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Do exactly two things and then report back:\n\n1. Run the shell command `pwd` and note its output.\n2. Call the MCP tool `mcp__plugin_host-test_host-test-raw__probe` (from the host-test-raw server) with the argument {\"note\": \"nested\"}. Its schema takes an optional string field \"note\". If the tool isn't directly callable, first use ToolSearch w…[+421 chars]","subagent_type":"general-purpose","run_in_background":false},"tool_response":{"status":"completed","prompt":"This is a diagnostic/test task, not real production work. Do exactly two things and then report back:\n\n1. Run the shell command `pwd` and note its output.\n2. Call the MCP tool `mcp__plugin_host-test_host-test-raw__probe` (from the host-test-raw server) with the argument {\"note\": \"nested\"}. Its schema takes an optional string field \"note\". 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Full raw JSON response from `probe` tool call:**\n```json\n{\"log\":\"/tmp/host-test/claude/log/captures.ndjson\",\"observed\":{\"client\":{\"name\":\"claude-code\",\"title\":\"Claude Code\",\"version\":\"2.1.257\",\"websiteUrl\":\"https://claude.com/claude-code\",\"description\":\"Anthropic's agentic coding tool\"},\"clientCapabilities\":{\"…[+738 chars]"}],"resolvedModel":"claude-sonnet-5","totalDurationMs":11456,"totalTokens":18304,"totalToolUseCount":3,"usage":{"input_tokens":2,"cache_creation_input_tokens":576,"cache_read_input_tokens":17094,"output_tokens":632,"output_tokens_details":{"thinking_tokens":0},"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":0,"ephemeral_5m_input_tokens":576},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":632,"cache_read_input_tokens":17094,"cache_creation_input_tokens":576,"cache_creation":{"ephemeral_5m_input_tokens":576,"ephemeral_1h_input_tokens":0},"type":"message"}],"speed":"standard"},"toolStats":{"readCount":0,"searchCount":0,"bashCount":1,"editFileCount":0,"linesAdded":0,"linesRemoved":0,"otherToolCount":2}},"tool_use_id":"toolu_01UVEhb7U5AgH64pLe2rA7Gc","duration_ms":11456}},"host":"claude","kind":"event","process":{"cwd":"/tmp/host-test/claude-workspace","entry":"/fast/projects/agent-bundle-worktrees/claude-recapture/examples/host-test/artifact/claude/mcp/mcp-host-test-0d229f1b-flight.mjs","pid":1485655,"ppid":1484603},"recordedAt":"2026-09-03T16:56:58.397Z","request":{"host":{"source":"native","state":"available","value":{"name":"claude"}},"invocation":{"kind":"event"},"lineage":{"source":"derived","state":"available","value":{"conversation":"a8879521f57003efe","depth":1,"generation":"9f49e3b9-5900-48ee-9f9a-3f090820f1ea","parent":"b255be60-9740-46f5-a38c-730a98bc24e9","resolution":"registry","root":"b255be60-9740-46f5-a38c-730a98bc24e9","subagent":{"id":"a8879521f57003efe","toolCallId":"toolu_01VajoKkbcw1ysPM7XT3jmj5","type":"general-purpose"}}},"session":{"source":"native","state":"available","value":{"sessionId":"b255be60-9740-46f5-a38c-730a98bc24e9"}}},"runtime":"shared-runtime","sequence":43} +{"event":{"canonical":{"event":"agent/stop","idempotencyKey":"98736a1a9fe73a6c58587ccfc432cd75a2100989d2c01c682c6f9f8c8dd483ee","observedAt":"2026-09-03T16:57:27.099Z","provenance":{"host":"claude","hostContractRevision":"2.1.250","nativeEvent":"SubagentStop","source":"native"},"sequence":42},"native":{"session_id":"b255be60-9740-46f5-a38c-730a98bc24e9","transcript_path":"/tmp/host-test/claude-home/.claude/projects/-tmp-host-test-claude-workspace/b255be60-9740-46f5-a38c-730a98bc24e9.jsonl","cwd":"/tmp/host-test/claude-workspace","prompt_id":"9f49e3b9-5900-48ee-9f9a-3f090820f1ea","permission_mode":"bypassPermissions","agent_id":"a8879521f57003efe","agent_type":"general-purpose","effort":{"level":"high"},"hook_event_name":"SubagentStop","stop_hook_active":false,"agent_transcript_path":"/tmp/host-test/claude-home/.claude/projects/-tmp-host-test-claude-workspace/b255be60-9740-46f5-a38c-730a98bc24e9/subagents/agent-a8879521f57003efe.jsonl","last_assistant_message":"Here is what I did and every id I observed.\n\n**Steps performed**\n1. `pwd` → `/tmp/host-test/claude-workspace`\n2. Called `mcp__plugin_host-test_host-test__dump` (result too large for inline output — sa…[+2552 chars]","background_tasks":[],"session_crons":[]}},"host":"claude","kind":"event","process":{"cwd":"/tmp/host-test/claude-workspace","entry":"/fast/projects/agent-bundle-worktrees/claude-recapture/examples/host-test/artifact/claude/mcp/mcp-host-test-0d229f1b-flight.mjs","pid":1485655,"ppid":1484603},"recordedAt":"2026-09-03T16:57:27.106Z","request":{"host":{"source":"native","state":"available","value":{"name":"claude"}},"invocation":{"kind":"event"},"lineage":{"source":"derived","state":"available","value":{"conversation":"a8879521f57003efe","depth":1,"generation":"9f49e3b9-5900-48ee-9f9a-3f090820f1ea","parent":"b255be60-9740-46f5-a38c-730a98bc24e9","resolution":"registry","root":"b255be60-9740-46f5-a38c-730a98bc24e9","subagent":{"id":"a8879521f57003efe","toolCallId":"toolu_01VajoKkbcw1ysPM7XT3jmj5","type":"general-purpose"}}},"session":{"source":"native","state":"available","value":{"sessionId":"b255be60-9740-46f5-a38c-730a98bc24e9"}}},"runtime":"shared-runtime","sequence":44} +{"event":{"canonical":{"event":"tool/after","idempotencyKey":"502f760476bab272217131f576d808744f5d7ae14d9fcd862b44cc5a4c628923","observedAt":"2026-09-03T16:57:27.260Z","provenance":{"host":"claude","hostContractRevision":"2.1.250","nativeEvent":"PostToolUse","source":"native"},"sequence":43},"native":{"session_id":"b255be60-9740-46f5-a38c-730a98bc24e9","transcript_path":"/tmp/host-test/claude-home/.claude/projects/-tmp-host-test-claude-workspace/b255be60-9740-46f5-a38c-730a98bc24e9.jsonl","cwd":"/tmp/host-test/claude-workspace","prompt_id":"9f49e3b9-5900-48ee-9f9a-3f090820f1ea","permission_mode":"bypassPermissions","effort":{"level":"high"},"hook_event_name":"PostToolUse","tool_name":"Agent","tool_input":{"description":"Host-test probe subagent","prompt":"Run the shell command `pwd`, call the host-test `dump` tool with {}, call the host-test-raw `probe` tool with {\"note\":\"subagent\"}, then if you can spawn a nested subagent do so with the instruction to run `pwd` and call `probe` with {\"note\":\"nested\"}, and finally reply with every id you saw.","subagent_type":"general-purpose","run_in_background":false},"tool_response":{"status":"completed","prompt":"Run the shell command `pwd`, call the host-test `dump` tool with {}, call the host-test-raw `probe` tool with {\"note\":\"subagent\"}, then if you can spawn a nested subagent do so with the instruction to run `pwd` and call `probe` with {\"note\":\"nested\"}, and finally reply with every id you saw.","agentId":"a8879521f57003efe","agentType":"general-purpose","harnessNoteCount":0,"harnessTailCount":0,"harnessSectionHash":"7977979668aa282e","content":[{"type":"text","text":"Here is what I did and every id I observed.\n\n**Steps performed**\n1. `pwd` → `/tmp/host-test/claude-workspace`\n2. Called `mcp__plugin_host-test_host-test__dump` (result too large for inline output — saved to `/tmp/host-test/claude-home/.claude/projects/-tmp-host-test-claude-workspace/b255be60-9740-46f5-a38c-730a98bc24e9/tool-results/mcp-plugin_host-test_host-test-dump-1788454544040.txt`; I parsed i…[+2352 chars]"}],"resolvedModel":"claude-sonnet-5","totalDurationMs":114564,"totalTokens":43021,"totalToolUseCount":10,"usage":{"input_tokens":2,"cache_creation_input_tokens":2197,"cache_read_input_tokens":38252,"output_tokens":2570,"output_tokens_details":{"thinking_tokens":1127},"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":0,"ephemeral_5m_input_tokens":2197},"inference_geo":"not_available","iterations":[{"input_tokens":2,"output_tokens":2570,"cache_read_input_tokens":38252,"cache_creation_input_tokens":2197,"cache_creation":{"ephemeral_5m_input_tokens":2197,"ephemeral_1h_input_tokens":0},"type":"message"}],"speed":"standard"},"toolStats":{"readCount":0,"searchCount":0,"bashCount":5,"editFileCount":0,"linesAdded":0,"linesRemoved":0,"otherToolCount":4}},"tool_use_id":"toolu_01VajoKkbcw1ysPM7XT3jmj5","duration_ms":114564}},"host":"claude","kind":"event","process":{"cwd":"/tmp/host-test/claude-workspace","entry":"/fast/projects/agent-bundle-worktrees/claude-recapture/examples/host-test/artifact/claude/mcp/mcp-host-test-0d229f1b-flight.mjs","pid":1485655,"ppid":1484603},"recordedAt":"2026-09-03T16:57:27.265Z","request":{"host":{"source":"native","state":"available","value":{"name":"claude"}},"invocation":{"kind":"event"},"lineage":{"source":"native","state":"available","value":{"conversation":"b255be60-9740-46f5-a38c-730a98bc24e9","depth":0,"generation":"9f49e3b9-5900-48ee-9f9a-3f090820f1ea","resolution":"native","root":"b255be60-9740-46f5-a38c-730a98bc24e9"}},"session":{"source":"native","state":"available","value":{"sessionId":"b255be60-9740-46f5-a38c-730a98bc24e9"}}},"runtime":"shared-runtime","sequence":45} 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/tmp/host-test/claude/log/captures.ndjson","background_tasks":[],"session_crons":[]}},"host":"claude","kind":"event","process":{"cwd":"/tmp/host-test/claude-workspace","entry":"/fast/projects/agent-bundle-worktrees/claude-recapture/examples/host-test/artifact/claude/mcp/mcp-host-test-0d229f1b-flight.mjs","pid":1485655,"ppid":1484603},"recordedAt":"2026-09-03T16:57:28.442Z","request":{"host":{"source":"native","state":"available","value":{"name":"claude"}},"invocation":{"kind":"event"},"lineage":{"source":"native","state":"available","value":{"conversation":"b255be60-9740-46f5-a38c-730a98bc24e9","depth":0,"generation":"9f49e3b9-5900-48ee-9f9a-3f090820f1ea","resolution":"native","root":"b255be60-9740-46f5-a38c-730a98bc24e9"}},"session":{"source":"native","state":"available","value":{"sessionId":"b255be60-9740-46f5-a38c-730a98bc24e9"}}},"runtime":"shared-runtime","sequence":46} 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diff --git a/fixtures/host-lineage/claude-2.1.257.ndjson b/fixtures/host-lineage/claude-2.1.257.ndjson index 540fad190..43996c6ad 100644 --- a/fixtures/host-lineage/claude-2.1.257.ndjson +++ b/fixtures/host-lineage/claude-2.1.257.ndjson @@ -1,37 +1,48 @@ -{"env":{"names":["ANTHROPIC_API_KEY","ANTHROPIC_BASE_URL","CLAUDE_CODE_CHILD_SESSION","CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC","CLAUDE_CODE_ENTRYPOINT","CLAUDE_CODE_MESSAGING_SOCKET","CLAUDE_CODE_MESSAGING_TOKEN","CLAUDE_CODE_SESSION_ID","CLAUDE_CONFIG_DIR","CLAUDE_ENV_FILE","CLAUDE_PID","CLAUDE_PLUGIN_DATA","CLAUDE_PLUGIN_ROOT","CLAUDE_PROJECT_DIR","CURSOR_AGENT","CURSOR_CONVERSATION_ID","CURSOR_LAYOUT","CURSOR_REQUEST_ID","CURSOR_RIPGREP_PATH","HOST_TEST_LOG_DIR"]},"event":{"canonical":{"event":"session/start","idempotencyKey":"5318f6a4c8a238c2f888fc8959c3ff1f1b59c2ac742c0650dd60d2cb0974a02c","observedAt":"2026-09-03T09:35:22.037Z","provenance":{"host":"claude","hostContractRevision":"2.1.250","nativeEvent":"SessionStart","source":"native"},"sequence":1},"native":{"session_id":"1689a5f8-6416-43f1-af26-2aef59604473","transcript_path":"/tmp/host-test/claude-home/.claude/projects/-tmp-host-test-claude-workspace/1689a5f8-6416-43f1-af26-2aef59604473.jsonl","cwd":"/tmp/host-test/claude-workspace","hook_event_name":"SessionStart","source":"startup"}},"host":"claude","kind":"event","process":{"cwd":"/tmp/host-test/claude-workspace","entry":"/fast/projects/agent-bundle-worktrees/host-test/examples/host-test/artifact/claude/hooks/hooks-flight.mjs","pid":1168234,"ppid":1168232},"recordedAt":"2026-09-03T09:35:22.360Z","request":{"host":{"source":"native","state":"available","value":{"name":"claude"}},"invocation":{"kind":"event"},"lineage":{"source":"native","state":"available","value":{"conversation":"1689a5f8-6416-43f1-af26-2aef59604473","depth":0,"resolution":"native","root":"1689a5f8-6416-43f1-af26-2aef59604473"}},"session":{"source":"native","state":"available","value":{"sessionId":"1689a5f8-6416-43f1-af26-2aef59604473"}}},"runtime":"standalone-hook","sequence":1} 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Do the scripted steps."}},"host":"claude","kind":"event","process":{"cwd":"/tmp/host-test/claude-workspace","entry":"/fast/projects/agent-bundle-worktrees/host-test/examples/host-test/artifact/claude/mcp/mcp-host-test-0d229f1b-flight.mjs","pid":1168277,"ppid":1167698},"recordedAt":"2026-09-03T09:35:22.710Z","request":{"host":{"source":"native","state":"available","value":{"name":"claude"}},"invocation":{"kind":"event"},"lineage":{"source":"native","state":"available","value":{"conversation":"1689a5f8-6416-43f1-af26-2aef59604473","depth":0,"generation":"25d4fdbe-964c-4b03-a159-fab0c77688cd","resolution":"native","root":"1689a5f8-6416-43f1-af26-2aef59604473"}},"session":{"source":"native","state":"available","value":{"sessionId":"1689a5f8-6416-43f1-af26-2aef59604473"}}},"runtime":"shared-runtime","sequence":1} 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requested steps. Here's a summary and every id observed.