duckbrain-namespace-write-durable-path
Done. Solution is at /workspace/solution.md (working helper also at /workspace/durable_remember.py).
remember --wait only waits for the RPC to enqueue into an in-process batch. The line will be committed in batch is printed before any flush; when the short-lived Node process exits, the pending batch buffer and its timer are torn down, so nothing is persisted. The success line is a false positive.POST /api/memories with X-API-Key, which writes namespaces/<ns>/<domain>/YYYY-MM/current.jsonl and _audit/current.jsonl.DEEPSEEK_* keys in ~/.hermes/.env are not daemon credentials (401 for both header styles). Real tokens are ~/.duckbrain/*.token. The read-only unix socket still enforces auth.A Python client that:
1. Picks the newest ~/.duckbrain/*.token, falling through on 401.
2. POSTs {key, domain, content} to the HTTP API.
3. Verifies by destination, polling both the partition JSONL and the audit JSONL until a single line contains both the returned id and the key; exits 0 only then.
4. Exits non-zero on any 401, unexpected status, or missing row.
The markdown also includes a curl one-liner path and manual grep spot-checks.
Since no live daemon exists in this sandbox, I built a mock reproducing the contract (header auth, 201 {"id"}, JSONL appends) and ran:
positive (writes) -> exit 0, both files contain id+key, DURABLE
negative (201, WRITE=0) -> exit 1, both files MISS (catches the false positive)
all-bad tokens -> exit 1, HTTP 401
SELFTEST: PASS
Also verified the embedded Python body in the markdown is byte-identical to the compiled/tested helper.
# Evidence - Problem class: duckbrain-namespace-write-durable-path - Model: openrouter/deepseek/deepseek-v4.1-flash - Solved: 2026-09-18T05:53:28.192Z - Verification: solution produced by pi in sandbox; see signatures.json
{"description": "Writing a foreman narration key: the CLI `node bin/duckbrain.js remember <key> --domain=event --namespace=<ns> --wait < content` prints 'Remembered <key> (ID: <uuid>) - will be committed in batch' and then the row NEVER reaches disk (0 grep hits under the namespace after the process exits and several minutes later) - the batching buffer dies with the CLI process, so the success line is a false positive (verify by DESTINATION, never by the success message). The durable path is the HTTP API: POST http://<ip-address>:3000/api/memories?namespace=<ns> with header 'X-API-Key: <token>' and body {key, domain, content} -> 201 {id}, and both the partition JSONL (event|config|.../YYYY-MM/current.jsonl) and _audit/current.jsonl contain the uuid immediately. Tokens live under ~/.duckbrain/*.token (e.g. token-<epoch>.token); the DUCKBRAIN-ish keys in ~/.hermes/.env (DEEPSEEK_PAYG_DUCKBRAIN_KEY, DEEPSEEK_DUCKBRAIN_SYNC_API_KEY) return 401 for both X-API-Key and Authorization: Bearer. The read-only unix socket /tmp/duckbrain.sock still enforces auth.", "environment": "DuckBrain v1.0.0, HTTP daemon node bin/duckbrain.js http --port 3000 --auth=apikey, git-backed namespaces under ~/duckbrain/namespaces/<ns>/", "language": "python", "model": "openrouter/deepseek/deepseek-v4.1-flash", "problem_class": "duckbrain-namespace-write-durable-path", "provider": "openrouter", "solved_at": "2026-09-18T05:53:28.192Z", "version": ""}Done. Solution is at /workspace/solution.md (working helper also at /workspace/durable_remember.py).
remember --wait only waits for the RPC to enqueue into an in-process batch. The line will be committed in batch is printed before any flush; when the short-lived Node process exits, the pending batch buffer and its timer are torn down, so nothing is persisted. The success line is a false positive.POST /api/memories with X-API-Key, which writes namespaces/<ns>/<domain>/YYYY-MM/current.jsonl and _audit/current.jsonl.DEEPSEEK_* keys in ~/.hermes/.env are not daemon credentials (401 for both header styles). Real tokens are ~/.duckbrain/*.token. The read-only unix socket still enforces auth.A Python client that:
1. Picks the newest ~/.duckbrain/*.token, falling through on 401.
2. POSTs {key, domain, content} to the HTTP API.
3. Verifies by destination, polling both the partition JSONL and the audit JSONL until a single line contains both the returned id and the key; exits 0 only then.
4. Exits non-zero on any 401, unexpected status, or missing row.
The markdown also includes a curl one-liner path and manual grep spot-checks.
Since no live daemon exists in this sandbox, I built a mock reproducing the contract (header auth, 201 {"id"}, JSONL appends) and ran:
positive (writes) -> exit 0, both files contain id+key, DURABLE
negative (201, WRITE=0) -> exit 1, both files MISS (catches the false positive)
all-bad tokens -> exit 1, HTTP 401
SELFTEST: PASS
Also verified the embedded Python body in the markdown is byte-identical to the compiled/tested helper.
# Evidence - Problem class: duckbrain-namespace-write-durable-path - Model: openrouter/deepseek/deepseek-v4.1-flash - Solved: 2026-09-18T05:53:28.192Z - Verification: solution produced by pi in sandbox; see signatures.json
{"description": "Writing a foreman narration key: the CLI `node bin/duckbrain.js remember <key> --domain=event --namespace=<ns> --wait < content` prints 'Remembered <key> (ID: <uuid>) - will be committed in batch' and then the row NEVER reaches disk (0 grep hits under the namespace after the process exits and several minutes later) - the batching buffer dies with the CLI process, so the success line is a false positive (verify by DESTINATION, never by the success message). The durable path is the HTTP API: POST http://<ip-address>:3000/api/memories?namespace=<ns> with header 'X-API-Key: <token>' and body {key, domain, content} -> 201 {id}, and both the partition JSONL (event|config|.../YYYY-MM/current.jsonl) and _audit/current.jsonl contain the uuid immediately. Tokens live under ~/.duckbrain/*.token (e.g. token-<epoch>.token); the DUCKBRAIN-ish keys in ~/.hermes/.env (DEEPSEEK_PAYG_DUCKBRAIN_KEY, DEEPSEEK_DUCKBRAIN_SYNC_API_KEY) return 401 for both X-API-Key and Authorization: Bearer. The read-only unix socket /tmp/duckbrain.sock still enforces auth.", "environment": "DuckBrain v1.0.0, HTTP daemon node bin/duckbrain.js http --port 3000 --auth=apikey, git-backed namespaces under ~/duckbrain/namespaces/<ns>/", "language": "python", "model": "openrouter/deepseek/deepseek-v4.1-flash", "problem_class": "duckbrain-namespace-write-durable-path", "provider": "openrouter", "solved_at": "2026-09-18T05:53:28.192Z", "version": ""}