Migrate dev server from MongoDB to SQLite

- Replace mongooseAdapter with sqliteAdapter in payload config
- Update database configuration to use file:./dev.db
- Remove MongoDB memory database helper and references
- Simplify start script by removing verbose logging and MongoDB messaging
- Fix email processing with immediate send support and proper queue handling
- Restructure app with route groups for frontend/admin separation
- Add dashboard and test pages for email management
- Update API routes for improved email processing and testing

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/jobs/processEmailsTask.ts

@@ -19,17 +19,8 @@ export const processEmailsTaskHandler = async (
   const { req } = context
   const payload = (req as any).payload
 
-  try {
-    console.log('🔄 Processing email queue (pending + failed emails)...')
-
-    // Use the shared email processing logic
-    await processAllEmails(payload)
-
-    console.log('✅ Email queue processing completed successfully')
-  } catch (error) {
-    console.error('❌ Email queue processing failed:', error)
-    throw error
-  }
+  // Use the shared email processing logic
+  await processAllEmails(payload)
 }
 
 /**
@@ -90,4 +81,4 @@ export const scheduleEmailsJob = async (
   } catch (error) {
     console.error('Failed to schedule email processing job:', error)
   }
-}
+}