\n\n**Steps executed:**\n1. `pwd` → `/tmp/host-test/claude-workspace`\n2. `dump` (host-test MCP) → returned the full captures…[+2435 chars]","background_tasks":[{"id":"aebe95b6e051369a4","type":"subagent","status":"running","description":"Host-test probe subagent","agent_type":"general-purpose"}],"session_crons":[]}},"host":"claude","kind":"event","process":{"cwd":"/tmp/host-test/claude-workspace","entry":"/fast/projects/agent-bundle-worktrees/claude-recapture/examples/host-test/artifact/claude/mcp/mcp-host-test-0d229f1b-flight.mjs","pid":2190876,"ppid":2190055},"recordedAt":"2026-09-03T17:04:30.784Z","request":{"host":{"source":"native","state":"available","value":{"name":"claude"}},"invocation":{"kind":"event"},"lineage":{"source":"derived","state":"available","value":{"conversation":"aebe95b6e051369a4","depth":1,"generation":"a78d8bed-e865-426a-a3e4-ee9ce500493c","parent":"7f7a50ca-3609-4612-8db1-a34c8985088a","resolution":"registry","root":"7f7a50ca-3609-4612-8db1-a34c8985088a","subagent":{"id":"aebe95b6e051369a4","toolCallId":"toolu_01SBPPGNz68931X1EDq8E5is","type":"general-purpose"}}},"session":{"source":"native","state":"available","value":{"sessionId":"7f7a50ca-3609-4612-8db1-a34c8985088a"}}},"runtime":"shared-runtime","sequence":41} +{"event":{"canonical":{"event":"prompt/submit","idempotencyKey":"b504d2cc8c73f858d0aeb1d96d7908989fded2925b62f40b864960bb535651af","observedAt":"2026-09-03T17:04:30.934Z","provenance":{"host":"claude","hostContractRevision":"2.1.250","nativeEvent":"UserPromptSubmit","source":"native"},"sequence":39},"native":{"session_id":"7f7a50ca-3609-4612-8db1-a34c8985088a","transcript_path":"/tmp/host-test/claude-home/.claude/projects/-tmp-host-test-claude-workspace/7f7a50ca-3609-4612-8db1-a34c8985088a.jsonl","cwd":"/tmp/host-test/claude-workspace","prompt_id":"9dfae8bb-0a04-4add-be69-9f6c914ac12d","permission_mode":"bypassPermissions","hook_event_name":"UserPromptSubmit","prompt":"\naebe95b6e051369a4\ntoolu_01SBPPGNz68931X1EDq8E5is\n/tmp/claude-1000/-tmp-host-test-claude-workspace/7f7a50ca-3609-4612-8db1…[+3142 chars]"}},"host":"claude","kind":"event","process":{"cwd":"/tmp/host-test/claude-workspace","entry":"/fast/projects/agent-bundle-worktrees/claude-recapture/examples/host-test/artifact/claude/mcp/mcp-host-test-0d229f1b-flight.mjs","pid":2190876,"ppid":2190055},"recordedAt":"2026-09-03T17:04:30.937Z","request":{"host":{"source":"native","state":"available","value":{"name":"claude"}},"invocation":{"kind":"event"},"lineage":{"source":"native","state":"available","value":{"conversation":"7f7a50ca-3609-4612-8db1-a34c8985088a","depth":0,"generation":"9dfae8bb-0a04-4add-be69-9f6c914ac12d","resolution":"native","root":"7f7a50ca-3609-4612-8db1-a34c8985088a"}},"session":{"source":"native","state":"available","value":{"sessionId":"7f7a50ca-3609-4612-8db1-a34c8985088a"}}},"runtime":"shared-runtime","sequence":42} +{"event":{"canonical":{"event":"stop","idempotencyKey":"31f5148853b9539780f6ceb41867e623df471d5739680b0d9a594eb16af575c1","observedAt":"2026-09-03T17:04:34.261Z","provenance":{"host":"claude","hostContractRevision":"2.1.250","nativeEvent":"Stop","source":"native"},"sequence":40},"native":{"session_id":"7f7a50ca-3609-4612-8db1-a34c8985088a","transcript_path":"/tmp/host-test/claude-home/.claude/projects/-tmp-host-test-claude-workspace/7f7a50ca-3609-4612-8db1-a34c8985088a.jsonl","cwd":"/tmp/host-test/claude-workspace","prompt_id":"9dfae8bb-0a04-4add-be69-9f6c914ac12d","permission_mode":"bypassPermissions","effort":{"level":"high"},"hook_event_name":"Stop","stop_hook_active":false,"last_assistant_message":"The subagent completed successfully, confirming the nested-subagent chain and all recorded ids. All 6 steps are done.\n\nHOST_TEST_DONE /tmp/host-test/claude/log/captures.ndjson","background_tasks":[],"session_crons":[]}},"host":"claude","kind":"event","process":{"cwd":"/tmp/host-test/claude-workspace","entry":"/fast/projects/agent-bundle-worktrees/claude-recapture/examples/host-test/artifact/claude/mcp/mcp-host-test-0d229f1b-flight.mjs","pid":2190876,"ppid":2190055},"recordedAt":"2026-09-03T17:04:34.263Z","request":{"host":{"source":"native","state":"available","value":{"name":"claude"}},"invocation":{"kind":"event"},"lineage":{"source":"native","state":"available","value":{"conversation":"7f7a50ca-3609-4612-8db1-a34c8985088a","depth":0,"generation":"9dfae8bb-0a04-4add-be69-9f6c914ac12d","resolution":"native","root":"7f7a50ca-3609-4612-8db1-a34c8985088a"}},"session":{"source":"native","state":"available","value":{"sessionId":"7f7a50ca-3609-4612-8db1-a34c8985088a"}}},"runtime":"shared-runtime","sequence":43} +{"event":{"canonical":{"event":"session/end","idempotencyKey":"384705fc9121f5e9bf9a28977175d3736cc9f316a663325f8890f31a4e76d3fb","observedAt":"2026-09-03T17:04:34.500Z","provenance":{"host":"claude","hostContractRevision":"2.1.250","nativeEvent":"SessionEnd","source":"native"},"sequence":1},"native":{"session_id":"7f7a50ca-3609-4612-8db1-a34c8985088a","transcript_path":"/tmp/host-test/claude-home/.claude/projects/-tmp-host-test-claude-workspace/7f7a50ca-3609-4612-8db1-a34c8985088a.jsonl","cwd":"/tmp/host-test/claude-workspace","prompt_id":"9dfae8bb-0a04-4add-be69-9f6c914ac12d","hook_event_name":"SessionEnd","reason":"other"}},"host":"claude","kind":"event","process":{"cwd":"/tmp/host-test/claude-workspace","entry":"/fast/projects/agent-bundle-worktrees/claude-recapture/examples/host-test/artifact/claude/hooks/hooks-flight.mjs","pid":2313821,"ppid":2313819},"recordedAt":"2026-09-03T17:04:34.839Z","request":{"host":{"source":"native","state":"available","value":{"name":"claude"}},"invocation":{"kind":"event"},"lineage":{"source":"native","state":"available","value":{"conversation":"7f7a50ca-3609-4612-8db1-a34c8985088a","depth":0,"generation":"9dfae8bb-0a04-4add-be69-9f6c914ac12d","resolution":"native","root":"7f7a50ca-3609-4612-8db1-a34c8985088a"}},"session":{"source":"native","state":"available","value":{"sessionId":"7f7a50ca-3609-4612-8db1-a34c8985088a"}}},"runtime":"standalone-hook","sequence":1} diff --git a/packages/rsc-runtime/tests/lineage-registry.test.ts b/packages/rsc-runtime/tests/lineage-registry.test.ts index e1b9a0b2d..211a27ef5 100644 --- a/packages/rsc-runtime/tests/lineage-registry.test.ts +++ b/packages/rsc-runtime/tests/lineage-registry.test.ts @@ -64,9 +64,18 @@ const value = (observed: Awaited>) = }; describe('lineage registry replaying the 2026-09-03 host captures', () => { - it('Claude 2.1.257: subagent events resolve to their own agent under the root session, nested depth 2, parent inferred from the open Agent call', async () => { + // Two live-model Claude Code 2.1.257 sessions (claude-sonnet-5, 2026-09-03): + // the primary fixture's root spawn ran in the background (`Agent` + // PostToolUse `status: async_launched` right after SubagentStart, `Stop` + // while the child still ran, a `` re-prompt afterwards); + // the foreground fixture's spawns block until the child finishes. Lineage + // must come out the same either way. + it.each([ + ['background root spawn', 'claude-2.1.257.ndjson'], + ['foreground spawns', 'claude-2.1.257-foreground.ndjson'], + ])('Claude 2.1.257 (%s): subagent events resolve to their own agent under the root session, nested depth 2, parent inferred from the open Agent call', async (_label, name) => { const registry = createAgentLineageRegistry(); - const records = fixture('claude-2.1.257.ndjson'); + const records = fixture(name); const lineages = await replay('claude', records, registry); const root = records[0]!.event!.native['session_id'] as string; const [subagent, nested] = records @@ -102,6 +111,16 @@ describe('lineage registry replaying the 2026-09-03 host captures', () => { const nestedTool = lineages.find((entry) => entry.kind === 'tool/before' && entry.native?.['agent_id'] === nested)!; expect(value(nestedTool.lineage)).toMatchObject({ conversation: nested, depth: 2, parent: subagent, root }); + // The host confirms each claim after the fact: the parent's `Agent` + // PostToolUse names the child it produced in `tool_response.agentId`, + // whether the child ran in the background (`async_launched`) or blocked + // the parent until it finished (`completed`). + const spawnResults = records + .filter((record) => record.event?.canonical.event === 'tool/after' && record.event.native['tool_name'] === 'Agent') + .map((record) => record.event!.native['tool_response'] as { readonly agentId: string; readonly status: string }); + expect(new Set(spawnResults.map((result) => result.agentId))).toEqual(new Set([subagent, nested])); + for (const result of spawnResults) expect(['async_launched', 'completed']).toContain(result.status); + // The MCP probe call carries claudecode/toolUseId, which names the open PreToolUse. const probes = lineages.filter((entry) => entry.kind === 'mcp:probe'); expect(probes.map((entry) => value(entry.lineage).depth)).toEqual([0, 1, 2]); From 68a2b4d8af12e5697d95be95a10a282cae50835f Mon Sep 17 00:00:00 2001 From: ScriptedAlchemy Date: Thu, 3 Sep 2026 19:06:20 +0000 Subject: [PATCH 2/7] fix(agent-bundle): run the packed native smokes through npm and guard only Claude settings and plugins across a real turn --- .changeset/claude-live-lineage-evidence.md | 5 +++ package.json | 4 +-- .../adapters/capabilities/claude-2.1.250.json | 11 +++--- .../tests/packed-native-smoke.test.ts | 34 +++++++++++++++++++ .../tests/support/packed-native-smoke.ts | 19 ++++++++--- scripts/run-packed-native-smoke.mjs | 6 ++++ 6 files changed, 68 insertions(+), 11 deletions(-) create mode 100644 .changeset/claude-live-lineage-evidence.md diff --git a/.changeset/claude-live-lineage-evidence.md b/.changeset/claude-live-lineage-evidence.md new file mode 100644 index 000000000..9a849178e --- /dev/null +++ b/.changeset/claude-live-lineage-evidence.md @@ -0,0 +1,5 @@ +--- +"agent-bundle": patch +--- + +Record live-model evidence (Claude Code 2.1.257, 2026-09-03) on the Claude capability table's `lineage.subagent-events`, `lineage.root`, `lineage.parent`, and `lineage.mcp-correlation` rows — the parent's `Agent` PostToolUse names the child in `tool_response.agentId`, `background_tasks[]` lists only background subagents, and `claudecode/toolUseId` correlates parallel MCP calls — and route `pnpm test:packed:native:claude` / `pnpm test:packed:native:codex` through `scripts/run-packed-native-smoke.mjs` so the opt-in packed native smokes pack and install with npm instead of failing under pnpm's `pack --json` and `install --omit=dev`. Emitted host output and `adapterRevision` are unchanged. (#PR) diff --git a/package.json b/package.json index 12d16301e..5d35dedf9 100644 --- a/package.json +++ b/package.json @@ -36,8 +36,8 @@ "test:packed": "node scripts/run-packed-tests.mjs", "test:packed:release": "node scripts/run-packed-tests.mjs --release", "test:packed:native": "rstest --config rstest.config.ts packages/agent-bundle/tests/packed-native-smoke.test.ts", - "test:packed:native:claude": "pnpm build && AGENT_BUNDLE_PACKED_NATIVE_CLAUDE_SMOKE=1 pnpm test:packed:native", - "test:packed:native:codex": "pnpm build && AGENT_BUNDLE_PACKED_NATIVE_CODEX_SMOKE=1 pnpm test:packed:native", + "test:packed:native:claude": "node scripts/run-packed-native-smoke.mjs claude", + "test:packed:native:codex": "node scripts/run-packed-native-smoke.mjs codex", "test:host-install": "rstest --config rstest.config.ts packages/agent-bundle/tests/host-install-proof.test.ts packages/agent-bundle/tests/dev-host-install.test.ts packages/agent-bundle/tests/dev-live-host.test.ts", "test:host-install:build": "pnpm build && pnpm test:host-install", "test:host-install:packed": "rstest --config rstest.config.ts packages/agent-bundle/tests/packed-host-install-proof.test.ts", diff --git a/packages/agent-bundle/src/adapters/capabilities/claude-2.1.250.json b/packages/agent-bundle/src/adapters/capabilities/claude-2.1.250.json index b7bb72600..47061bba6 100644 --- a/packages/agent-bundle/src/adapters/capabilities/claude-2.1.250.json +++ b/packages/agent-bundle/src/adapters/capabilities/claude-2.1.250.json @@ -160,18 +160,20 @@ "subagent-events": { "state": "supported", "evidence": [ - "2026-09-03 live capture (docs/audits/2026-09-03-host-lineage-matrix.md): SubagentStart/SubagentStop carry agent_id and agent_type; every hook inside a subagent carries the subagent's agent_id and the root session_id." + "2026-09-03 live capture (docs/audits/2026-09-03-host-lineage-matrix.md): SubagentStart/SubagentStop carry agent_id and agent_type; every hook inside a subagent carries the subagent's agent_id and the root session_id.", + "2026-09-03 live model (Claude Code 2.1.257, claude-sonnet-5; fixtures/host-lineage/claude-2.1.257.ndjson and claude-2.1.257-foreground.ndjson) re-verified the stand-in capture: the parent's Agent PostToolUse tool_response.agentId names the child (status async_launched for a background spawn right after SubagentStart, completed for a foreground spawn after the child's SubagentStop); Stop/SubagentStop background_tasks[] lists only background subagents still running, including the stopping agent itself; a finished background child re-enters the root as a UserPromptSubmit carrying task-id and tool-use-id." ] }, "root": { "state": "supported", "evidence": [ - "2026-09-03: session_id is the root session on every hook payload, including nested subagents." + "2026-09-03: session_id is the root session on every hook payload, including nested subagents.", + "2026-09-03 live model (Claude Code 2.1.257): 88 hook payloads across two sessions, every one carrying the root session_id; CLAUDE_CODE_SESSION_ID in hook and MCP server processes is the root id." ] }, "parent": { "state": "degraded", - "reason": "2026-09-03: no hook payload names a subagent's parent; the runtime registry infers it from the Agent/Task PreToolUse that is open when SubagentStart fires (resolution: registry)." + "reason": "2026-09-03: no hook payload names a subagent's parent; the runtime registry infers it from the Agent/Task PreToolUse that is open when SubagentStart fires (resolution: registry). Re-verified against the live model 2026-09-03 (Claude Code 2.1.257) at depth 1 and 2 in both background and foreground spawn paths; the parent's Agent PostToolUse tool_response.agentId confirms the inference after the fact." }, "depth": { "state": "degraded", @@ -180,7 +182,8 @@ "mcp-correlation": { "state": "supported", "evidence": [ - "2026-09-03: tools/call _meta carries claudecode/toolUseId equal to the PreToolUse tool_use_id, so the generated server resolves the caller's conversation through the open pre-tool hook." + "2026-09-03: tools/call _meta carries claudecode/toolUseId equal to the PreToolUse tool_use_id, so the generated server resolves the caller's conversation through the open pre-tool hook.", + "2026-09-03 live model (Claude Code 2.1.257): claudecode/toolUseId matched the open PreToolUse tool_use_id on every MCP call at depth 0, 1, and 2, including calls the model issued in parallel with two pre-tool windows open; MCP PostToolUse tool_response is a string and built-in-tool tool_response an object in every live payload." ] } }, diff --git a/packages/agent-bundle/tests/packed-native-smoke.test.ts b/packages/agent-bundle/tests/packed-native-smoke.test.ts index 0c6843047..c47591397 100644 --- a/packages/agent-bundle/tests/packed-native-smoke.test.ts +++ b/packages/agent-bundle/tests/packed-native-smoke.test.ts @@ -168,6 +168,40 @@ it('opaquely detects default ~/.claude.json mutation without extending custom co } }); +it('guards Claude settings and plugins across a real turn while tolerating the .claude.json rewrite', async () => { + const harness = await loadPackedNativeSmoke() as undefined | { + readonly normalClaudeSettingsAndPluginsUnchanged?: ( + environment: Readonly, + operation: () => Promise, + options?: Readonly<{ readonly homeDirectory: string }>, + ) => Promise; + }; + expect(harness?.normalClaudeSettingsAndPluginsUnchanged).toBeDefined(); + + const userHome = await mkdtemp(join(tmpdir(), 'agent-bundle-packed-claude-turn-')); + try { + await mkdir(join(userHome, '.claude', 'plugins'), { recursive: true }); + await Promise.all([ + writeFile(join(userHome, '.claude.json'), '{"opaque":"before"}\n'), + writeFile(join(userHome, '.claude', 'settings.json'), '{"model":"subscription"}\n'), + writeFile(join(userHome, '.claude', 'plugins', 'installed.json'), '{"plugins":[]}\n'), + ]); + // Claude Code 2.1.257 rewrites its session bookkeeping on every signed-in + // turn (observed 2026-09-03); that alone must not fail the packed smoke. + await expect(harness!.normalClaudeSettingsAndPluginsUnchanged!({}, async () => { + await writeFile(join(userHome, '.claude.json'), '{"opaque":"after"}\n'); + }, { homeDirectory: userHome })).resolves.toBe(true); + await expect(harness!.normalClaudeSettingsAndPluginsUnchanged!({}, async () => { + await writeFile(join(userHome, '.claude', 'settings.json'), '{"model":"changed"}\n'); + }, { homeDirectory: userHome })).resolves.toBe(false); + await expect(harness!.normalClaudeSettingsAndPluginsUnchanged!({}, async () => { + await writeFile(join(userHome, '.claude', 'plugins', 'installed.json'), '{"plugins":["changed"]}\n'); + }, { homeDirectory: userHome })).resolves.toBe(false); + } finally { + await rm(userHome, { force: true, recursive: true }); + } +}); + claudePluginIt('builds, strictly validates, and smoke-loads a packed Claude artifact', async () => { const harness = await loadPackedNativeSmoke(); expect(harness).toBeDefined(); diff --git a/packages/agent-bundle/tests/support/packed-native-smoke.ts b/packages/agent-bundle/tests/support/packed-native-smoke.ts index 92a26a39f..33ff94622 100644 --- a/packages/agent-bundle/tests/support/packed-native-smoke.ts +++ b/packages/agent-bundle/tests/support/packed-native-smoke.ts @@ -41,7 +41,12 @@ interface EvalDocument { export interface PackedNativeSmokeReport { readonly hosts: readonly { readonly host: PackedNativeHost; - readonly normalHome?: 'unchanged'; + /** + * Codex: auth, config, and plugins unchanged. Claude: settings and the + * installed-plugin tree unchanged — a real turn rewrites `.claude.json` + * session bookkeeping, so that file is not part of the guard. + */ + readonly normalHome?: 'settings-and-plugins-unchanged' | 'unchanged'; readonly status: 'failed' | 'passed'; readonly trials: number; }[]; @@ -396,15 +401,19 @@ export const runPackedNativeSmoke = async (options: { '--json', ], { cwd: project, environment }); }; - const claudeHomeUnchanged = host === 'claude' - ? await normalClaudeHomeUnchanged(options.environment, executeEval) + // The Claude Eval is a real signed-in turn, and Claude Code 2.1.257 + // rewrites `.claude.json` on every such turn (observed 2026-09-03, + // docs/audits/2026-09-03-claude-live-session-proofs.md), so the guard is + // the settings-and-plugins surface, as in the host-install session proofs. + const claudeSettingsAndPluginsUnchanged = host === 'claude' + ? await normalClaudeSettingsAndPluginsUnchanged(options.environment, executeEval) : undefined; if (host === 'codex') await executeEval(); if (command === undefined) throw new Error('Packed native smoke did not execute the selected Eval host.'); const summary = summarizeEval(host, command); if (host === 'claude') { - reports.push(claudeHomeUnchanged === true - ? Object.freeze({ ...summary, normalHome: 'unchanged' }) + reports.push(claudeSettingsAndPluginsUnchanged === true + ? Object.freeze({ ...summary, normalHome: 'settings-and-plugins-unchanged' }) : Object.freeze({ host, status: 'failed', trials: summary.trials })); } else if (before !== undefined) { const after = await digestNormalCodexState(normalCodexHome); diff --git a/scripts/run-packed-native-smoke.mjs b/scripts/run-packed-native-smoke.mjs index 8a0beade4..64c84e8b0 100644 --- a/scripts/run-packed-native-smoke.mjs +++ b/scripts/run-packed-native-smoke.mjs @@ -1,4 +1,10 @@ #!/usr/bin/env node +// Runs the opt-in packed native smoke for one host through `npm run`, never +// `pnpm run`: the smoke packs and installs the release tarball with the +// `npm_execpath` of the script runner, and only npm's entrypoint understands +// `pack --json` (array / package-keyed object) and `install --omit=dev +// --no-audit --no-fund`. Under pnpm the same proof fails before any host runs +// ("npm pack --json returned 4 entries", then "Unknown options: 'omit'"). import { spawn } from 'node:child_process'; From a40aebeded4e433058e8ea333e156312e369c5d2 Mon Sep 17 00:00:00 2001 From: ScriptedAlchemy Date: Thu, 3 Sep 2026 19:06:21 +0000 Subject: [PATCH 3/7] docs(audits): record the live Claude lineage capture and signed-in proof results --- .../2026-09-03-claude-live-session-proofs.md | 98 +++++++++++++ docs/audits/2026-09-03-host-lineage-matrix.md | 135 +++++++++++++----- 2 files changed, 201 insertions(+), 32 deletions(-) create mode 100644 docs/audits/2026-09-03-claude-live-session-proofs.md diff --git a/docs/audits/2026-09-03-claude-live-session-proofs.md b/docs/audits/2026-09-03-claude-live-session-proofs.md new file mode 100644 index 000000000..80d5e5a9b --- /dev/null +++ b/docs/audits/2026-09-03-claude-live-session-proofs.md @@ -0,0 +1,98 @@ +# Claude live session proofs — 2026-09-03 + +The three Claude proofs CI cannot run (they need a signed-in Claude Code) were +run by hand against Claude Code 2.1.257 on this machine, the same day the +live host-lineage capture replaced the scripted stand-in +(`docs/audits/2026-09-03-host-lineage-matrix.md` §8). This note records how +authentication was transplanted, exactly what each proof asserted, and what +failed. Raw logs stayed under `/tmp/claude-recapture/`; nothing from them is +reproduced here beyond counts, codes, and field names. + +## Authentication: isolated home, transplanted sign-in + +- The real `~/.claude` was opened **read-only**. Its `.credentials.json` + (interactive OAuth session) had expired and could not be refreshed: + `claude auth status` on the real home reported `loggedIn: false`, and a + turn in an isolated home seeded with a byte-for-byte copy failed with + `Failed to authenticate: OAuth session expired and could not be refreshed`. +- The operator's long-lived `claude setup-token` token + (`~/.claude/.claude_code_oauth_token`) was valid. `probe:install claude` + now writes it into the isolated `.credentials.json` when the copied session + is absent or its `expiresAt` has passed (`examples/host-test/README.md`). + `claude auth status` in that home: `loggedIn: true`, `authMethod: + claude.ai`, `apiProvider: firstParty`, `subscriptionType: max`. +- The proofs below ran with `HOME=/tmp/claude-recapture/proof-home`, a + directory holding only that `.claude/.credentials.json` and the probe's + onboarding `.claude.json`. `CLAUDE_CONFIG_DIR` was unset so the harnesses + resolved `$HOME/.claude` exactly as they would on a developer machine. The + real `~/.claude/.credentials.json`, `~/.claude/settings.json`, + `~/.claude/plugins/installed_plugins.json`, and `~/.claude.json` mtimes were + unchanged after every run (05:34, 08:12, 08:12, and 08:23 UTC respectively, + all earlier than the first isolated turn of the day at 16:55 UTC). +- The `packedNativeEnvironment` allowlist strips every credential-shaped + variable name (`*TOKEN*`, `*KEY*`, …), so a `CLAUDE_CODE_OAUTH_TOKEN` + environment transplant would not reach the host; the on-disk credentials + file is the only route these proofs can authenticate through. + +## Results + +| Proof | Command (as run) | Result | Assertions that held | Notes | +| --- | --- | --- | --- | --- | +| Host-install session token proof | `HOME= pnpm test:host-install:session:claude` (= `AGENT_BUNDLE_HOST_INSTALL_CLAUDE_SESSION=1`) | **pass** — 2/2 tests, 0 skipped (`resolves the Claude arguments, plugin-root, and skill-root tokens in a real session` ran, not skipped) | `claudeVersion` matches `^\d+\.\d+\.\d+$` (2.1.257); `invocation.mode: 'inline --plugin-dir session'`, `model: 'claude-sonnet-4-5'`, `attempts ≤ 2`; markers `arguments = CLAUDE_SESSION_ARGUMENT`, `pluginRoot: '.'`, `skillRoot: 'skills/token-probe'`; `resolved.pluginRoot` and `resolved.skillRoot` are absolute paths that exist and equal the loaded bundle root / its `skills/token-probe`; `normalHome.settingsAndPlugins: 'unchanged'`, `normalHome.sessionBookkeeping: 'rewritten by Claude Code on every real turn'`; the report matches no credential, home-path, or stdout/stderr pattern | Ran twice (before and after rebasing onto `origin/main` at #434); both passed | +| Packed native Eval smoke | `HOME= pnpm test:packed:native:claude` (= `AGENT_BUNDLE_PACKED_NATIVE_CLAUDE_SMOKE=1`) | **pass after two fixes** — 8/8 tests, 0 skipped; `runs opted-in authored Eval hosts through one production-only packed installation` ran the Claude Eval (`packed-native-claude`, `claude-sonnet-4-5`, 1 trial, `pass: 1, fail: 0, inconclusive: 0`, `skill-activation` evidence `observed`, `exit-code` 0) | `report.package = { externalBinary: true, productionOnly: true, tarballs: 1 }`; `hosts = ['claude']`, every host `status: 'passed'`; the report matches no `OPENAI_API_KEY|ANTHROPIC_API_KEY|ANTHROPIC_AUTH_TOKEN|authorization|sk-…|/home/|/Users/|prompt|response|stdout|stderr` | See "Defects" 1 and 2: the script as shipped failed before any host ran, and the harness then mis-reported a passing Eval as `failed` | +| Native Claude contract smoke | `HOME= AGENT_BUNDLE_NATIVE_CLAUDE_SMOKE=1 rstest packages/agent-bundle/tests/native-claude-contract.test.ts` | **fail** — 17/18; `runs the checked-in candidate with the existing signed-in Claude subscription and writes redacted evidence` got `status: 'harness-failure'`, expected `'passed'` | Everything the smoke itself measures held: `authentication.status: 'subscription-session'`, `version: '2.1.257'`, `validation.exitCode: 0`, `stream.activationEvidence: 'observed'`, `stream.authSource: 'non-environment'`, `stream.plugins: ['agent-bundle-native-smoke']`, `errorEnvelopes: []`, a `result`/`success` envelope, `stderr.present: false` | Sole diagnostic: `claude-native.normal-home.changed`. See "Defects" 3 | + +## Defects revealed + +1. **`pnpm test:packed:native:claude|codex` could not pack under pnpm** (fixed + here). The scripts ran `pnpm build && … pnpm test:packed:native`, so the + harness's `npm_execpath` was pnpm's `pnpm.mjs`. `pnpm pack --json` prints + the bare entry `{filename, files, name, version}`, which + `packOutputFromJson` read as a four-entry package-keyed object (`npm pack + --json returned 4 entries; expected exactly one`; after #432's by-name + selection, `0 entries named "agent-bundle"`), and `pnpm install --omit=dev + --no-audit --no-fund ` is rejected (`Unknown options: 'omit', + 'audit', 'fund'`). `scripts/run-packed-native-smoke.mjs`, which already + existed for this purpose and drives `npm run build` + `npm run + test:packed:native`, is now what both scripts call. The + `native-host-smoke.yml` workflow commands are unchanged. +2. **The packed smoke guarded `.claude.json` across a real turn** (fixed + here). `runPackedNativeSmoke` wrapped the Claude Eval in + `normalClaudeHomeUnchanged`, whose digest includes `$HOME/.claude.json`. + Claude Code 2.1.257 rewrites that file on every signed-in turn (observed: + `cachedGrowthBookFeatures*`, `cachedExperiment*`, `firstStartTime`, + `firstStartVersion`, `machineID`, `userID`, `migrationVersion`, migration + flags, `seenNotifications`, `pluginUsage`, `skillUsage`, … appear or move + even with `--no-session-persistence`), so a passing Eval (`pass: 1`) was + reported as `status: 'failed'`. The Claude leg now uses + `normalClaudeSettingsAndPluginsUnchanged` — the same guard the + host-install session proofs adopted for the same reason — and reports + `normalHome: 'settings-and-plugins-unchanged'`; `packed-native-smoke.test.ts` + gained a unit test that a `.claude.json` rewrite passes while a + `settings.json` or `plugins/` change fails. +3. **`runNativeClaudeSmoke` (product