Anto01 14ab7c8e9f fix: pass project_hint into retrieve and add path-signal ranking
Two changes that belong together:

1. builder.build_context() now passes project_hint into retrieve(),
   so the project-aware boost actually fires for the retrieval pipeline
   driven by /context/build. Before this, only direct /query callers
   benefited from the registered-project boost.

2. retriever now applies two more ranking signals on every chunk:
   - _query_match_boost: boosts chunks whose source/title/heading
     echo high-signal query tokens (stop list filters out generic
     words like "the", "project", "system")
   - _path_signal_boost: down-weights archival noise (_archive,
     _history, pre-cleanup, reviews) by 0.72 and up-weights current
     high-signal docs (status, decision, requirements, charter,
     system-map, error-budget, ...) by 1.18

Tests:
- test_context_builder_passes_project_hint_to_retrieval verifies
  the wiring fix
- test_retrieve_downranks_archive_noise_and_prefers_high_signal_paths
  verifies the new ranking helpers prefer current docs over archive

This addresses the cross-project competition and archive bleed
called out in current-state.md after the Wave 1 ingestion.
2026-04-06 18:37:07 -04:00
2026-04-06 12:45:28 -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

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

Architecture Notes

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

Current additions:

  • docs/architecture/engineering-knowledge-hybrid-architecture.md
  • docs/architecture/engineering-ontology-v1.md
Description
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