Full-Stack / SaaS

Build a Python order API that survives a lost response and concurrent retries. Run the SQLite example, inspect saved orders and test conflicting keys.

Review tenant-aware cache keys, authorization before cache hits and scoped invalidation. Includes a tested synthetic Python example and deployment checklist.

Review client portal revocation across server permissions, existing sessions, exports and signed links. Includes a worksheet for recording each access boundary.

A new device needs the encrypted key backup and its password before it can read an existing advisory delivery.

A rule release needs a controlled state transition and a clear account of which version each business event uses.

Useful operation evidence connects the actor to the business change without copying secrets into the log.