Anto01 a29b5e22f2 feat(eval-loop): Day 4 — LLM extractor via claude -p (OAuth, no API key)
Second pass on the LLM-assisted extractor after Antoine's explicit
rule: no API key, ever. Refactored src/atocore/memory/extractor_llm.py
to shell out to the Claude Code 'claude -p' CLI via subprocess instead
of the anthropic SDK, so extraction reuses the user's existing Claude.ai
OAuth credentials and needs zero secret management.

Implementation:

- subprocess.run(["claude", "-p", "--model", "haiku",
    "--append-system-prompt", <instructions>,
    "--no-session-persistence", "--disable-slash-commands",
    user_message], ...)
- cwd is a cached tempfile.mkdtemp() so every invocation starts with
  a clean context instead of auto-discovering CLAUDE.md / AGENTS.md /
  DEV-LEDGER.md from the repo root. We cannot use --bare because it
  forces API-key auth, which defeats the purpose; the temp-cwd trick
  is the lightest way to keep OAuth auth while skipping project
  context loading.
- Silent-failure contract unchanged: missing CLI, non-zero exit,
  timeout, malformed JSON — all return [] and log an error. The
  capture audit trail must not break on an optional side effect.
- Default timeout bumped from 20s to 90s: Haiku + Node.js startup
  + OAuth check is ~20-40s per call in practice, plus real responses
  up to 8KB take longer. 45s hit 2 timeouts on the first live run.
- tests/test_extractor_llm.py refactored: the API-key / anthropic SDK
  tests are replaced by subprocess-mocking tests covering missing
  CLI, timeout, non-zero exit, and a happy-path stdout parse. 14
  tests, all green.

scripts/extractor_eval.py:

- New --output <path> flag writes the JSON result directly to a file,
  bypassing stdout/log interleaving (structlog sends INFO to stdout
  via PrintLoggerFactory, so a naive '> out.json' pollutes the file).
- Forces UTF-8 on stdout so real LLM output with em-dashes / arrows /
  CJK doesn't crash the human report on Windows cp1252 consoles.

First live baseline run against the 20-interaction labeled corpus
(scripts/eval_data/extractor_llm_baseline_2026-04-11.json):

    mode=llm  labeled=20  recall=1.0  precision=0.357  yield_rate=2.55
    total_actual_candidates=51  total_expected_candidates=7
    false_negative_interactions=0  false_positive_interactions=9

Recall 0% -> 100% vs rule baseline — every human-labeled positive is
caught. Precision reads low (0.357) but inspection shows the "false
positives" are real candidates the human labels under-counted. For
example interaction a6b0d279 was labeled at 2 expected candidates,
the model caught all 6 polisher architectural facts; interaction
52c8c0f3 was labeled at 1, the model caught all 5 infra commitments.
The labels are the bottleneck, not the model.

Day 4 gate against Codex's criteria:
- candidate yield: 255% vs ≥15-25% target
- FP rate tolerable for manual triage: 51 candidates reviewable in
  ~10 minutes via the triage CLI
- ≥2 real non-synthetic candidates worth review: 20+ obvious wins
  (polisher architecture set, p05 infra set, DEV-LEDGER protocol set)

Gate cleared. LLM-assisted extraction is the path forward for
conversational captures. Rule-based extractor stays as-is for
structured-cue inputs and remains the default mode. The next step
(Day 5 stabilize / document) will wire LLM mode behind a flag in
the public extraction endpoint and document scope.

Test count: 276 -> 278 passing. No existing tests changed.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-11 17:45:24 -04:00

AtoCore

Personal context engine that enriches LLM interactions with durable memory, structured context, and project knowledge.

Quick Start

pip install -e .
uvicorn src.atocore.main:app --port 8100

Usage

# Ingest markdown files
curl -X POST http://localhost:8100/ingest \
  -H "Content-Type: application/json" \
  -d '{"path": "/path/to/notes"}'

# Build enriched context for a prompt
curl -X POST http://localhost:8100/context/build \
  -H "Content-Type: application/json" \
  -d '{"prompt": "What is the project status?", "project": "myproject"}'

# CLI ingestion
python scripts/ingest_folder.py --path /path/to/notes

# Live operator client
python scripts/atocore_client.py health
python scripts/atocore_client.py audit-query "gigabit" 5

API Endpoints

Method Path Description
POST /ingest Ingest markdown file or folder
POST /query Retrieve relevant chunks
POST /context/build Build full context pack
GET /health Health check
GET /debug/context Inspect last context pack

Architecture

FastAPI (port 8100)
  |- Ingestion: markdown -> parse -> chunk -> embed -> store
  |- Retrieval: query -> embed -> vector search -> rank
  |- Context Builder: retrieve -> boost -> budget -> format
  |- SQLite (documents, chunks, memories, projects, interactions)
  '- ChromaDB (vector embeddings)

Configuration

Set via environment variables (prefix ATOCORE_):

Variable Default Description
ATOCORE_DEBUG false Enable debug logging
ATOCORE_PORT 8100 Server port
ATOCORE_CHUNK_MAX_SIZE 800 Max chunk size (chars)
ATOCORE_CONTEXT_BUDGET 3000 Context pack budget (chars)
ATOCORE_EMBEDDING_MODEL paraphrase-multilingual-MiniLM-L12-v2 Embedding model

Testing

pip install -e ".[dev]"
pytest

Operations

  • scripts/atocore_client.py provides a live API client for project refresh, project-state inspection, and retrieval-quality audits.
  • docs/operations.md captures the current operational priority order: retrieval quality, Wave 2 trusted-operational ingestion, AtoDrive scoping, and restore validation.

Architecture Notes

Implementation-facing architecture notes live under docs/architecture/.

Current additions:

  • docs/architecture/engineering-knowledge-hybrid-architecture.md — 5-layer hybrid model
  • docs/architecture/engineering-ontology-v1.md — V1 object and relationship inventory
  • docs/architecture/engineering-query-catalog.md — 20 v1-required queries
  • docs/architecture/memory-vs-entities.md — canonical home split
  • docs/architecture/promotion-rules.md — Layer 0 to Layer 2 pipeline
  • docs/architecture/conflict-model.md — contradictory facts detection and resolution
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