Add SEO fields to Tasks model, improve content generation response handling, and enhance progress bar animation

- Added primary_keyword, secondary_keywords, tags, and categories fields to Tasks model
- Updated generate_content function to handle full JSON response with all SEO fields
- Improved progress bar animation: smooth 1% increments every 300ms
- Enhanced step detection for content generation vs clustering vs ideas
- Fixed progress modal to show correct messages for each function type
- Added comprehensive logging to Keywords and Tasks pages for AI functions
- Fixed error handling to show meaningful error messages instead of generic failures

cmd/restart-backend.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+# Restart backend containers to pick up code changes
+
+echo "🛑 Stopping backend containers..."
+docker stop igny8_backend igny8_celery_worker igny8_celery_beat
+
+echo "⏳ Waiting 3 seconds..."
+sleep 3
+
+echo "🚀 Starting backend containers..."
+docker start igny8_backend igny8_celery_worker igny8_celery_beat
+
+echo "⏳ Waiting 5 seconds for containers to initialize..."
+sleep 5
+
+echo "📋 Checking container status..."
+docker ps --filter "name=igny8" --format "   {{.Names}} | {{.Status}}"
+
+echo ""
+echo "📝 Checking backend logs for errors..."
+docker logs igny8_backend --tail 20
+