notification system implemented

need refinements

packages/database/src/schema.ts

@@ -22,6 +22,8 @@ export const users = sqliteTable(
       .default("client"),
     phone: text("phone"),
     gymId: text("gym_id"), // FK reference added after gyms table
+    expoPushToken: text("expo_push_token"), // For push notifications
+    deviceType: text("device_type", { enum: ["ios", "android"] }), // Device platform
     createdAt: integer("created_at", { mode: "timestamp" })
       .notNull()
       .$defaultFn(() => new Date()),
@@ -33,6 +35,9 @@ export const users = sqliteTable(
     emailIdx: index("users_email_idx").on(table.email),
     gymIdIdx: index("users_gym_id_idx").on(table.gymId),
     roleIdx: index("users_role_idx").on(table.role),
+    expoPushTokenIdx: index("users_expo_push_token_idx").on(
+      table.expoPushToken,
+    ),
   }),
 );