# services/ Backend microservices. Each directory is independently deployable, ships a `Dockerfile`, a `/health` endpoint, and its own `README.md` describing its contract. | Dir | Role | Phase introduced | |---|---|---| | `gateway/` | BFF for clients; auth check; fan-out to services | 0 | | `auth/` | OAuth (Google/Apple), sessions, JWT | 0 | | `profile/` | user profile, preferences, consents | 0 | | `integrations/` | third-party connectors + encrypted token vault (Todoist first) | 0 | | `recommender/` | `POST /recommend` — policy-driven tip selection | 0 | | `events/` | event bus ingress + durable signal store | 1 | | `notifier/` | push/email/web delivery with quiet-hours | 3 |