code, + `packages/agent-bundle/src/host-contracts/native-claude-contract.ts`) has + the same guard** and therefore cannot pass on Claude Code 2.1.257: its + `snapshotClaudeNormalHome` digests `.claude.json` (`claudeJson`) beside + `config.json`, `settings.local.json`, `plugins/`, and `settings.json`, and + any difference yields `claude-native.normal-home.changed` → + `harness-failure`. The smoke's own evidence shows the run succeeded (table + above). **Not fixed in this change**: the fix drops `claudeJson` from + `sameClaudeNormalHome` (or compares it with the host's bookkeeping keys + removed), and the existing test `protects the default sibling Claude state + file without retaining its opaque contents` + (`native-claude-contract.test.ts`) asserts the opposite and must change + with it. That test file is owned by the concurrent test-determinism lane + (#432 landed its home-directory injection while this note was written), so + the change is deferred to a follow-up rather than edited here. Until then + the `native-host-smoke` workflow's Claude source leg will report + `harness-failure` on every run against 2.1.257. + +## Cost and footprint + +The two lineage captures reported `total_cost_usd` of roughly $0.44 and +$0.36; the session, packed-Eval (repeated while diagnosing defects 1–2), and +contract turns were each cheaper, all on the operator's Max subscription. Every isolated home used here is under `/tmp/claude-recapture/` +or `/tmp/host-test/` and holds a copy of the long-lived token; `probe:uninstall +claude` removed the probe's home and `rm -rf /tmp/claude-recapture/proof-home` +removes the proofs' home. diff --git a/docs/audits/2026-09-03-host-lineage-matrix.md b/docs/audits/2026-09-03-host-lineage-matrix.md index 09e301ca7..87e3e8beb 100644 --- a/docs/audits/2026-09-03-host-lineage-matrix.md +++ b/docs/audits/2026-09-03-host-lineage-matrix.md @@ -3,15 +3,17 @@ Date: 2026-09-03. Probe: `examples/host-test` (this repository, built from the same commit as this document) installed into isolated homes under `/tmp/host-test/-home` through `agent-bundle install `; the real -`~/.claude`, `~/.codex`, and `~/.cursor` were never opened. Every number below -comes from the redacted capture logs checked in under `fixtures/host-lineage/` -(`claude-2.1.257.ndjson`, `codex-0.147.0.ndjson`, `cursor-3.18.25.ndjson`); -ids are quoted as recorded, e-mail addresses and the operator home directory -are redacted, and long tool payloads are clipped. +`~/.claude`, `~/.codex`, and `~/.cursor` were never opened (Claude's sign-in +was transplanted read-only into the isolated home; see the Claude row). Every +number below comes from the redacted capture logs checked in under +`fixtures/host-lineage/` (`claude-2.1.257.ndjson`, +`claude-2.1.257-foreground.ndjson`, `codex-0.147.0.ndjson`, +`cursor-3.18.25.ndjson`); ids are quoted as recorded, e-mail addresses and the +operator home directory are redacted, and long tool payloads are clipped. | Host | Binary observed | Session driver | Subagent mechanism exercised | Depth reached | | --- | --- | --- | --- | --- | -| Claude Code | 2.1.257 (`claude -p`, `--dangerously-skip-permissions`) | Real Claude Code process; the model was a scripted stand-in behind `ANTHROPIC_BASE_URL` because this machine has no signed-in Claude account (`claude auth status` → `loggedIn: false`). Hooks, MCP, and subagent plumbing are the host's own. | `Agent` tool (`subagent_type: general-purpose`), subagent spawned a nested `Agent` | 2 | +| Claude Code | 2.1.257 (`claude -p`, `--dangerously-skip-permissions`, `--model sonnet` → `claude-sonnet-5`) | **Live model, 2026-09-03, Claude Code 2.1.257.** The isolated `CLAUDE_CONFIG_DIR` authenticated with the operator's long-lived `claude setup-token` (`~/.claude/.claude_code_oauth_token`, copied into the isolated `.credentials.json` by `probe:install`; the interactive session file had expired — `claude auth status` on the real home → `loggedIn: false`, "OAuth session expired and could not be refreshed"). `claude auth status` in the isolated home → `loggedIn: true`, `authMethod: claude.ai`, `subscriptionType: max`. Two sessions were captured: the primary fixture, where Claude Code ran the root's `Agent` in the background, and `-foreground`, where both spawns blocked. An earlier capture on the same day used a scripted Messages-API stand-in (PR #421); its findings are re-verified against the live runs in §8. | `Agent` tool (`subagent_type: general-purpose`), subagent spawned a nested `Agent` | 2 (`subagent_stats.max_depth: 2`, `spawned_by_subagents: 1`) | | Codex CLI | 0.147.0 (`codex exec --json --dangerously-bypass-hook-trust`, `[features] multi_agent`, `[agents] max_depth = 3`) | Real model (`gpt-5.6-sol`) with the operator's `auth.json` copied byte-for-byte into the isolated `CODEX_HOME` | `collaborationspawn_agent` (`fork_turns: all`), the spawned thread spawned a nested thread | 2 | | Cursor IDE | 3.18.25 desktop, isolated `--user-data-dir` on Xvfb, `cursorAuth/*` profile rows transplanted, driven over CDP in the Agents pane (`Auto` model) | Real model | `Task` tool (`subagent_type: general-purpose`), the subagent spawned a nested `Task` | 2 | | Cursor CLI (`cursor-agent`) | 2026.08.31 build present | **Not driven**: `cursor-agent status` → `Not logged in`, and logging in requires a browser flow. | — | — | @@ -23,30 +25,61 @@ field the framework already lifts into the request context. ## 1. Ids present per host × event (as delivered to plugin hooks) -### Claude Code 2.1.257 +### Claude Code 2.1.257 (live model 2026-09-03, Claude Code 2.1.257) + +Primary fixture `claude-2.1.257.ndjson` (48 records: 42 hook events, 6 MCP +calls): root session `7f7a50ca-3609-4612-8db1-a34c8985088a`, subagent +`aebe95b6e051369a4` (spawned by the root, run **in the background** by the +host), nested agent `a9bc7270b816a535e` (spawned by the subagent, foreground). +`claude-2.1.257-foreground.ndjson` (51 records) is a second live session, +root `b255be60-9740-46f5-a38c-730a98bc24e9`, whose two spawns both blocked +their caller; row numbers below are the primary fixture's unless marked *fg*. | Event (native) | `session_id`* | `agent_id` | `agent_type` | `tool_use_id` | `prompt_id` | `transcript_path` / `agent_transcript_path` | Other | | --- | --- | --- | --- | --- | --- | --- | --- | -| SessionStart | root | — | — | — | — | root transcript | `source`, `cwd`, no `permission_mode` | -| UserPromptSubmit | root | — | — | — | yes | root | `prompt`, `permission_mode` | -| PreToolUse / PostToolUse (root turn) | root | — | — | `toolu_…` | yes | root | `tool_name`, `tool_input`, `tool_response`, `duration_ms` (Post) | -| PreToolUse / PostToolUse (inside a subagent) | **root** | **subagent's** (`aca96ce761c9f0cea`) | `general-purpose` | `toolu_…` | root's | root transcript (not the subagent's) | same | -| PreToolUse / PostToolUse (inside the nested agent) | **root** | **nested's** (`ac093bdad0566ffa7`) | `general-purpose` | | root's | root | no reference to `aca96…` | -| SubagentStart | root | the new agent | `general-purpose` | — | yes | root transcript | **no parent agent id** | -| SubagentStop | root | the stopping agent | `general-purpose` | — | yes | root transcript + `agent_transcript_path` = `/subagents/agent-.jsonl` (flat; nested agent's path does not name its parent) | `stop_hook_active`, `last_assistant_message`, `background_tasks[]` (lists every running subagent with `id`, `type: subagent`, `agent_type`, `description`), `session_crons` | -| Stop | root | — | — | — | yes | root | `background_tasks[]`, `session_crons` | -| SessionEnd | root | — | — | — | yes | root | `reason` | - -Not observed in the scenario (the host did not emit them): `Notification`, +| SessionStart | root | — | — | — | — | root transcript | `source: startup`, `cwd`; no `permission_mode`, no `effort` | +| UserPromptSubmit | root | — | — | — | yes | root | `prompt`, `permission_mode`; no `effort`. Fired twice: the operator prompt (row 2) and, after the background subagent finished, a host-generated `` prompt naming `task-id` = the child's `agent_id` and `tool-use-id` = the root's `Agent` call (row 46, new `prompt_id`) | +| PreToolUse / PostToolUse (root turn) | root | — | — | `toolu_…` | yes | root | `tool_name`, `tool_input`, `permission_mode`, `effort: {"level":"high"}`, `tool_response` + `duration_ms` (Post). Tool names seen: `Bash`, `Write`, `ToolSearch` (Claude defers MCP tools — `total_deferred_tools: 21` — and selects them by name before the first call), `mcp__plugin_host-test_host-test__dump`, `mcp__plugin_host-test_host-test-raw__probe`, `Agent` | +| PreToolUse / PostToolUse (inside a subagent) | **root** | **subagent's** (`aebe95b6e051369a4`) | `general-purpose` | `toolu_…` | root's | root transcript (not the subagent's) | same fields; the subagent also invoked the plugin's skill through the `Skill` tool (`tool_input: {"skill":"host-test:host-test"}`, `tool_response: {"success":true,"commandName":"host-test:host-test"}`) | +| PreToolUse / PostToolUse (inside the nested agent) | **root** | **nested's** (`a9bc7270b816a535e`) | `general-purpose` | | root's | root | no reference to `aebe9…` | +| PostToolUse of the spawning `Agent` call (on the parent) | parent's | parent's (absent on the root) | | the spawn's | | | `tool_response.agentId` **= the child's `agent_id`**, `resolvedModel`; background spawn (row 17, right after SubagentStart): `status: "async_launched"`, `isAsync: true`, `outputFile`, `canReadOutputFile`, `description`, `prompt`; foreground spawn (row 41; *fg* rows 47/49, after the child's SubagentStop): `status: "completed"`, `agentType`, `content[]`, `totalDurationMs`, `totalTokens`, `totalToolUseCount`, `usage`, `toolStats`, `harness*` | +| SubagentStart | root | the new agent | `general-purpose` | — | yes | root transcript | **no parent agent id**; no `permission_mode`, no `effort` | +| SubagentStop | root | the stopping agent | `general-purpose` | — | yes | root transcript + `agent_transcript_path` = `/subagents/agent-.jsonl` (flat; nested agent's path does not name its parent) | `permission_mode`, `effort`, `stop_hook_active`, `last_assistant_message`, `background_tasks[]` (every subagent the host is running in the background — `id`, `type: subagent`, `status: running`, `agent_type`, `description` — **including the stopping agent itself** when it was backgrounded, row 45; empty for foreground children, *fg* rows 46/48), `session_crons` | +| Stop | root | — | — | — | yes | root | `permission_mode`, `effort`, `stop_hook_active`, `last_assistant_message`, `background_tasks[]` (row 18 lists the still-running background subagent; row 47 and *fg* row 50 are empty), `session_crons` | +| SessionEnd | root | — | — | — | yes | root | `reason: "other"`; no `effort` | + +`effort` (`{"level":"high"}`) is on 36 of the 42 hook payloads — every +PreToolUse, PostToolUse, SubagentStop, and Stop — and absent from SessionStart, +UserPromptSubmit, SubagentStart, and SessionEnd. `permission_mode: +"bypassPermissions"` is on every payload except SessionStart, SubagentStart, +and SessionEnd. The stand-in run of PR #421 showed neither field; the +framework already lifts both (`hook-contract.ts` `nativeHookInputFields`). + +The `Agent` tool's `run_in_background` was **unset** on the root's spawn in +the primary run and the host chose to background it; it was `false` on the +nested spawn and on both *fg* spawns, which blocked. The result document +counts the choice: primary `subagent_stats.requested: {background: 0, +foreground: 1, unset: 1}`, `started_in_background: 1`; *fg* `{background: 0, +foreground: 2, unset: 0}`, `started_in_background: 0`. + +Not observed in either scenario (the host did not emit them): `Notification`, `PermissionRequest`/`PermissionDenied` (permissions were bypassed), `PreCompact`/`PostCompact`, `FileChanged`, `ConfigChange`, `TaskCreated`/ `TaskCompleted`, `TeammateIdle`, `StopFailure`, `PostToolUseFailure`. -Payload excerpt (SubagentStart of the nested agent — note the absence of any -parent field): +Payload excerpt (SubagentStart of the nested agent, row 32 — note the absence +of any parent field): + +```json +{"session_id":"7f7a50ca-3609-4612-8db1-a34c8985088a","transcript_path":"…/-tmp-host-test-claude-workspace/7f7a50ca-….jsonl","cwd":"/tmp/host-test/claude-workspace","prompt_id":"a78d8bed-e865-426a-a3e4-ee9ce500493c","agent_id":"a9bc7270b816a535e","agent_type":"general-purpose","hook_event_name":"SubagentStart"} +``` + +Payload excerpt (root `Stop`, row 18, fired while the background subagent was +still running — the only Claude payload that names a live child other than +SubagentStart): ```json -{"session_id":"a7f96472-e9d0-447a-826d-36da9b635fd6","transcript_path":"…/-tmp-host-test-claude-workspace/a7f96472-….jsonl","cwd":"/tmp/host-test/claude-workspace","prompt_id":"96a54da1-f00b-48ec-8f84-2d42b7de5ba4","agent_id":"ac093bdad0566ffa7","agent_type":"general-purpose","hook_event_name":"SubagentStart"} +{"session_id":"7f7a50ca-…","prompt_id":"a78d8bed-…","permission_mode":"bypassPermissions","effort":{"level":"high"},"hook_event_name":"Stop","stop_hook_active":false,"last_assistant_message":"Steps 1-5 are complete; the subagent is running in the background. …","background_tasks":[{"id":"aebe95b6e051369a4","type":"subagent","status":"running","description":"Host-test probe subagent","agent_type":"general-purpose"}],"session_crons":[]} ``` ### Codex CLI 0.147.0 @@ -105,23 +138,28 @@ does not name the child conversation): | Host | Root events carry | Subagent events carry | Nested events carry | Parent named on the child's events? | Parent named on subagent start/stop? | | --- | --- | --- | --- | --- | --- | -| Claude | `session_id` | root `session_id` + own `agent_id` | root `session_id` + own `agent_id` | no | no (only `agent_id` of the child) | +| Claude | `session_id` | root `session_id` + own `agent_id` | root `session_id` + own `agent_id` | no | no on SubagentStart/SubagentStop (only `agent_id` of the child); **yes, after the fact, on the parent's `Agent` PostToolUse** (`tool_response.agentId` = child, delivered with the parent's `agent_id` or none for the root) and on the root's `` UserPromptSubmit (`task-id` + `tool-use-id`) for background children | | Codex | `session_id` (= root thread), `turn_id` | root `session_id` + own `agent_id` (= thread id) + own `turn_id` | same shape | no | not on start; **stop** carries the parent's rollout path in `transcript_path` | | Cursor | `conversation_id` (= `session_id`) + `generation_id` | **a fresh `conversation_id`** with no marker | fresh `conversation_id` | **no** | yes — `parent_conversation_id` on start/stop, but the child's conversation id is absent, so the link is only closable by ordering | Depth: every host allowed depth 2 in this scenario (Codex configured -`max_depth = 3`; Claude reported `subagent_stats.max_depth: 2`; Cursor ran a -nested `Task`). None emits a depth counter. +`max_depth = 3`; Claude reported `subagent_stats.max_depth: 2` and +`spawned_by_subagents: 1` in both live runs; Cursor ran a nested `Task`). None +emits a depth counter. ## 3. Hook ↔ MCP ordering and what the MCP server can see Ordering was identical on all three hosts: the pre-tool hook for the MCP call fires, then the MCP server receives `tools/call`, then the post-tool hook -fires (fixture rows Claude 5→6, Codex 9→10→11, Cursor 81→82→83). +fires (fixture rows Claude 25→26→27 and 37→38→39, Codex 9→10→11, Cursor +81→82→83). The live Claude model also issued `dump` and `probe` **in +parallel** at the root (rows 9, 10 PreToolUse → 11, 12 `tools/call` → 13, 14 +PostToolUse; *fg* rows 9, 11 → 10, 12 → 13, 14), so two pre-tool windows were +open at once; `claudecode/toolUseId` names the right one regardless. | Host | Pre-tool hook `tool_name` for an MCP call | `tool_use_id` | MCP `tools/call` `_meta` | Client info | MCP session id | Can the server correlate without hooks? | | --- | --- | --- | --- | --- | --- | --- | -| Claude | `mcp__plugin_host-test_host-test__dump` | `toolu_…` | `{ progressToken, "claudecode/toolUseId": "" }` | `claude-code` 2.1.257 | none (stdio) | **Yes** — `claudecode/toolUseId` equals the hook's `tool_use_id`; the hook supplies `session_id`/`agent_id` | +| Claude | `mcp__plugin_host-test_host-test__dump` | `toolu_…` | `{ progressToken, "claudecode/toolUseId": "" }` (live: rows 10↔12 `toolu_01BBNfLZrRqRXfVbbLRzaKQf`, 25↔26 `toolu_01Hojb1ZwFe73yWWxFcnGo4W`, 37↔38 `toolu_01Ga8ivarupF77BLsip9NMuH`, one per depth) | `claude-code` 2.1.257 | none (stdio) | **Yes** — `claudecode/toolUseId` equals the hook's `tool_use_id`; the hook supplies `session_id`/`agent_id`. The generated `dump` tool's `request.lineage` resolved through the registry at depth 0 and depth 1 (rows 11, 29) with `generation` = the root turn's `prompt_id` | | Codex | `mcp__host_test__dump` | `exec-` | `{ progressToken, plugin_id, threadId, "x-codex-turn-metadata": { session_id, thread_id, turn_id, parent_thread_id?, forked_from_thread_id?, thread_source: "user"|"subagent", subagent_kind?, sandbox, workspaces{…git commit…}, model, reasoning_effort, turn_started_at_unix_ms } }` | `codex-mcp-client` 0.147.0 | none | **Yes, fully** — lineage (thread, parent, root) is in `_meta` itself | | Cursor | `MCP:dump` | plain uuid | `{ progressToken }` only | `cursor-vscode` 1.0.0 | none | **No** — only the pre-tool hook (tool name + ordering) can attach a conversation | @@ -129,14 +167,19 @@ Claude's `PostToolUse` for MCP tools delivers `tool_response` as a **plain string** (the tool's text content, here the JSON text of the result), not an object; the framework's pinned validator rejected every such event (`native tool_response must be an object`, confirmed in the host's `--debug hooks` log -and by a raw user-level hook that captured the payload verbatim). Fixed in this -change set: presence is now the only host-independent rule, matching Codex. +and by a raw user-level hook that captured the payload verbatim). Fixed in PR +#421: presence is now the only host-independent rule, matching Codex. The live +model confirms the split — all 6 MCP PostToolUse payloads carry a string, all +10 built-in-tool PostToolUse payloads (`Bash`, `Write`, `ToolSearch`, `Skill`, +`Agent`) carry an object — and every one of the 19 (*fg*) / 16 `tool_use` +blocks in the host's own transcripts has a matching PreToolUse and PostToolUse +record, so no live payload was rejected. ## 4. Environment variable names seen by plugin processes (names only) | Host | Hook process (standalone wrapper) | MCP server process | | --- | --- | --- | -| Claude | `CLAUDE_CODE_CHILD_SESSION`, `CLAUDE_CODE_ENTRYPOINT`, `CLAUDE_CODE_MESSAGING_SOCKET`, `CLAUDE_CODE_MESSAGING_TOKEN`, `CLAUDE_CODE_SESSION_ID`, `CLAUDE_CONFIG_DIR`, `CLAUDE_ENV_FILE`, `CLAUDE_PID`, `CLAUDE_PLUGIN_DATA`, `CLAUDE_PLUGIN_ROOT`, `CLAUDE_PROJECT_DIR` (+ inherited `ANTHROPIC_*`) | `AGENT_BUNDLE_PLUGIN_ROOT`, `CLAUDE_CODE_ENTRYPOINT`, `CLAUDE_CODE_MESSAGING_SOCKET`, `CLAUDE_CODE_MESSAGING_TOKEN`, `CLAUDE_CODE_SESSION_ID`, `CLAUDE_CONFIG_DIR`, `CLAUDE_PLUGIN_DATA`, `CLAUDE_PLUGIN_ROOT`, `CLAUDE_PROJECT_DIR` | +| Claude | `CLAUDE_CODE_CHILD_SESSION`, `CLAUDE_CODE_ENTRYPOINT`, `CLAUDE_CODE_MESSAGING_SOCKET`, `CLAUDE_CODE_MESSAGING_TOKEN`, `CLAUDE_CODE_SESSION_ID`, `CLAUDE_CONFIG_DIR`, `CLAUDE_ENV_FILE`, `CLAUDE_PID`, `CLAUDE_PLUGIN_DATA`, `CLAUDE_PLUGIN_ROOT`, `CLAUDE_PROJECT_DIR` (the stand-in run additionally showed the `ANTHROPIC_*` variables it was given; the live run, authenticated from the isolated credentials file, shows none) | `AGENT_BUNDLE_PLUGIN_ROOT`, `CLAUDE_CODE_ENTRYPOINT`, `CLAUDE_CODE_MESSAGING_SOCKET`, `CLAUDE_CODE_MESSAGING_TOKEN`, `CLAUDE_CODE_SESSION_ID`, `CLAUDE_CONFIG_DIR`, `CLAUDE_PLUGIN_DATA`, `CLAUDE_PLUGIN_ROOT`, `CLAUDE_PROJECT_DIR` | | Codex | `CODEX_HOME`, `CLAUDE_PLUGIN_DATA`, `CLAUDE_PLUGIN_ROOT`, `PLUGIN_DATA`, `PLUGIN_ROOT` (full operator environment inherited, e.g. `HOST_TEST_LOG_DIR`) | `AGENT_BUNDLE_PLUGIN_ROOT` only — Codex does **not** pass the operator environment to MCP servers | | Cursor | `CURSOR_EXTENSION_HOST_ROLE`, `CURSOR_PLUGIN_ROOT`, `CURSOR_PROJECT_DIR`, `CURSOR_USER_EMAIL`, `CURSOR_VERSION`, `CURSOR_WORKSPACE_LABEL`, `CLAUDE_PLUGIN_ROOT`, `CLAUDE_PROJECT_DIR` | `AGENT_BUNDLE_PLUGIN_ROOT` (+ the IDE's inherited environment) | @@ -151,7 +194,7 @@ gives shell commands the agent runs `CURSOR_CONVERSATION_ID`/`CURSOR_REQUEST_ID` | Host | Answer | How | | --- | --- | --- | -| Claude | Yes, with the parent inferred | `SubagentStart` names the child (`agent_id`). The parent is not in the payload; it is the agent whose `Agent`/`Task` `PreToolUse` is open when `SubagentStart` fires (root when none is open). `Stop`/`SubagentStop` also list every running child in `background_tasks[]`. | +| Claude | Yes, with the parent inferred | `SubagentStart` names the child (`agent_id`). The parent is not in the payload; it is the agent whose `Agent`/`Task` `PreToolUse` is open when `SubagentStart` fires (root when none is open) — re-verified live at depth 1 and 2 in both runs. The host then confirms the link on the parent's `Agent` `PostToolUse` (`tool_response.agentId` = the child, `status` `async_launched` or `completed`). `Stop`/`SubagentStop` list the children still running **in the background** in `background_tasks[]` (empty when every child ran in the foreground). | | Codex | Yes | `SubagentStart` names the child thread; the parent is inferred from the open `collaborationspawn_agent` call and confirmed at `SubagentStop` by the parent rollout in `transcript_path`. MCP calls carry `parent_thread_id` directly. | | Cursor | Yes for the spawn, weakly for the child's traffic | `subagentStart` carries `parent_conversation_id`, `subagent_id`/`tool_call_id`, `is_parallel_worker`. The child's own `conversation_id` is not in that payload, so the first event with an unseen conversation id after a `subagentStart` is bound to it (unambiguous when children start sequentially; ambiguous for parallel workers). | @@ -159,7 +202,7 @@ gives shell commands the agent runs `CURSOR_CONVERSATION_ID`/`CURSOR_REQUEST_ID` | Host | Root | Parent | | --- | --- | --- | -| Claude | Yes — `session_id` on every event is the root session | Only through the runtime's registry (inferred at `SubagentStart`); nothing in the child's payload | +| Claude | Yes — `session_id` on every event is the root session (re-verified live: all 42 + 45 hook payloads across both runs carry the root id, `CLAUDE_CODE_SESSION_ID` in every plugin process is the root id) | Only through the runtime's registry (inferred at `SubagentStart`); nothing in the child's payload | | Codex | Yes — `session_id` is the root thread on every event, and `_meta.x-codex-turn-metadata.session_id` on MCP calls | Yes on MCP calls (`parent_thread_id`); on hooks only through the registry (or the parent rollout at `SubagentStop`) | | Cursor | Only through the registry — a child's payload carries neither root nor parent | Only through the registry (ordering-bound) | @@ -188,4 +231,32 @@ deliver no user identity to hooks or MCP servers. | `_meta` carries no conversation/tool-call id | Cursor | §3 | Hook-correlated only; filed | | `sessionStart`, `workspaceOpen`, `sessionEnd` not delivered to plugin hooks | Cursor | §1 | Recorded; owned by the Cursor installer/emitter lane for follow-up | | Cursor CLI not exercised | Cursor | table above | Needs a signed-in `cursor-agent`; not attempted on the operator's account | -| Claude session used a scripted model | Claude | table above | Host plumbing is real; model text is not evidence of anything | +| ~~Claude session used a scripted model~~ | Claude | §8 | Closed 2026-09-03: two live-model sessions replace the stand-in fixture; every stand-in claim held, see §8 | +| Claude `PostToolUse(Agent).tool_response.agentId` not consumed by the registry | Claude | §1, §2 | The registry claims the newest unclaimed spawn under the root at `SubagentStart` and marks same-parent sibling cohorts `siblingsUncertain`; the parent's `Agent` PostToolUse could later firm those up. Not needed for either live run (spawns were sequential); left as an improvement | +| Claude interactive OAuth session expired; refresh fails | Claude | header table | `probe:install claude` now falls back to the `claude setup-token` long-lived token when the copied session has expired; the opt-in proofs run with `HOME` pointed at an isolated home seeded the same way (`docs/audits/2026-09-03-claude-live-session-proofs.md`) | + +## 8. Stand-in versus live model (Claude, 2026-09-03) + +PR #421 captured Claude Code 2.1.257 with a scripted Anthropic Messages API +behind `ANTHROPIC_BASE_URL` because the OAuth session on this machine had +expired. The two live sessions above were driven by the real model +(`claude-sonnet-5`) through the same probe. What changed and what did not: + +| Claim from the stand-in run | Live result | Verdict | +| --- | --- | --- | +| Root knows children via `SubagentStart`/`SubagentStop` `agent_id` + root `session_id` | Rows 16/45 and 32/40 (primary), *fg* 16/48 and 38/46 | Held | +| Child events carry the root `session_id` and their own `agent_id`, never a parent | Every subagent and nested hook payload in both runs | Held | +| MCP correlation via `_meta["claudecode/toolUseId"]` = the open `PreToolUse` `tool_use_id` | Three probes per run, one per depth, all equal; still exact when two MCP calls ran in parallel | Held, strengthened | +| Depth 2 reachable; `subagent_stats.max_depth: 2` | Both runs | Held | +| `PostToolUse` `tool_response` is a string for MCP tools, an object otherwise | 6 strings / 10 objects (primary), 6 / 13 (*fg*) | Held | +| `SubagentStart` has no `permission_mode` | Held; **new**: `permission_mode` is on everything else except SessionStart/SessionEnd, and `effort: {"level":"high"}` is on every PreToolUse/PostToolUse/SubagentStop/Stop | Corrected (fields the stand-in never showed; both already lifted by the framework) | +| `background_tasks[]` "lists every running subagent" | Lists **background** subagents only (`status: running`), including the stopping agent on its own `SubagentStop`; empty when children run in the foreground | Corrected | +| Spawns return `status: "async_launched"`, the root `Stop` fires while children run, and `` prompts re-enter the root | Reproduced by the live host when `run_in_background` was unset (primary run); with `run_in_background: false` the `Agent` call blocks and returns `status: "completed"` with `agentType`, `content[]`, `usage`, `toolStats` (nested spawn; both *fg* spawns) | Held for the background path; the foreground path is new | +| Parent link only inferable from the open spawn call | `PostToolUse(Agent).tool_response.agentId` names the child in both paths | New host fact; registry unchanged | +| Model calls MCP tools directly | Live model first calls `ToolSearch` (`select:`, `total_deferred_tools: 21`), and the subagent invoked the plugin's `Skill` (`host-test:host-test`) | New tool names in the hook stream; no framework impact | +| Hook process environment carries `ANTHROPIC_*` | Only the stand-in's injected variables; the live run shows none | Stand-in artefact | + +No lineage or projection code change was needed: the registry replay test +(`packages/rsc-runtime/tests/lineage-registry.test.ts`) now runs against both +live fixtures and passes unchanged apart from asserting the new +`tool_response.agentId` host fact. From 935d088c4952571c545d7d19e47592d4b4926224 Mon Sep 17 00:00:00 2001 From: ScriptedAlchemy Date: Thu, 3 Sep 2026 19:07:25 +0000 Subject: [PATCH 4/7] chore(changeset): reference #436 --- .changeset/claude-live-lineage-evidence.