Bootstrap project and safe work-item workflow

delivery_backlog/stories/US01-02-app-database-foundation.md

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+# 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