feat: add backup recommendations and update backup strategy UI

- Introduced new backup recommendations feature with interfaces for recommended storage providers.
- Updated i18n translations for backup strategy to reflect new terminology and improved descriptions.
- Enhanced types with optional private and public keys in user profiles.
- Redesigned backup-related styles for better layout and responsiveness.
- Updated TypeScript configuration to include shared modules.
- Configured Vite to resolve shared modules and allow filesystem access.
- Added cron triggers for periodic tasks in Wrangler configuration.

src/index.ts

@@ -3,6 +3,7 @@ import { NotificationsHub } from './durable/notifications-hub';
 import { handleRequest } from './router';
 import { StorageService } from './services/storage';
 import { applyCors, jsonResponse } from './utils/response';
+import { runScheduledBackupIfDue, seedDefaultBackupSettings } from './handlers/backup';
 
 let dbInitialized = false;
 let dbInitError: string | null = null;
@@ -15,6 +16,7 @@ async function ensureDatabaseInitialized(env: Env): Promise<void> {
     dbInitPromise = (async () => {
       const storage = new StorageService(env.DB);
       await storage.initializeDatabase();
+      await seedDefaultBackupSettings(env);
       dbInitialized = true;
       dbInitError = null;
     })()
@@ -54,6 +56,18 @@ export default {
     const resp = await handleRequest(request, env);
     return applyCors(request, resp);
   },
+
+  async scheduled(controller: ScheduledController, env: Env, ctx: ExecutionContext): Promise<void> {
+    void controller;
+    await ensureDatabaseInitialized(env);
+    if (dbInitError) {
+      console.error('Skipping scheduled backup because DB init failed:', dbInitError);
+      return;
+    }
+    ctx.waitUntil(runScheduledBackupIfDue(env).catch((error) => {
+      console.error('Scheduled backup failed:', error);
+    }));
+  },
 };
 
 export { NotificationsHub };