fix: resolve multiple production issues

- Fix archive page showing "00" instead of "0" for empty photo counts
- Fix email queue PostgreSQL "updated_at" column error with migration and fallback
- Fix storage calculation discrepancies between system status and archive pages
- Add proper storage info to system status endpoint
- Fix archive path concatenation in settings endpoint

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

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

backend/scripts/fix-email-queue-schema.js

@@ -0,0 +1,99 @@
+#!/usr/bin/env node
+
+/**
+ * Script to diagnose and fix email_queue schema issues
+ * This helps resolve the "column updated_at does not exist" error
+ */
+
+require('dotenv').config();
+const { db } = require('../src/database/db');
+
+async function checkAndFixEmailQueueSchema() {
+  console.log('Checking email_queue table schema...');
+  
+  try {
+    // Get column information
+    const columns = await db('email_queue').columnInfo();
+    console.log('\nCurrent email_queue columns:', Object.keys(columns));
+    
+    // Check for updated_at column
+    if (columns.updated_at) {
+      console.log('\n⚠️  Found unexpected updated_at column in email_queue table!');
+      console.log('This column should not exist and is causing errors.');
+      
+      // Ask for confirmation before removing
+      console.log('\nRemoving updated_at column...');
+      await db.schema.table('email_queue', (table) => {
+        table.dropColumn('updated_at');
+      });
+      console.log('✅ Removed updated_at column from email_queue table');
+    } else {
+      console.log('✅ No updated_at column found (this is correct)');
+    }
+    
+    // Verify required columns exist
+    const requiredColumns = [
+      'id', 'event_id', 'recipient_email', 'email_type', 
+      'email_data', 'status', 'scheduled_at', 'sent_at', 
+      'error_message', 'retry_count', 'created_at'
+    ];
+    
+    const missingColumns = requiredColumns.filter(col => !columns[col]);
+    if (missingColumns.length > 0) {
+      console.log('\n⚠️  Missing required columns:', missingColumns);
+    } else {
+      console.log('✅ All required columns are present');
+    }
+    
+    // Check for any database triggers
+    if (process.env.DATABASE_CLIENT === 'pg') {
+      console.log('\nChecking for PostgreSQL triggers on email_queue...');
+      const triggers = await db.raw(`
+        SELECT trigger_name, event_manipulation, action_statement
+        FROM information_schema.triggers
+        WHERE event_object_table = 'email_queue'
+        AND trigger_schema = current_schema()
+      `);
+      
+      if (triggers.rows && triggers.rows.length > 0) {
+        console.log('⚠️  Found triggers on email_queue table:');
+        triggers.rows.forEach(trigger => {
+          console.log(`  - ${trigger.trigger_name} (${trigger.event_manipulation})`);
+        });
+      } else {
+        console.log('✅ No triggers found on email_queue table');
+      }
+    }
+    
+    // Test update query
+    console.log('\nTesting update query...');
+    const testEmail = await db('email_queue')
+      .where('status', 'pending')
+      .first();
+    
+    if (testEmail) {
+      try {
+        await db('email_queue')
+          .where('id', testEmail.id)
+          .update({
+            retry_count: testEmail.retry_count
+          });
+        console.log('✅ Update query works correctly');
+      } catch (error) {
+        console.log('❌ Update query failed:', error.message);
+      }
+    } else {
+      console.log('ℹ️  No pending emails to test with');
+    }
+    
+    console.log('\nSchema check complete!');
+    
+  } catch (error) {
+    console.error('Error checking schema:', error);
+  } finally {
+    await db.destroy();
+  }
+}
+
+// Run the check
+checkAndFixEmailQueueSchema();