separate database from source data

src/app/module/chat/infra/database/dexie/schema/room.ts

@@ -0,0 +1,19 @@
+import { z } from "zod";
+import { EntityTable } from 'Dexie';
+
+export const RoomTableSchema = z.object({
+  id: z.string(),
+  roomName: z.string(),
+  createdBy: z.object({
+    wxUserId: z.number(),
+    wxFullName: z.string(),
+    wxeMail: z.string().email(),
+    userPhoto: z.string().nullable().optional()// api check
+  }),
+  createdAt: z.any(),
+  expirationDate: z.any().nullable(),
+})
+
+export type RoomTable = z.infer<typeof RoomTableSchema>
+export type DexieRoomsTableSchema = EntityTable<RoomTable, 'id'>;
+export const RoomTableColumn = 'id, createdBy, roomName, roomType, expirationDate, lastMessage'