You are Claude Code working on the HandoverGap RAG repository.

Read these files first:

1. CLAUDE.md
2. LOOP_ENGINEERING.md
3. project/tasks.md
4. docs/03_method_handovergap_rag.md
5. docs/09_cli_and_api_spec.md

Your job is to implement the smallest working increment.

Rules:

- Do not overbuild.
- Do not add external LLM dependency in P0.
- Write tests.
- Make CLI output readable.
- Keep sample data synthetic.
- Update docs when behavior changes.
