feat: Implement password addition email notification

src/lib/identityService.ts

@@ -218,12 +218,40 @@ export async function addPasswordToAccount(
     const { error: updateError } = await supabase.auth.updateUser({ password });
     if (updateError) throw updateError;
     
-    // Step 2: Log the password addition
+    // Step 2: Get user profile for email personalization
+    console.log('[IdentityService] Fetching user profile for email');
+    const { data: profile } = await supabase
+      .from('profiles')
+      .select('display_name, username')
+      .eq('user_id', user!.id)
+      .single();
+    
+    // Step 3: Send password addition email (before logging out)
+    console.log('[IdentityService] Sending password addition email');
+    try {
+      const { error: emailError } = await supabase.functions.invoke('send-password-added-email', {
+        body: {
+          email: userEmail,
+          displayName: profile?.display_name,
+          username: profile?.username,
+        },
+      });
+      
+      if (emailError) {
+        console.error('[IdentityService] Failed to send email:', emailError);
+      } else {
+        console.log('[IdentityService] Email sent successfully');
+      }
+    } catch (emailError) {
+      console.error('[IdentityService] Email sending error:', emailError);
+    }
+    
+    // Step 4: Log the password addition
     await logIdentityChange(user!.id, 'password_added', { 
       method: 'oauth_with_relogin_required' 
     });
     
-    // Step 3: Sign the user out so they can sign back in with email/password
+    // Step 5: Sign the user out so they can sign back in with email/password
     console.log('[IdentityService] Signing user out to force re-login');
     await supabase.auth.signOut();