleep(90); print(\"DELAY_COMPLETE\")'` with timeout 120000 and run_in_background:false. This foreground Python command is the delay fixture; do not use standalone sleep, Monitor, TaskOutput, background Bash, or return before DELAY_COMPLETE. Then call orchestrator_capabilities once. Select Codex and its cheapest available model, and call delegate_task with task 'Reply with exactly OK.' Use the returned next instruction to receive the completion, then report the raw delegation result and completion back to your parent. Do not launch another native Agent. Keep working until delegate_task returns; report errors verbatim, without retrying or changing the task.\"\nAfter launching the native Agent, immediately reply exactly ROOT_STARTED and end your turn. Do not wait for it, use TaskOutput yourself, send followup messages, or keep the root turn open. When its eventual completion notification arrives, report the delegation result and delegated completion to the user. Do not report runtime model identifiers in prose.\n", "attachments": [] }, { "id": "turn-item:provider:claudeAgent:native-item:workspace-preparation%3Arun%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1", "threadId": "mcp:a8aa52ce-665d-4ce2-a49b-10517d2ddab4", "runId": "run:thread:mcp%3Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4:ordinal:1", "nodeId": "node:run:run%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1:root", "providerThreadId": "provider-thread:provider:claudeAgent:native-thread:pending%3Arun%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1", "providerTurnId": null, "nativeItemRef": null, "parentItemId": null, "ordinal": 1000002, "status": "completed", "title": "Workspace ready", "startedAt": "2026-11-11T12:33:29.441Z", "completedAt": "2026-11-11T12:33:29.468Z", "updatedAt": "2026-11-11T12:33:29.468Z", "type": "command_execution", "input": "Preparing workspace", "output": "Workspace preparation completed.", "exitCode": 0 }, { "id": "turn-item:provider:claudeAgent:native-item:msg_011Cgw9WMkx3qdwCaPCqbDgi%3Athinking%3A0", "threadId": "mcp:a8aa52ce-665d-4ce2-a49b-10517d2ddab4", "runId": "run:thread:mcp%3Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4:ordinal:1", "nodeId": "node:run:run%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1:root", "providerThreadId": "provider-thread:provider:claudeAgent:native-thread:pending%3Arun%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1", "providerTurnId": "provider-turn:provider:claudeAgent:native-turn:turn%3Arun-attempt%3Arun%3Arun%253Athread%253Amcp%25253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%253Aordinal%253A1%3Aattempt%3A1", "nativeItemRef": { "driver": "claudeAgent", "nativeId": "msg_011Cgw9WMkx3qdwCaPCqbDgi:thinking:0", "strength": "strong" }, "parentItemId": null, "ordinal": 1000003, "status": "completed", "title": "Thinking", "startedAt": "2026-11-11T12:33:31.580Z", "completedAt": "2026-11-11T12:33:34.207Z", "updatedAt": "2026-11-11T12:33:34.207Z", "type": "reasoning", "text": "I'm weighing the system prompt's rule that background work goes through delegate_task against the user's explicit instruction to launch one native background Agent for this regression reproduction. The user's direct request is the one I'm following here.\n\nI'm going ahead with the native background Agent the user explicitly asked for, even though the system prompt says background work should go through delegate_task. The user's direct request for this regression test is benign, so I'll follow it and set up the general-purpose subagent to launch now.\n\n", "streaming": false }, { "id": "turn-item:provider:claudeAgent:native-item:task%3Aad68608b5f929b931%3Asubagent", "threadId": "mcp:a8aa52ce-665d-4ce2-a49b-10517d2ddab4", "runId": "run:thread:mcp%3Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4:ordinal:1", "nodeId": "node:provider:claudeAgent:native-item:task%3Aad68608b5f929b931", "providerThreadId": "provider-thread:provider:claudeAgent:native-thread:pending%3Arun%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1", "providerTurnId": "provider-turn:provider:claudeAgent:native-turn:turn%3Arun-attempt%3Arun%3Arun%253Athread%253Amcp%25253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%253Aordinal%253A1%3Aattempt%3A1", "nativeItemRef": { "driver": "claudeAgent", "nativeId": "ad68608b5f929b931", "strength": "strong" }, "parentItemId": null, "ordinal": 1000004, "status": "completed", "title": "Background delegation regression repro", "startedAt": "2026-11-11T12:33:34.362Z", "completedAt": "2026-11-11T12:35:17.242Z", "updatedAt": "2026-11-11T12:35:17.242Z", "type": "subagent", "subagentId": "node:provider:claudeAgent:native-item:task%3Aad68608b5f929b931", "origin": "provider_native", "driver": "claudeAgent", "providerInstanceId": "claudeAgent", "childThreadId": "thread:provider:claudeAgent:native-thread:provider-thread%3Aprovider%3AclaudeAgent%3Anative-thread%3Apending%253Arun%253Athread%253Amcp%25253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%253Aordinal%253A1%3Aad68608b5f929b931", "prompt": "Wait 90 seconds