- store: SQLite (WAL, foreign keys ON, CGO-free driver) + the embedded
migration runner; each module's migrations are name-prefixed (D-012)
- audit: the append-only audit log; the actor threads via context (R-1)
- users: the user_id/GUID/email anchors (D-013)
- config: the YAML settings file (D-035) + validation
- httpx: cookies · loopback detection · trusted-proxy XFF · CSRF · security
headers · redaction
- middleware: correlation id · audit · rate limiting
- mail: the invite/recovery mailer seam
- server: the core DOOR — the resolution switch, the dispatch registry
(RegisterModule), the role gates, /setup · enroll/login · recovery flows,
the reserved `static` workflow, and the loopback-only bootstrap (D-025)