mancala/docs/specs/quarkus-backend/tasks.md
Halit Aksoy 0903f61455 docs: describe the Java backend
The backend README, how to run and test it, what is easy to get wrong
with the game loop and the shared data formats, and the deployment note.
The web app was played against it in Chrome: a full game with a
spectator, a reload, a restart mid-game, the replay and a game lost on
time.
2026-10-16 11:53:13 +03:00

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# Quarkus backend: tasks
Work through the tasks in order; each ends with its tests passing and a commit. Tick a task when it is committed.
- [x] 1. **Spec**: requirements, design and tasks.
- [x] 2. **Project and engine**: Maven project in `apps/backend-quarkus` (Quarkus 3.40, Java 25); the engine port
with unit tests; `scripts/record-engine-games.js` and the parity test (R2).
- [x] 3. **Models, game loop and auth**: the wire types and the shared `ObjectMapper`; `GameLoop`, `Scheduler`,
`ManualScheduler`; `KeycloakTokenVerifier` with unit tests.
- [x] 4. **Game logic**: `GameStore`, `MatchMaker`, `GameClocks`, `GameSerialization`, `GameRecorder`,
`GameManager`, `GameClockScheduler`, `LiveGames`, `PublicIds`, `CrashLog`; the in-memory fakes and the ported
unit tests.
- [x] 5. **Storage**: migrations and their runner, `PostgresGameHistoryRepository`, `GameHistoryService`,
`ValkeyLiveGameStore`, `ValkeyCache`; integration tests with Dev Services.
- [x] 6. **WebSocket and HTTP**: `RtmtServer` with unit tests, `RtmtEndpoint`, the HTTP resources, `Backend`
wiring and startup, configuration; `@QuarkusTest`s for the API and the WebSocket.
- [x] 7. **Replace the Node backend**: move the project to `apps/backend`, Dockerfile, `.dockerignore`, compose,
remove the Node sources; build the image.
- [x] 8. **End to end and docs**: the Chrome tests from `design.md` against the local stack; `README.md`,
`apps/backend/README.md`, `AGENTS.md`, `TODO.md`.