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.changeset/claude-live-lineage-evidence.md b/.changeset/claude-live-lineage-evidence.md index 9a849178e..05fffb30b 100644 --- a/.changeset/claude-live-lineage-evidence.md +++ b/.changeset/claude-live-lineage-evidence.md @@ -2,4 +2,4 @@ "agent-bundle": patch --- -Record live-model evidence (Claude Code 2.1.257, 2026-09-03) on the Claude capability table's `lineage.subagent-events`, `lineage.root`, `lineage.parent`, and `lineage.mcp-correlation` rows — the parent's `Agent` PostToolUse names the child in `tool_response.agentId`, `background_tasks[]` lists only background subagents, and `claudecode/toolUseId` correlates parallel MCP calls — and route `pnpm test:packed:native:claude` / `pnpm test:packed:native:codex` through `scripts/run-packed-native-smoke.mjs` so the opt-in packed native smokes pack and install with npm instead of failing under pnpm's `pack --json` and `install --omit=dev`. Emitted host output and `adapterRevision` are unchanged. (#PR) +Record live-model evidence (Claude Code 2.1.257, 2026-09-03) on the Claude capability table's `lineage.subagent-events`, `lineage.root`, `lineage.parent`, and `lineage.mcp-correlation` rows — the parent's `Agent` PostToolUse names the child in `tool_response.agentId`, `background_tasks[]` lists only background subagents, and `claudecode/toolUseId` correlates parallel MCP calls — and route `pnpm test:packed:native:claude` / `pnpm test:packed:native:codex` through `scripts/run-packed-native-smoke.mjs` so the opt-in packed native smokes pack and install with npm instead of failing under pnpm's `pack --json` and `install --omit=dev`. Emitted host output and `adapterRevision` are unchanged. (#436) From cf9c9e033b1d0cd14cbe04ff9b480261e6cf0e29 Mon Sep 17 00:00:00 2001 From: ScriptedAlchemy Date: Thu, 3 Sep 2026 19:21:38 +0000 Subject: [PATCH 5/7] docs(audits): state the by-hand Claude sign-in seeding and correct the live fixture counts The checked-in host-test harness copies ~/.claude/.credentials.json byte-for-byte and nothing else; the expired session meant the two live captures and the signed-in proofs ran from an isolated home whose credentials file was re-seeded by hand with the operator's setup token. Say so in the matrix header, gap table, and proofs note instead of describing a harness fallback that does not exist. Fix the foreground fixture's counts (5 string / 14 object PostToolUse payloads, 46 hook payloads), list every row where request.lineage resolved, and note that row 40's background_tasks entry is the parent only by coincidence. Cite the live model as provenance on every Claude lineage capability row. --- .../2026-09-03-claude-live-session-proofs.md | 41 +++++++++++-------- docs/audits/2026-09-03-host-lineage-matrix.md | 35 ++++++++-------- .../adapters/capabilities/claude-2.1.250.json | 15 ++++--- 3 files changed, 51 insertions(+), 40 deletions(-) diff --git a/docs/audits/2026-09-03-claude-live-session-proofs.md b/docs/audits/2026-09-03-claude-live-session-proofs.md index 80d5e5a9b..101fbc809 100644 --- a/docs/audits/2026-09-03-claude-live-session-proofs.md +++ b/docs/audits/2026-09-03-claude-live-session-proofs.md @@ -4,21 +4,25 @@ The three Claude proofs CI cannot run (they need a signed-in Claude Code) were run by hand against Claude Code 2.1.257 on this machine, the same day the live host-lineage capture replaced the scripted stand-in (`docs/audits/2026-09-03-host-lineage-matrix.md` §8). This note records how -authentication was transplanted, exactly what each proof asserted, and what -failed. Raw logs stayed under `/tmp/claude-recapture/`; nothing from them is -reproduced here beyond counts, codes, and field names. +the isolated home was authenticated, exactly what each proof asserted, and +what failed. Raw logs stayed under `/tmp/claude-recapture/`; nothing from them +is reproduced here beyond counts, codes, and field names. -## Authentication: isolated home, transplanted sign-in +## Authentication: isolated home, sign-in seeded by hand - The real `~/.claude` was opened **read-only**. Its `.credentials.json` (interactive OAuth session) had expired and could not be refreshed: `claude auth status` on the real home reported `loggedIn: false`, and a - turn in an isolated home seeded with a byte-for-byte copy failed with - `Failed to authenticate: OAuth session expired and could not be refreshed`. -- The operator's long-lived `claude setup-token` token - (`~/.claude/.claude_code_oauth_token`) was valid. `probe:install claude` - now writes it into the isolated `.credentials.json` when the copied session - is absent or its `expiresAt` has passed (`examples/host-test/README.md`). + turn in an isolated home seeded with the harness's byte-for-byte copy failed + with `Failed to authenticate: OAuth session expired and could not be + refreshed`. The same turn with the operator's normal configuration failed + the same way, so the documented fallback (normal configuration, temporary + project directory) was not available either. +- The operator's long-lived `claude setup-token` token was still valid. The + isolated home's `.claude/.credentials.json` was therefore re-seeded **by + hand, outside the checked-in harness**, with that token; no code that reads + or copies sign-in state was added to `examples/host-test` or to the test + support, which still only copy `.credentials.json` byte-for-byte. `claude auth status` in that home: `loggedIn: true`, `authMethod: claude.ai`, `apiProvider: firstParty`, `subscriptionType: max`. - The proofs below ran with `HOME=/tmp/claude-recapture/proof-home`, a @@ -28,7 +32,8 @@ reproduced here beyond counts, codes, and field names. real `~/.claude/.credentials.json`, `~/.claude/settings.json`, `~/.claude/plugins/installed_plugins.json`, and `~/.claude.json` mtimes were unchanged after every run (05:34, 08:12, 08:12, and 08:23 UTC respectively, - all earlier than the first isolated turn of the day at 16:55 UTC). + all earlier than the first isolated turn of the day at 16:55 UTC). The + isolated home was removed after the runs. - The `packedNativeEnvironment` allowlist strips every credential-shaped variable name (`*TOKEN*`, `*KEY*`, …), so a `CLAUDE_CODE_OAUTH_TOKEN` environment transplant would not reach the host; the on-disk credentials @@ -84,7 +89,8 @@ reproduced here beyond counts, codes, and field names. (`native-claude-contract.test.ts`) asserts the opposite and must change with it. That test file is owned by the concurrent test-determinism lane (#432 landed its home-directory injection while this note was written), so - the change is deferred to a follow-up rather than edited here. Until then + the change is deferred to a follow-up rather than edited here: filed as + [#439](https://github.com/ScriptedAlchemy/agent-bundle/issues/439). Until then the `native-host-smoke` workflow's Claude source leg will report `harness-failure` on every run against 2.1.257. @@ -92,7 +98,10 @@ reproduced here beyond counts, codes, and field names. The two lineage captures reported `total_cost_usd` of roughly $0.44 and $0.36; the session, packed-Eval (repeated while diagnosing defects 1–2), and -contract turns were each cheaper, all on the operator's Max subscription. Every isolated home used here is under `/tmp/claude-recapture/` -or `/tmp/host-test/` and holds a copy of the long-lived token; `probe:uninstall -claude` removed the probe's home and `rm -rf /tmp/claude-recapture/proof-home` -removes the proofs' home. +contract turns were each cheaper, all on the operator's Max subscription. Every +isolated home used here was under `/tmp/claude-recapture/` or +`/tmp/host-test/` and held a copy of the long-lived token; `probe:uninstall +claude` removed the probe's home (`/tmp/host-test/claude-home` and +`/tmp/host-test/claude-workspace` are gone; the captures under +`/tmp/host-test/claude/` remain) and `rm -rf /tmp/claude-recapture/proof-home` +removed the proofs' home. diff --git a/docs/audits/2026-09-03-host-lineage-matrix.md b/docs/audits/2026-09-03-host-lineage-matrix.md index 87e3e8beb..00f53e372 100644 --- a/docs/audits/2026-09-03-host-lineage-matrix.md +++ b/docs/audits/2026-09-03-host-lineage-matrix.md @@ -3,8 +3,8 @@ Date: 2026-09-03. Probe: `examples/host-test` (this repository, built from the same commit as this document) installed into isolated homes under `/tmp/host-test/-home` through `agent-bundle install `; the real -`~/.claude`, `~/.codex`, and `~/.cursor` were never opened (Claude's sign-in -was transplanted read-only into the isolated home; see the Claude row). Every +`~/.claude`, `~/.codex`, and `~/.cursor` were never written (Claude's sign-in +was seeded into the isolated home by hand; see the Claude row). Every number below comes from the redacted capture logs checked in under `fixtures/host-lineage/` (`claude-2.1.257.ndjson`, `claude-2.1.257-foreground.ndjson`, `codex-0.147.0.ndjson`, @@ -13,7 +13,7 @@ operator home directory are redacted, and long tool payloads are clipped. | Host | Binary observed | Session driver | Subagent mechanism exercised | Depth reached | | --- | --- | --- | --- | --- | -| Claude Code | 2.1.257 (`claude -p`, `--dangerously-skip-permissions`, `--model sonnet` → `claude-sonnet-5`) | **Live model, 2026-09-03, Claude Code 2.1.257.** The isolated `CLAUDE_CONFIG_DIR` authenticated with the operator's long-lived `claude setup-token` (`~/.claude/.claude_code_oauth_token`, copied into the isolated `.credentials.json` by `probe:install`; the interactive session file had expired — `claude auth status` on the real home → `loggedIn: false`, "OAuth session expired and could not be refreshed"). `claude auth status` in the isolated home → `loggedIn: true`, `authMethod: claude.ai`, `subscriptionType: max`. Two sessions were captured: the primary fixture, where Claude Code ran the root's `Agent` in the background, and `-foreground`, where both spawns blocked. An earlier capture on the same day used a scripted Messages-API stand-in (PR #421); its findings are re-verified against the live runs in §8. | `Agent` tool (`subagent_type: general-purpose`), subagent spawned a nested `Agent` | 2 (`subagent_stats.max_depth: 2`, `spawned_by_subagents: 1`) | +| Claude Code | 2.1.257 (`claude -p`, `--dangerously-skip-permissions`, `--model sonnet` → `claude-sonnet-5`) | **Live model, 2026-09-03, Claude Code 2.1.257.** `probe:install claude` copied the operator's `~/.claude/.credentials.json` byte-for-byte as documented, but that interactive session had expired (`claude auth status` on the real home → `loggedIn: false`; a turn in the isolated home → "Failed to authenticate: OAuth session expired and could not be refreshed"), so the isolated `CLAUDE_CONFIG_DIR`'s `.credentials.json` was re-seeded **by hand, outside the checked-in harness**, with the operator's long-lived `claude setup-token` token. The harness itself is unchanged and reads no sign-in state beyond that copy; the real `~/.claude` was never written. `claude auth status` in the isolated home → `loggedIn: true`, `authMethod: claude.ai`, `subscriptionType: max`. Two sessions were captured: the primary fixture, where Claude Code ran the root's `Agent` in the background, and `-foreground`, where both spawns blocked. An earlier capture on the same day used a scripted Messages-API stand-in (PR #421); its findings are re-verified against the live runs in §8. | `Agent` tool (`subagent_type: general-purpose`), subagent spawned a nested `Agent` | 2 (`subagent_stats.max_depth: 2`, `spawned_by_subagents: 1`) | | Codex CLI | 0.147.0 (`codex exec --json --dangerously-bypass-hook-trust`, `[features] multi_agent`, `[agents] max_depth = 3`) | Real model (`gpt-5.6-sol`) with the operator's `auth.json` copied byte-for-byte into the isolated `CODEX_HOME` | `collaborationspawn_agent` (`fork_turns: all`), the spawned thread spawned a nested thread | 2 | | Cursor IDE | 3.18.25 desktop, isolated `--user-data-dir` on Xvfb, `cursorAuth/*` profile rows transplanted, driven over CDP in the Agents pane (`Auto` model) | Real model | `Task` tool (`subagent_type: general-purpose`), the subagent spawned a nested `Task` | 2 | | Cursor CLI (`cursor-agent`) | 2026.08.31 build present | **Not driven**: `cursor-agent status` → `Not logged in`, and logging in requires a browser flow. | — | — | @@ -44,7 +44,7 @@ their caller; row numbers below are the primary fixture's unless marked *fg*. | PreToolUse / PostToolUse (inside the nested agent) | **root** | **nested's** (`a9bc7270b816a535e`) | `general-purpose` | | root's | root | no reference to `aebe9…` | | PostToolUse of the spawning `Agent` call (on the parent) | parent's | parent's (absent on the root) | | the spawn's | | | `tool_response.agentId` **= the child's `agent_id`**, `resolvedModel`; background spawn (row 17, right after SubagentStart): `status: "async_launched"`, `isAsync: true`, `outputFile`, `canReadOutputFile`, `description`, `prompt`; foreground spawn (row 41; *fg* rows 47/49, after the child's SubagentStop): `status: "completed"`, `agentType`, `content[]`, `totalDurationMs`, `totalTokens`, `totalToolUseCount`, `usage`, `toolStats`, `harness*` | | SubagentStart | root | the new agent | `general-purpose` | — | yes | root transcript | **no parent agent id**; no `permission_mode`, no `effort` | -| SubagentStop | root | the stopping agent | `general-purpose` | — | yes | root transcript + `agent_transcript_path` = `/subagents/agent-.jsonl` (flat; nested agent's path does not name its parent) | `permission_mode`, `effort`, `stop_hook_active`, `last_assistant_message`, `background_tasks[]` (every subagent the host is running in the background — `id`, `type: subagent`, `status: running`, `agent_type`, `description` — **including the stopping agent itself** when it was backgrounded, row 45; empty for foreground children, *fg* rows 46/48), `session_crons` | +| SubagentStop | root | the stopping agent | `general-purpose` | — | yes | root transcript + `agent_transcript_path` = `/subagents/agent-.jsonl` (flat; nested agent's path does not name its parent) | `permission_mode`, `effort`, `stop_hook_active`, `last_assistant_message`, `background_tasks[]` (every subagent the host is running in the background — `id`, `type: subagent`, `status: running`, `agent_type`, `description` — **including the stopping agent itself** when it was backgrounded, row 45; empty for foreground children, *fg* rows 46/48). Row 40, the nested agent's SubagentStop, lists `aebe95…` — which happens to be its parent — only because that parent was still running in the background; nothing marks the entry as a parent. `session_crons` | | Stop | root | — | — | — | yes | root | `permission_mode`, `effort`, `stop_hook_active`, `last_assistant_message`, `background_tasks[]` (row 18 lists the still-running background subagent; row 47 and *fg* row 50 are empty), `session_crons` | | SessionEnd | root | — | — | — | yes | root | `reason: "other"`; no `effort` | @@ -59,8 +59,10 @@ The `Agent` tool's `run_in_background` was **unset** on the root's spawn in the primary run and the host chose to background it; it was `false` on the nested spawn and on both *fg* spawns, which blocked. The result document counts the choice: primary `subagent_stats.requested: {background: 0, -foreground: 1, unset: 1}`, `started_in_background: 1`; *fg* `{background: 0, -foreground: 2, unset: 0}`, `started_in_background: 0`. +foreground: 1, unset: 1}`, `started_in_background: 1`, and its final `result` +document carries `origin: {"kind": "task-notification"}` because the last turn +was the host's own re-prompt; *fg* `{background: 0, foreground: 2, unset: 0}`, +`started_in_background: 0`. Not observed in either scenario (the host did not emit them): `Notification`, `PermissionRequest`/`PermissionDenied` (permissions were bypassed), @@ -159,7 +161,7 @@ open at once; `claudecode/toolUseId` names the right one regardless. | Host | Pre-tool hook `tool_name` for an MCP call | `tool_use_id` | MCP `tools/call` `_meta` | Client info | MCP session id | Can the server correlate without hooks? | | --- | --- | --- | --- | --- | --- | --- | -| Claude | `mcp__plugin_host-test_host-test__dump` | `toolu_…` | `{ progressToken, "claudecode/toolUseId": "" }` (live: rows 10↔12 `toolu_01BBNfLZrRqRXfVbbLRzaKQf`, 25↔26 `toolu_01Hojb1ZwFe73yWWxFcnGo4W`, 37↔38 `toolu_01Ga8ivarupF77BLsip9NMuH`, one per depth) | `claude-code` 2.1.257 | none (stdio) | **Yes** — `claudecode/toolUseId` equals the hook's `tool_use_id`; the hook supplies `session_id`/`agent_id`. The generated `dump` tool's `request.lineage` resolved through the registry at depth 0 and depth 1 (rows 11, 29) with `generation` = the root turn's `prompt_id` | +| Claude | `mcp__plugin_host-test_host-test__dump` | `toolu_…` | `{ progressToken, "claudecode/toolUseId": "" }` (live: rows 10↔12 `toolu_01BBNfLZrRqRXfVbbLRzaKQf`, 25↔26 `toolu_01Hojb1ZwFe73yWWxFcnGo4W`, 37↔38 `toolu_01Ga8ivarupF77BLsip9NMuH`, one per depth) | `claude-code` 2.1.257 | none (stdio) | **Yes** — `claudecode/toolUseId` equals the hook's `tool_use_id`; the hook supplies `session_id`/`agent_id`. The generated `dump` tool's `request.lineage` resolved through the registry at depth 0 and depth 1 (rows 11, 29, 43; *fg* 10, 26) with `generation` = the root turn's `prompt_id`; neither live nested agent called `dump`, so depth 2 is resolved only in the replay test | | Codex | `mcp__host_test__dump` | `exec-` | `{ progressToken, plugin_id, threadId, "x-codex-turn-metadata": { session_id, thread_id, turn_id, parent_thread_id?, forked_from_thread_id?, thread_source: "user"|"subagent", subagent_kind?, sandbox, workspaces{…git commit…}, model, reasoning_effort, turn_started_at_unix_ms } }` | `codex-mcp-client` 0.147.0 | none | **Yes, fully** — lineage (thread, parent, root) is in `_meta` itself | | Cursor | `MCP:dump` | plain uuid | `{ progressToken }` only | `cursor-vscode` 1.0.0 | none | **No** — only the pre-tool hook (tool name + ordering) can attach a conversation | @@ -169,11 +171,11 @@ object; the framework's pinned validator rejected every such event (`native tool_response must be an object`, confirmed in the host's `--debug hooks` log and by a raw user-level hook that captured the payload verbatim). Fixed in PR #421: presence is now the only host-independent rule, matching Codex. The live -model confirms the split — all 6 MCP PostToolUse payloads carry a string, all -10 built-in-tool PostToolUse payloads (`Bash`, `Write`, `ToolSearch`, `Skill`, -`Agent`) carry an object — and every one of the 19 (*fg*) / 16 `tool_use` -blocks in the host's own transcripts has a matching PreToolUse and PostToolUse -record, so no live payload was rejected. +model confirms the split — all 6 (*fg*: 5) MCP PostToolUse payloads carry a +string, all 10 (*fg*: 14) built-in-tool PostToolUse payloads (`Bash`, `Write`, +`ToolSearch`, `Skill`, `Agent`) carry an object — and every one of the 16 +(*fg*: 19) `tool_use` blocks in the host's own transcripts has a matching +PreToolUse and PostToolUse record, so no live payload was rejected. ## 4. Environment variable names seen by plugin processes (names only) @@ -202,7 +204,7 @@ gives shell commands the agent runs `CURSOR_CONVERSATION_ID`/`CURSOR_REQUEST_ID` | Host | Root | Parent | | --- | --- | --- | -| Claude | Yes — `session_id` on every event is the root session (re-verified live: all 42 + 45 hook payloads across both runs carry the root id, `CLAUDE_CODE_SESSION_ID` in every plugin process is the root id) | Only through the runtime's registry (inferred at `SubagentStart`); nothing in the child's payload | +| Claude | Yes — `session_id` on every event is the root session (re-verified live: all 42 + 46 hook payloads across both runs carry the root id, `CLAUDE_CODE_SESSION_ID` in every plugin process is the root id) | Only through the runtime's registry (inferred at `SubagentStart`); nothing in the child's payload | | Codex | Yes — `session_id` is the root thread on every event, and `_meta.x-codex-turn-metadata.session_id` on MCP calls | Yes on MCP calls (`parent_thread_id`); on hooks only through the registry (or the parent rollout at `SubagentStop`) | | Cursor | Only through the registry — a child's payload carries neither root nor parent | Only through the registry (ordering-bound) | @@ -233,14 +235,15 @@ deliver no user identity to hooks or MCP servers. | Cursor CLI not exercised | Cursor | table above | Needs a signed-in `cursor-agent`; not attempted on the operator's account | | ~~Claude session used a scripted model~~ | Claude | §8 | Closed 2026-09-03: two live-model sessions replace the stand-in fixture; every stand-in claim held, see §8 | | Claude `PostToolUse(Agent).tool_response.agentId` not consumed by the registry | Claude | §1, §2 | The registry claims the newest unclaimed spawn under the root at `SubagentStart` and marks same-parent sibling cohorts `siblingsUncertain`; the parent's `Agent` PostToolUse could later firm those up. Not needed for either live run (spawns were sequential); left as an improvement | -| Claude interactive OAuth session expired; refresh fails | Claude | header table | `probe:install claude` now falls back to the `claude setup-token` long-lived token when the copied session has expired; the opt-in proofs run with `HOME` pointed at an isolated home seeded the same way (`docs/audits/2026-09-03-claude-live-session-proofs.md`) | +| Claude interactive OAuth session expired; refresh fails | Claude | header table | The checked-in harness only copies `~/.claude/.credentials.json` byte-for-byte, so `probe:install claude` cannot start a signed-in isolated session until the operator signs in again. For the live runs the isolated `.credentials.json` was re-seeded by hand with the operator's long-lived `claude setup-token` token; the opt-in proofs ran with `HOME` pointed at an isolated home seeded the same way (`docs/audits/2026-09-03-claude-live-session-proofs.md`). No credential-handling code was added to the harness | ## 8. Stand-in versus live model (Claude, 2026-09-03) PR #421 captured Claude Code 2.1.257 with a scripted Anthropic Messages API behind `ANTHROPIC_BASE_URL` because the OAuth session on this machine had expired. The two live sessions above were driven by the real model -(`claude-sonnet-5`) through the same probe. What changed and what did not: +(`claude-sonnet-5`) through the same probe, authenticated as described in the +header table. What changed and what did not: | Claim from the stand-in run | Live result | Verdict | | --- | --- | --- | @@ -248,7 +251,7 @@ expired. The two live sessions above were driven by the real model | Child events carry the root `session_id` and their own `agent_id`, never a parent | Every subagent and nested hook payload in both runs | Held | | MCP correlation via `_meta["claudecode/toolUseId"]` = the open `PreToolUse` `tool_use_id` | Three probes per run, one per depth, all equal; still exact when two MCP calls ran in parallel | Held, strengthened | | Depth 2 reachable; `subagent_stats.max_depth: 2` | Both runs | Held | -| `PostToolUse` `tool_response` is a string for MCP tools, an object otherwise | 6 strings / 10 objects (primary), 6 / 13 (*fg*) | Held | +| `PostToolUse` `tool_response` is a string for MCP tools, an object otherwise | 6 strings / 10 objects (primary), 5 / 14 (*fg*) | Held | | `SubagentStart` has no `permission_mode` | Held; **new**: `permission_mode` is on everything else except SessionStart/SessionEnd, and `effort: {"level":"high"}` is on every PreToolUse/PostToolUse/SubagentStop/Stop | Corrected (fields the stand-in never showed; both already lifted by the framework) | | `background_tasks[]` "lists every running subagent" | Lists **background** subagents only (`status: running`), including the stopping agent on its own `SubagentStop`; empty when children run in the foreground | Corrected | | Spawns return `status: "async_launched"`, the root `Stop` fires while children run, and `` prompts re-enter the root | Reproduced by the live host when `run_in_background` was unset (primary run); with `run_in_background: false` the `Agent` call blocks and returns `status: "completed"` with `agentType`, `content[]`, `usage`, `toolStats` (nested spawn; both *fg* spawns) | Held for the background path; the foreground path is new | diff --git a/packages/agent-bundle/src/adapters/capabilities/claude-2.1.250.json b/packages/agent-bundle/src/adapters/capabilities/claude-2.1.250.json index 47061bba6..1f5ac1d88 100644 --- a/packages/agent-bundle/src/adapters/capabilities/claude-2.1.250.json +++ b/packages/agent-bundle/src/adapters/capabilities/claude-2.1.250.json @@ -160,30 +160,29 @@ "subagent-events": { "state": "supported", "evidence": [ - "2026-09-03 live capture (docs/audits/2026-09-03-host-lineage-matrix.md): SubagentStart/SubagentStop carry agent_id and agent_type; every hook inside a subagent carries the subagent's agent_id and the root session_id.", - "2026-09-03 live model (Claude Code 2.1.257, claude-sonnet-5; fixtures/host-lineage/claude-2.1.257.ndjson and claude-2.1.257-foreground.ndjson) re-verified the stand-in capture: the parent's Agent PostToolUse tool_response.agentId names the child (status async_launched for a background spawn right after SubagentStart, completed for a foreground spawn after the child's SubagentStop); Stop/SubagentStop background_tasks[] lists only background subagents still running, including the stopping agent itself; a finished background child re-enters the root as a UserPromptSubmit carrying task-id and tool-use-id." + "live model 2026-09-03, Claude Code 2.1.257 (claude-sonnet-5; fixtures/host-lineage/claude-2.1.257.ndjson and claude-2.1.257-foreground.ndjson, docs/audits/2026-09-03-host-lineage-matrix.md): SubagentStart/SubagentStop carry agent_id and agent_type; every hook inside a subagent carries the subagent's agent_id and the root session_id.", + "live model 2026-09-03, Claude Code 2.1.257: the parent's Agent PostToolUse tool_response.agentId names the child (status async_launched for a background spawn right after SubagentStart, completed for a foreground spawn after the child's SubagentStop); Stop/SubagentStop background_tasks[] lists only background subagents still running, including the stopping agent itself; a finished background child re-enters the root as a UserPromptSubmit carrying task-id and tool-use-id." ] }, "root": { "state": "supported", "evidence": [ - "2026-09-03: session_id is the root session on every hook payload, including nested subagents.", - "2026-09-03 live model (Claude Code 2.1.257): 88 hook payloads across two sessions, every one carrying the root session_id; CLAUDE_CODE_SESSION_ID in hook and MCP server processes is the root id." + "live model 2026-09-03, Claude Code 2.1.257: session_id is the root session on every hook payload, including nested subagents — 88 hook payloads across two sessions, every one carrying the root session_id; CLAUDE_CODE_SESSION_ID in hook and MCP server processes is the root id." ] }, "parent": { "state": "degraded", - "reason": "2026-09-03: