# US01-02 — Establish Application and Database Foundation

Epic: [E01](../E01-shared-identity-inventory.md)

As an operator, I want the API, worker configuration, and database lifecycle to start
consistently so later services share one durable foundation.

## Acceptance criteria

- FastAPI factory, typed configuration, SQLAlchemy sessions, Alembic, WAL, foreign
  keys, structured logging, and readiness are configured.
- Stable asset IDs, path occurrences, versions, and audit timestamps have migrations.
- Secrets are referenced through configuration and never returned or logged.
- Startup and shutdown leave no leaked worker or database resources.

## Automated tests

- Migrations pass from an empty database and supported legacy schema snapshots.
- Process-level integration tests verify readiness, restart, WAL, foreign keys, and
  clean shutdown.

## Dependencies

- US01-01