feat: /api/calendar endpoint (user_posts + scheduled_posts)

index.js

@@ -17,6 +17,7 @@ const settingsRoutes  = require('./src/routes/settings');
 const photoSearchRoutes = require('./src/routes/photo-search');
 const scheduledPostsRoutes = require('./src/routes/scheduledPosts');
 const channelStatsRoutes = require('./src/routes/channelStats');
+const calendarRoutes = require('./src/routes/calendar');
 
 // Start queue worker
 require('./src/workers/generation');
@@ -56,6 +57,7 @@ app.use('/api/settings',   settingsRoutes);
 app.use('/api/photo-search', photoSearchRoutes);
 app.use('/api/scheduled-posts', scheduledPostsRoutes);
 app.use('/api/channel-stats', channelStatsRoutes);
+app.use('/api/calendar', calendarRoutes);
 
 app.get('/health', (req, res) => {
   res.json({ ok: true, service: 'zeropost-engine', time: new Date() });