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

backend/igny8_core/ai/registry.py

@@ -66,5 +66,23 @@ def _load_auto_cluster():
     from igny8_core.ai.functions.auto_cluster import AutoClusterFunction
     return AutoClusterFunction
 
-register_lazy_function('auto_cluster', _load_auto_cluster)
+def _load_generate_ideas():
+    """Lazy loader for generate_ideas function"""
+    from igny8_core.ai.functions.generate_ideas import GenerateIdeasFunction
+    return GenerateIdeasFunction
+
+def _load_generate_content():
+    """Lazy loader for generate_content function"""
+    from igny8_core.ai.functions.generate_content import GenerateContentFunction
+    return GenerateContentFunction
+
+def _load_generate_images():
+    """Lazy loader for generate_images function"""
+    from igny8_core.ai.functions.generate_images import GenerateImagesFunction
+    return GenerateImagesFunction
+
+register_lazy_function('auto_cluster', _load_auto_cluster)
+register_lazy_function('generate_ideas', _load_generate_ideas)
+register_lazy_function('generate_content', _load_generate_content)
+register_lazy_function('generate_images', _load_generate_images)