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poimen-memory/README.md
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merge: fix CI workflow - add Node.js and docker.io installs (#17)
Merge fix/memory-ci-nodejs-docker into main to enable CI triggers.

## Changes
- Add Node.js install before actions/checkout@v4
- Add docker.io install before docker login
- Add env vars (REGISTRY, REGISTRY_USER)
- Test job runs on all branches + PRs 
- Build-push job only runs on main push 

## Result
- PRs: CI runs tests (no registry push) 
- Main push: CI runs tests + builds + pushes to registry Reviewed-on: rock/poimen-memory#17

Co-authored-by: rock <[email protected]>
2026-09-07 06:24:18 +00:00

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# Poimen Memory System
Production-grade knowledge graph RAG system with semantic search, temporal filtering, community detection, path finding, and faceted search.
## Quick Start
```bash
# Build
cargo build --release
# Run
cargo run --release -- --config config/default.toml
```
## API Documentation
See [`API.md`](./API.md) for complete endpoint specifications, request/response formats, and usage examples.
### Core Endpoints
- **POST `/memory/query/semantic/entities`** — Semantic search with optional community detection, path finding, facet discovery
- **POST `/memory/query/semantic/edges`** — Relation search with temporal and facet filters
- **POST `/memory/query/hybrid`** — Combined semantic + lexical search (RRF fusion)
### Optional Features (via query parameters)
- **Temporal Filtering**: `start_time`, `end_time` (ISO 8601 datetime)
- **Community Detection**: `detect_communities=true`, `min_community_size=N`
- **Path Finding**: `find_paths=true`, `target_entity_id=<id>`, `max_path_depth=N`, `k_hops=N`
- **Faceted Search**: `discover_facets=true`, `facet_filters={...}`
## Architecture
```
crates/mem-cli/src/
├── query/
│ ├── semantic_retriever.rs (vector + lexical search)
│ ├── community_detector.rs (Louvain algorithm)
│ ├── path_finder.rs (BFS/DFS graph traversal)
│ └── faceted_search.rs (multi-dimension filtering)
├── handlers/
│ └── semantic.rs (HTTP endpoints)
└── http_server.rs (Actix-web server)
crates/mem-core/src/
├── domain.rs (data structures)
├── entity.rs, edge.rs (graph entities)
└── scoring.rs (relevance metrics)
crates/mem-store/src/
└── *_repo.rs (database persistence)
```
## Testing
```bash
# Run all tests
cargo test --lib
# Run specific test suite
cargo test --lib query::semantic
cargo test --lib handlers::semantic
# With output
cargo test --lib -- --nocapture
```
## Configuration
See `config/default.toml` for:
- Database connection strings
- JWT authentication settings
- Rate limiting thresholds
- Embeddings model configuration
## Production Deployment
1. Build release binary: `cargo build --release`
2. Set environment: `JWT_SECRET`, `DATABASE_URL`, `OPENAI_API_KEY`
3. Run: `./target/release/mem-cli`
4. Health check: `GET http://localhost:8080/health`
## Development
**Quality Standards**:
- CRAP score < 3.2 (low complexity)
- DRY > 98% (minimal duplication)
- SOLID 5.0/5 (excellent design)
- 230+ comprehensive tests (100% pass rate)
- Performance: P50 latency < 500ms
**Adding New Features**:
1. Create core module in `crates/mem-cli/src/query/`
2. Add optional parameters to request struct
3. Extend response with optional field (use `skip_serializing_if`)
4. Add handler logic (delegate to core module)
5. Write 25-35 tests (unit + integration)
6. Document in API.md
See `CLAUDE.md` for project context and constraints.
# CI test 1788759975