- apps/api: psycopg v3 repositories, schema.sql + migration runner, state machine
implementing the data-model transition table, approval gate with sha256 hash
match + 24h expiry enforced at send time, EchoTransport pluggable sender,
LLM calls routed through packages.llm-gateway with mock mode, 47 pytest tests green
- apps/api/Dockerfile.test: python 3.13-slim test image (DinD-safe: migrations
copied as directory)
- docker-compose.yml: add api-test service on compose network (host port
publishing is broken in this sandbox; container-to-container networking used)
- Fix: replace masked placeholder password in config.py/conftest.py defaults
