Fix brand theme application and add comprehensive translations

- Fixed theme not being reflected on gallery and admin login pages
- Created GlobalThemeProvider to apply themes globally
- Updated gallery and admin login pages to use dynamic CSS variables
- Added complete translations for all admin sections in English and German:
  - Notifications management
  - Event view and creation
  - Photo upload functionality
  - Category management
  - Archive page view
  - Analytics dashboard
  - Branding and theme settings
  - System settings
  - CMS page management
  - Email configuration
- Fixed admin photo management display issues
- Fixed photo upload category assignment
- Added password reset functionality for galleries
- Improved error handling and user feedback

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

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

backend/migrations/007_add_read_at_to_activity_logs.js

@@ -0,0 +1,15 @@
+exports.up = async function(knex) {
+  // Add read_at column to activity_logs table
+  const hasReadAt = await knex.schema.hasColumn('activity_logs', 'read_at');
+  if (!hasReadAt) {
+    await knex.schema.table('activity_logs', (table) => {
+      table.datetime('read_at').nullable();
+    });
+  }
+};
+
+exports.down = async function(knex) {
+  await knex.schema.table('activity_logs', (table) => {
+    table.dropColumn('read_at');
+  });
+};

backend/migrations/run-migrations.js

@@ -28,7 +28,7 @@ async function runMigration(filename) {
   
   if (migration.up) {
     console.log(`Running migration: ${filename}`);
-    await migration.up();
+    await migration.up(db);
     await db('migrations').insert({ filename });
     console.log(`Migration ${filename} completed`);
   }
@@ -39,13 +39,12 @@ async function runMigrations() {
   try {
     console.log('Starting database migrations...');
     
-    // First run the init.js if it exists
-    const initPath = path.join(__dirname, 'init.js');
-    if (require.resolve(initPath)) {
-      console.log('Running initial setup...');
-      require(initPath);
-      // Wait a bit for init to complete
-      await new Promise(resolve => setTimeout(resolve, 2000));
+    // First run the init.js if it exists but only if migrations table doesn't exist
+    const tableExists = await db.schema.hasTable('migrations');
+    if (!tableExists) {
+      const { initializeDatabase } = require('../src/database/db');
+      console.log('Running initial database setup...');
+      await initializeDatabase();
     }
     
     // Create migrations table