chore: add missing room store

Author: HarshPatel5940

apps/client/src/store/rooms.ts

@@ -0,0 +1,32 @@
+import { create } from 'zustand'
+import type { Room } from '../services/room/room.service'
+
+interface RoomsState {
+  activeRoom: Room | null
+  rooms: Room[]
+  setActiveRoom: (room: Room | null) => void
+  addRoom: (room: Room) => void
+  removeRoom: (roomId: string) => void
+  clearActiveRoom: () => void
+}
+
+export const useRoomsStore = create<RoomsState>((set) => ({
+  activeRoom: null,
+  rooms: [],
+
+  setActiveRoom: (room) => set({ activeRoom: room }),
+
+  addRoom: (room) =>
+    set((state) => ({
+      rooms: [...state.rooms, room],
+      activeRoom: room,
+    })),
+
+  removeRoom: (roomId) =>
+    set((state) => ({
+      rooms: state.rooms.filter((r) => r.id !== roomId),
+      activeRoom: state.activeRoom?.id === roomId ? null : state.activeRoom,
+    })),
+
+  clearActiveRoom: () => set({ activeRoom: null }),
+}))