Complete Phase 2: Card import, deck building, and full API

- Add card import feature with fuzzy matching
- Implement deck CRUD and management endpoints
- Add user data APIs for groups, networks, preferences, activity, replays
- Create comprehensive API documentation (API_DOCUMENTATION.md)
- Add ENDPOINT_AUDIT.md for endpoint verification
- Update documentation (README, ROADMAP, state.json)
- Update architecture blueprint and Cockatrice analysis
- All Phase 2 deliverables complete and documented

README.md

@@ -12,6 +12,7 @@ This project provides a backend API for a Magic: The Gathering Online platform.
 - **Dual PostgreSQL** — Two databases: `mtgonline` for the application (users, decks, auth) and `mtgdata` for MTG card data.
 - **Redis Caching** — Used for card lookup caching and interaction pipeline state.
 - **Card Import Feature** — Users can import their card collection (fuzzy matching enabled) for deckbuilding constraints.
+- **Deck Management** — Full deck CRUD with precedents, suggestions, and status tracking (DRAFT/FINAL).
 - **REST API** — `/docs` (Swagger) available at runtime.
 
 ## Architecture
@@ -44,7 +45,7 @@ mtgonline/
 
 ## API Endpoints
 
-### Card Import (New)
+### Card Import (`/api/v1/card-import/`)
 
 | Method | Endpoint | Description |
 |--------|----------|-------------|
@@ -70,7 +71,7 @@ mtgonline/
 }
 ```
 
-### User Data Endpoints
+### User Data Endpoints (`/api/v1/user-data/`)
 
 | Method | Endpoint | Description |
 |--------|----------|-------------|
@@ -136,7 +137,7 @@ The backend will automatically download MTGJSON data on first startup (this may
 | Health Check  | `http://localhost:5555/health` |
 | PostgreSQL (app)  | `localhost:5432`    |
 | PostgreSQL (MTG)  | `localhost:5433`    |
-| Redis         | `localhost:6379`    |
+| Redis         | `localhost:6379`      |
 
 ### Manual Data Refresh