feat: implement game API with TRPC and Redis transport

- Added GameApiConfig interface and configuration resolver from environment variables.
- Created GameApiContext for managing database and transport dependencies.
- Implemented InMemoryTurnDaemonTransport for testing purposes.
- Developed RedisTurnDaemonTransport for command and status handling via Redis streams.
- Defined TurnDaemonStreamKeys for namespacing Redis streams by profile.
- Established TRPC router with endpoints for health check, world state retrieval, and turn daemon commands (run, pause, resume, status).
- Integrated Fastify server with TRPC and Redis transport.
- Added unit tests for router functionality and stream key generation.
- Configured Vitest for testing environment.

app/game-api/src/daemon/streamKeys.ts

@@ -0,0 +1,11 @@
+export interface TurnDaemonStreamKeys {
+    commandStream: string;
+    eventStream: string;
+}
+
+export const buildTurnDaemonStreamKeys = (profileName: string): TurnDaemonStreamKeys => {
+    return {
+        commandStream: `sammo:${profileName}:turn-daemon:commands`,
+        eventStream: `sammo:${profileName}:turn-daemon:events`,
+    };
+};