Feature/Use fastify instead of express (#1)

- Replaced Apollo Server with Mercurius for GraphQL API
- Updated resolvers to use Mercurius-compatible GraphQL implementation
- Migrated from Express to Fastify for server framework
- Improved error handling with GraphQL error extensions
- Added Zod for environment variable validation
- Updated Prisma schema and migrations
- Configured CORS and WebSocket subscriptions
- Simplified GraphQL schema and resolver structure
- Enhanced type safety and code organization
- Replaced Apollo Server with Mercurius for GraphQL API
- Updated resolvers to use Mercurius-compatible GraphQL implementation
- Migrated from Express to Fastify for server framework
- Improved error handling with GraphQL error extensions
- Added Zod for environment variable validation
- Updated Prisma schema and migrations
- Configured CORS and WebSocket subscriptions
- Simplified GraphQL schema and resolver structure
- Enhanced type safety and code organization

Reviewed-on: #1
Co-authored-by: Jusemon <juansmm@outlook.com>
Co-committed-by: Jusemon <juansmm@outlook.com>

apps/web/src/components/room-list.tsx

@@ -79,17 +79,23 @@ export function RoomList(props: RoomListProps) {
   });
 
   // Subscribe to new rooms
-  const [roomAddedSubscription] = createSubscription({
+  const [roomAddedSubscription] = createSubscription<{
+    roomAdded: Room;
+  }>({
     query: ROOM_ADDED_SUBSCRIPTION,
   });
 
   // Subscribe to room updates (when members change)
-  const [roomUpdatedSubscription] = createSubscription({
+  const [roomUpdatedSubscription] = createSubscription<{
+    roomUpdated: Room;
+  }>({
     query: ROOM_UPDATED_SUBSCRIPTION,
   });
 
   // Join room mutation
-  const [joinRoomResult, joinRoom] = createMutation(JOIN_ROOM_MUTATION);
+  const [joinRoomResult, joinRoom] = createMutation<{
+    joinRoom: Room;
+  }>(JOIN_ROOM_MUTATION);
 
   // Load initial rooms
   createEffect(() => {
@@ -150,7 +156,7 @@ export function RoomList(props: RoomListProps) {
         setRooms((prev) =>
           prev.map((room) =>
             room.id === roomId
-              ? { ...room, members: result.data.joinRoom.members }
+              ? { ...room, members: result.data!.joinRoom.members }
               : room
           )
         );