no hook payload names a subagent's parent; the runtime registry infers it from the Agent/Task PreToolUse that is open when SubagentStart fires (resolution: registry). Re-verified against the live model 2026-09-03 (Claude Code 2.1.257) at depth 1 and 2 in both background and foreground spawn paths; the parent's Agent PostToolUse tool_response.agentId confirms the inference after the fact." + "reason": "live model 2026-09-03, Claude Code 2.1.257: no hook payload names a subagent's parent; the runtime registry infers it from the Agent/Task PreToolUse that is open when SubagentStart fires (resolution: registry), verified at depth 1 and 2 in both background and foreground spawn paths; the parent's Agent PostToolUse tool_response.agentId confirms the inference after the fact." }, "depth": { "state": "degraded", - "reason": "2026-09-03: no depth counter is delivered; the registry derives it from the inferred parent chain." + "reason": "live model 2026-09-03, Claude Code 2.1.257: no depth counter is delivered (the result document's subagent_stats.max_depth is not a hook field); the registry derives depth from the inferred parent chain." }, "mcp-correlation": { "state": "supported", "evidence": [ - "2026-09-03: tools/call _meta carries claudecode/toolUseId equal to the PreToolUse tool_use_id, so the generated server resolves the caller's conversation through the open pre-tool hook.", - "2026-09-03 live model (Claude Code 2.1.257): claudecode/toolUseId matched the open PreToolUse tool_use_id on every MCP call at depth 0, 1, and 2, including calls the model issued in parallel with two pre-tool windows open; MCP PostToolUse tool_response is a string and built-in-tool tool_response an object in every live payload." + "live model 2026-09-03, Claude Code 2.1.257: tools/call _meta carries claudecode/toolUseId equal to the PreToolUse tool_use_id, so the generated server resolves the caller's conversation through the open pre-tool hook; it matched on every MCP call at depth 0, 1, and 2, including calls the model issued in parallel with two pre-tool windows open.", + "live model 2026-09-03, Claude Code 2.1.257: MCP PostToolUse tool_response is a string and built-in-tool tool_response an object in every live payload." ] } }, From 92ac4d7f478bd54b1811b3b2ac8b67c5882fef98 Mon Sep 17 00:00:00 2001 From: ScriptedAlchemy Date: Thu, 3 Sep 2026 19:39:13 +0000 Subject: [PATCH 6/7] docs(audits): describe the one-off local sign-in seeding precisely --- .../2026-09-03-claude-live-session-proofs.md | 19 +++++++++++-------- docs/audits/2026-09-03-host-lineage-matrix.md | 6 +++--- 2 files changed, 14 insertions(+), 11 deletions(-) diff --git a/docs/audits/2026-09-03-claude-live-session-proofs.md b/docs/audits/2026-09-03-claude-live-session-proofs.md index 101fbc809..600a6afe3 100644 --- a/docs/audits/2026-09-03-claude-live-session-proofs.md +++ b/docs/audits/2026-09-03-claude-live-session-proofs.md @@ -8,21 +8,24 @@ the isolated home was authenticated, exactly what each proof asserted, and what failed. Raw logs stayed under `/tmp/claude-recapture/`; nothing from them is reproduced here beyond counts, codes, and field names. -## Authentication: isolated home, sign-in seeded by hand +## Authentication: isolated home, sign-in seeded outside the harness - The real `~/.claude` was opened **read-only**. Its `.credentials.json` (interactive OAuth session) had expired and could not be refreshed: `claude auth status` on the real home reported `loggedIn: false`, and a turn in an isolated home seeded with the harness's byte-for-byte copy failed with `Failed to authenticate: OAuth session expired and could not be - refreshed`. The same turn with the operator's normal configuration failed - the same way, so the documented fallback (normal configuration, temporary - project directory) was not available either. + refreshed`. Because `claude auth status` against the operator's normal + configuration already reported `loggedIn: false`, the documented fallback + (normal configuration, temporary project directory) was not available + either; no turn was run against the real home. - The operator's long-lived `claude setup-token` token was still valid. The - isolated home's `.claude/.credentials.json` was therefore re-seeded **by - hand, outside the checked-in harness**, with that token; no code that reads - or copies sign-in state was added to `examples/host-test` or to the test - support, which still only copy `.credentials.json` byte-for-byte. + isolated home's `.claude/.credentials.json` was therefore re-seeded with + that token by a **one-off local step outside the checked-in harness** (an + uncommitted local edit of `probe:install` that wrote the token into the + isolated file and never logged its value; discarded afterwards). No code + that reads or copies sign-in state was added to `examples/host-test` or to + the test support, which still only copy `.credentials.json` byte-for-byte. `claude auth status` in that home: `loggedIn: true`, `authMethod: claude.ai`, `apiProvider: firstParty`, `subscriptionType: max`. - The proofs below ran with `HOME=/tmp/claude-recapture/proof-home`, a diff --git a/docs/audits/2026-09-03-host-lineage-matrix.md b/docs/audits/2026-09-03-host-lineage-matrix.md index 00f53e372..89859096e 100644 --- a/docs/audits/2026-09-03-host-lineage-matrix.md +++ b/docs/audits/2026-09-03-host-lineage-matrix.md @@ -4,7 +4,7 @@ Date: 2026-09-03. Probe: `examples/host-test` (this repository, built from the same commit as this document) installed into isolated homes under `/tmp/host-test/-home` through `agent-bundle install `; the real `~/.claude`, `~/.codex`, and `~/.cursor` were never written (Claude's sign-in -was seeded into the isolated home by hand; see the Claude row). Every +was seeded into the isolated home outside the harness; see the Claude row). Every number below comes from the redacted capture logs checked in under `fixtures/host-lineage/` (`claude-2.1.257.ndjson`, `claude-2.1.257-foreground.ndjson`, `codex-0.147.0.ndjson`, @@ -13,7 +13,7 @@ operator home directory are redacted, and long tool payloads are clipped. | Host | Binary observed | Session driver | Subagent mechanism exercised | Depth reached | | --- | --- | --- | --- | --- | -| Claude Code | 2.1.257 (`claude -p`, `--dangerously-skip-permissions`, `--model sonnet` → `claude-sonnet-5`) | **Live model, 2026-09-03, Claude Code 2.1.257.** `probe:install claude` copied the operator's `~/.claude/.credentials.json` byte-for-byte as documented, but that interactive session had expired (`claude auth status` on the real home → `loggedIn: false`; a turn in the isolated home → "Failed to authenticate: OAuth session expired and could not be refreshed"), so the isolated `CLAUDE_CONFIG_DIR`'s `.credentials.json` was re-seeded **by hand, outside the checked-in harness**, with the operator's long-lived `claude setup-token` token. The harness itself is unchanged and reads no sign-in state beyond that copy; the real `~/.claude` was never written. `claude auth status` in the isolated home → `loggedIn: true`, `authMethod: claude.ai`, `subscriptionType: max`. Two sessions were captured: the primary fixture, where Claude Code ran the root's `Agent` in the background, and `-foreground`, where both spawns blocked. An earlier capture on the same day used a scripted Messages-API stand-in (PR #421); its findings are re-verified against the live runs in §8. | `Agent` tool (`subagent_type: general-purpose`), subagent spawned a nested `Agent` | 2 (`subagent_stats.max_depth: 2`, `spawned_by_subagents: 1`) | +| Claude Code | 2.1.257 (`claude -p`, `--dangerously-skip-permissions`, `--model sonnet` → `claude-sonnet-5`) | **Live model, 2026-09-03, Claude Code 2.1.257.** `probe:install claude` copied the operator's `~/.claude/.credentials.json` byte-for-byte as documented, but that interactive session had expired (`claude auth status` on the real home → `loggedIn: false`; a turn in the isolated home → "Failed to authenticate: OAuth session expired and could not be refreshed"), so the isolated `CLAUDE_CONFIG_DIR`'s `.credentials.json` was re-seeded with the operator's long-lived `claude setup-token` token by a **one-off local step outside the checked-in harness** (an uncommitted local edit of `probe:install`, discarded afterwards; `docs/audits/2026-09-03-claude-live-session-proofs.md`). The harness itself is unchanged and reads no sign-in state beyond that copy; the real `~/.claude` was never written. `claude auth status` in the isolated home → `loggedIn: true`, `authMethod: claude.ai`, `subscriptionType: max`. Two sessions were captured: the primary fixture, where Claude Code ran the root's `Agent` in the background, and `-foreground`, where both spawns blocked. An earlier capture on the same day used a scripted Messages-API stand-in (PR #421); its findings are re-verified against the live runs in §8. | `Agent` tool (`subagent_type: general-purpose`), subagent spawned a nested `Agent` | 2 (`subagent_stats.max_depth: 2`, `spawned_by_subagents: 1`) | | Codex CLI | 0.147.0 (`codex exec --json --dangerously-bypass-hook-trust`, `[features] multi_agent`, `[agents] max_depth = 3`) | Real model (`gpt-5.6-sol`) with the operator's `auth.json` copied byte-for-byte into the isolated `CODEX_HOME` | `collaborationspawn_agent` (`fork_turns: all`), the spawned thread spawned a nested thread | 2 | | Cursor IDE | 3.18.25 desktop, isolated `--user-data-dir` on Xvfb, `cursorAuth/*` profile rows transplanted, driven over CDP in the Agents pane (`Auto` model) | Real model | `Task` tool (`subagent_type: general-purpose`), the subagent spawned a nested `Task` | 2 | | Cursor CLI (`cursor-agent`) | 2026.08.31 build present | **Not driven**: `cursor-agent status` → `Not logged in`, and logging in requires a browser flow. | — | — | @@ -235,7 +235,7 @@ deliver no user identity to hooks or MCP servers. | Cursor CLI not exercised | Cursor | table above | Needs a signed-in `cursor-agent`; not attempted on the operator's account | | ~~Claude session used a scripted model~~ | Claude | §8 | Closed 2026-09-03: two live-model sessions replace the stand-in fixture; every stand-in claim held, see §8 | | Claude `PostToolUse(Agent).tool_response.agentId` not consumed by the registry | Claude | §1, §2 | The registry claims the newest unclaimed spawn under the root at `SubagentStart` and marks same-parent sibling cohorts `siblingsUncertain`; the parent's `Agent` PostToolUse could later firm those up. Not needed for either live run (spawns were sequential); left as an improvement | -| Claude interactive OAuth session expired; refresh fails | Claude | header table | The checked-in harness only copies `~/.claude/.credentials.json` byte-for-byte, so `probe:install claude` cannot start a signed-in isolated session until the operator signs in again. For the live runs the isolated `.credentials.json` was re-seeded by hand with the operator's long-lived `claude setup-token` token; the opt-in proofs ran with `HOME` pointed at an isolated home seeded the same way (`docs/audits/2026-09-03-claude-live-session-proofs.md`). No credential-handling code was added to the harness | +| Claude interactive OAuth session expired; refresh fails | Claude | header table | The checked-in harness only copies `~/.claude/.credentials.json` byte-for-byte, so `probe:install claude` cannot start a signed-in isolated session until the operator signs in again. For the live runs the isolated `.credentials.json` was re-seeded, by a one-off local step outside the harness, with the operator's long-lived `claude setup-token` token; the opt-in proofs ran with `HOME` pointed at an isolated home seeded the same way (`docs/audits/2026-09-03-claude-live-session-proofs.md`). No credential-handling code was added to the harness | ## 8. Stand-in versus live model (Claude, 2026-09-03) From c2f30e537906527be243704bcbad26095aef6e7f Mon Sep 17 00:00:00 2001 From: ScriptedAlchemy Date: Thu, 3 Sep 2026 19:58:31 +0000 Subject: [PATCH 7/7] docs(audits): describe the packed-smoke environment filter by its actual patterns --- .../audits/2026-09-03-claude-live-session-proofs.md | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/docs/audits/2026-09-03-claude-live-session-proofs.md b/docs/audits/2026-09-03-claude-live-session-proofs.md index 600a6afe3..46e74efa4 100644 --- a/docs/audits/2026-09-03-claude-live-session-proofs.md +++ b/docs/audits/2026-09-03-claude-live-session-proofs.md @@ -37,10 +37,15 @@ is reproduced here beyond counts, codes, and field names. unchanged after every run (05:34, 08:12, 08:12, and 08:23 UTC respectively, all earlier than the first isolated turn of the day at 16:55 UTC). The isolated home was removed after the runs. -- The `packedNativeEnvironment` allowlist strips every credential-shaped - variable name (`*TOKEN*`, `*KEY*`, …), so a `CLAUDE_CODE_OAUTH_TOKEN` - environment transplant would not reach the host; the on-disk credentials - file is the only route these proofs can authenticate through. +- `packedNativeEnvironment` drops `NODE_PATH`, the alternate-provider + variables, and any name that (case-insensitively, ignoring separators) + contains `apikey`, `apitoken`, `authtoken`, `accesstoken`, `authorization`, + `credential`, `password`, `secret`, or `token` (`credentialEnvironmentKey` + in `packages/agent-bundle/tests/support/packed-native-smoke.ts`). Generic + names such as `AWS_ACCESS_KEY_ID` are not filtered. Because + `CLAUDE_CODE_OAUTH_TOKEN` matches `token`, an environment transplant would + not reach the host; the on-disk credentials file is the only route these + proofs can authenticate through. ## Results