using Bash command `python3 -c 'import time; time.sleep(90); print(\"DELAY_COMPLETE\")'` with timeout 120000 and run_in_background:false. This foreground Python command is the delay fixture; do not use standalone sleep, Monitor, TaskOutput, background Bash, or return before DELAY_COMPLETE. Then call orchestrator_capabilities once. Select Codex and its cheapest available model, and call delegate_task with task 'Reply with exactly OK.' Use the returned next instruction to receive the completion, then report the raw delegation result and completion back to your parent. Do not launch another native Agent. Keep working until delegate_task returns; report errors verbatim, without retrying or changing the task.", "progress": "Background delegation regression repro", "result": "The delay finished and the orchestrator capabilities came back, but the delegation failed, so there is no completion to report.\n\n- **Delay:** `python3 -c 'import time; time.sleep(90); print(\"DELAY_COMPLETE\")'` printed `DELAY_COMPLETE`.\n- **Capabilities:** Codex offers `[model identifier redacted]`, `[model identifier redacted]`, `[model identifier redacted]`, and `[model identifier redacted]`, with five more models omitted. The output has no pricing, so I picked `[model identifier redacted]` as the lightest tier by name. It is an assumption, not a verified cost comparison.\n- **Delegation:** I called `delegate_task` for Codex `[model identifier redacted]` (reasoning effort `low`, service tier `default`) with the task `Reply with exactly OK.`. It returned this error verbatim:\n\n `{\"_tag\":\"OrchestratorMcpFailure\",\"code\":\"parent_not_active\",\"message\":\"Delegated tasks require an active run owned by this MCP provider session.\"}`\n\nAs instructed, I did not retry or change the task. No child agent was started and no `OK` reply was received." }, { "id": "turn-item:provider:claudeAgent:native-item:c27d3a58-fbec-438d-ae0a-632e035812ad", "threadId": "mcp:a8aa52ce-665d-4ce2-a49b-10517d2ddab4", "runId": "run:thread:mcp%3Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4:ordinal:1", "nodeId": "node:provider:claudeAgent:native-item:c27d3a58-fbec-438d-ae0a-632e035812ad", "providerThreadId": "provider-thread:provider:claudeAgent:native-thread:pending%3Arun%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1", "providerTurnId": "provider-turn:provider:claudeAgent:native-turn:turn%3Arun-attempt%3Arun%3Arun%253Athread%253Amcp%25253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%253Aordinal%253A1%3Aattempt%3A1", "nativeItemRef": { "driver": "claudeAgent", "nativeId": "c27d3a58-fbec-438d-ae0a-632e035812ad", "strength": "strong" }, "parentItemId": null, "ordinal": 1000005, "status": "completed", "title": null, "startedAt": "2026-11-11T12:33:35.542Z", "completedAt": "2026-11-11T12:33:35.542Z", "updatedAt": "2026-11-11T12:33:35.542Z", "type": "assistant_message", "messageId": "message:provider:claudeAgent:native-item:c27d3a58-fbec-438d-ae0a-632e035812ad", "text": "ROOT_STARTED", "streaming": false }, { "id": "turn-item:provider:claudeAgent:native-item:checkpoint%3Acheckpoint%3Ascope%3Acheckpoint-scope%253Athread%253Amcp%25253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%253Aname%253Aroot%3Aname%3A1", "threadId": "mcp:a8aa52ce-665d-4ce2-a49b-10517d2ddab4", "runId": "run:thread:mcp%3Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4:ordinal:1", "nodeId": "node:run:run%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1:root", "providerThreadId": "provider-thread:provider:claudeAgent:native-thread:pending%3Arun%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1", "providerTurnId": null, "nativeItemRef": null, "parentItemId": null, "ordinal": 1000006, "status": "completed", "title": null, "startedAt": "2026-11-11T12:33:35.566Z", "completedAt": "2026-11-11T12:33:35.566Z", "updatedAt": "2026-11-11T12:33:35.566Z", "type": "checkpoint", "checkpointId": "checkpoint:scope:checkpoint-scope%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aname%3Aroot:name:1", "scopeId": "checkpoint-scope:thread:mcp%3Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4:name:root", "files": [] }, { "id": "turn-item:message:message%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1%3A54468b1c-c64c-4376-91ee-35a2978c1f25", "threadId": "mcp:a8aa52ce-665d-4ce2-a49b-10517d2ddab4", "runId": "run:thread:mcp%3Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4:ordinal:2", "nodeId": "node:run:run%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A2:root", "providerThreadId": "provider-thread:provider:claudeAgent:native-thread:pending%3Arun%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1", "providerTurnId": null, "nativeItemRef": null, "parentItemId": null, "ordinal": 2000001, "status": "completed", "title": null, "startedAt": "2026-11-11T12:35:17.261Z", "completedAt": "2026-11-11T12:35:17.261Z", "updatedAt": "2026-11-11T12:35:17.261Z", "type": "notification", "source": { "kind": "background_task", "work": "subagent", "childThreadId": "thread:provider:claudeAgent:native-thread:provider-thread%3Aprovider%3AclaudeAgent%3Anative-thread%3Apending%253Arun%253Athread%253Amcp%25253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%253Aordinal%253A1%3Aad68608b5f929b931" }, "outcome": "completed", "summary": "Subagent \"Background delegation regression repro\" finished" }, { "id": "turn-item:provider:claudeAgent:native-item:msg_011Cgw9eFGG1U1dL9vXL9koq%3Athinking%3A0", "threadId": "mcp:a8aa52ce-665d-4ce2-a49b-10517d2ddab4", "runId": "run:thread:mcp%3Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4:ordinal:2", "nodeId": "node:run:run%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A2:root", "providerThreadId": "provider-thread:provider:claudeAgent:native-thread:pending%3Arun%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1", "providerTurnId": "provider-turn:provider:claudeAgent:native-turn:turn%3Arun-attempt%3Arun%3Arun%253Athread%253Amcp%25253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%253Aordinal%253A2%3Aattempt%3A1", "nativeItemRef": { "driver": "claudeAgent", "nativeId": "msg_011Cgw9eFGG1U1dL9vXL9koq:thinking:0", "strength": "strong" }, "parentItemId": null, "ordinal": 2000002, "status": "completed", "title": "Thinking", "startedAt": "2026-11-11T12:35:18.457Z", "completedAt": "2026-11-11T12:35:20.940Z", "updatedAt": "2026-11-11T12:35:20.940Z", "type": "reasoning", "text": "The background agent has finished with an error, so I'll report that the delay completed and list the capabilities, along with the delegate_task failure, quoting the parent_not_active error exactly. I'll also note that the agent chose a model by name without any verified cost, but I won't name runtime model identifiers in my reply.\n\nI'll leave out the model name and say only that a Codex model was picked, since the error itself doesn't name one. I also used the native background agent even though delegate_task was the preferred route, and the user had approved that, so there's no need to bring it up at length.\n\n", "streaming": false }, { "id": "turn-item:provider:claudeAgent:native-item:c516c2cb-dba9-4799-8ef7-b50bdbefdc95", "threadId": "mcp:a8aa52ce-665d-4ce2-a49b-10517d2ddab4", "runId": "run:thread:mcp%3Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4:ordinal:2", "nodeId": "node:provider:claudeAgent:native-item:c516c2cb-dba9-4799-8ef7-b50bdbefdc95", "providerThreadId": "provider-thread:provider:claudeAgent:native-thread:pending%3Arun%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1", "providerTurnId": "provider-turn:provider:claudeAgent:native-turn:turn%3Arun-attempt%3Arun%3Arun%253Athread%253Amcp%25253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%253Aordinal%253A2%3Aattempt%3A1", "nativeItemRef": { "driver": "claudeAgent", "nativeId": "c516c2cb-dba9-4799-8ef7-b50bdbefdc95", "strength": "strong" }, "parentItemId": null, "ordinal": 2000003, "status": "completed", "title": null, "startedAt": "2026-11-11T12:35:20.944Z", "completedAt": "2026-11-11T12:35:20.944Z", "updatedAt": "2026-11-11T12:35:20.944Z", "type": "assistant_message", "messageId": "message:provider:claudeAgent:native-item:c516c2cb-dba9-4799-8ef7-b50bdbefdc95", "text": "The background Agent finished, but the delegation failed, so there is no `OK` completion to report.\n\n- **Delay:** The 90-second Python delay ran and printed `DELAY_COMPLETE`.\n- **Capabilities:** The orchestrator listed Codex models. The agent chose the one it judged cheapest by name. The output had no pricing, so that choice was not verified.\n- **Delegation result (verbatim):** `{\"_tag\":\"OrchestratorMcpFailure\",\"code\":\"parent_not_active\",\"message\":\"Delegated tasks require an active run owned by this MCP provider session.\"}`\n\nThe agent did not retry or change the task, as instructed. No child agent started. The failure looks like the delegate tool wasn't tied to an active run in the sub-agent's session. That is the thing to check if you want to reproduce it.", "streaming": false }, { "id": "turn-item:provider:claudeAgent:native-item:checkpoint%3Acheckpoint%3Ascope%3Acheckpoint-scope%253Athread%253Amcp%25253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%253Aname%253Aroot%3Aname%3A2", "threadId": "mcp:a8aa52ce-665d-4ce2-a49b-10517d2ddab4", "runId": "run:thread:mcp%3Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4:ordinal:2", "nodeId": "node:run:run%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A2:root", "providerThreadId": "provider-thread:provider:claudeAgent:native-thread:pending%3Arun%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aordinal%3A1", "providerTurnId": null, "nativeItemRef": null, "parentItemId": null, "ordinal": 2000004, "status": "completed", "title": null, "startedAt": "2026-11-11T12:35:20.977Z", "completedAt": "2026-11-11T12:35:20.977Z", "updatedAt": "2026-11-11T12:35:20.977Z", "type": "checkpoint", "checkpointId": "checkpoint:scope:checkpoint-scope%3Athread%3Amcp%253Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4%3Aname%3Aroot:name:2", "scopeId": "checkpoint-scope:thread:mcp%3Aa8aa52ce-665d-4ce2-a49b-10517d2ddab4:name:root", "files": [] } ], "events": [] }