Fix API token mapping and add extensive debug logging

- Fixed api_token vs mailketing_api_token column mapping
- Added comprehensive debug logging to send-auth-otp
- Added fallback logic for missing settings fields
- Improved error messages for troubleshooting

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

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

supabase/functions/send-auth-otp/index.ts

@@ -44,7 +44,12 @@ serve(async (req: Request) => {
     // Initialize Supabase client with service role
     const supabaseUrl = Deno.env.get('SUPABASE_URL')!;
     const supabaseServiceKey = Deno.env.get('SUPABASE_SERVICE_ROLE_KEY')!;
-    const supabase = createClient(supabaseUrl, supabaseServiceKey);
+    const supabase = createClient(supabaseUrl, supabaseServiceKey, {
+      auth: {
+        autoRefreshToken: false,
+        persistSession: false
+      }
+    });
 
     // Generate OTP code
     const otpCode = generateOTP();
@@ -79,12 +84,16 @@ serve(async (req: Request) => {
     }
 
     // Get email template
+    console.log('Fetching email template with key: auth_email_verification');
+
     const { data: template, error: templateError } = await supabase
       .from('notification_templates')
       .select('*')
       .eq('key', 'auth_email_verification')
       .single();
 
+    console.log('Template query result:', { template, templateError });
+
     if (templateError || !template) {
       console.error('Error fetching email template:', templateError);
       throw new Error('Email template not found. Please create template with key: auth_email_verification');
@@ -123,6 +132,21 @@ serve(async (req: Request) => {
 
     // Send email via send-email-v2
     console.log(`Sending OTP email to ${email}`);
+    console.log('Settings:', {
+      hasMailketingToken: !!settings.mailketing_api_token,
+      hasApiToken: !!settings.api_token,
+      hasFromName: !!settings.from_name,
+      hasFromEmail: !!settings.from_email,
+      platformName: settings.platform_name,
+      allSettings: JSON.stringify(settings)
+    });
+
+    // Use api_token (not mailketing_api_token)
+    const apiToken = settings.api_token || settings.mailketing_api_token;
+
+    if (!apiToken) {
+      throw new Error('API token not found in notification_settings');
+    }
 
     const emailResponse = await fetch(`${supabaseUrl}/functions/v1/send-email-v2`, {
       method: 'POST',
@@ -132,9 +156,9 @@ serve(async (req: Request) => {
       },
       body: JSON.stringify({
         to: email,
-        api_token: settings.mailketing_api_token,
-        from_name: settings.from_name,
-        from_email: settings.from_email,
+        api_token: apiToken,
+        from_name: settings.from_name || settings.platform_name || 'Admin',
+        from_email: settings.from_email || 'noreply@example.com',
         subject: subject,
         html_body: htmlBody,
       }),