Add Linker and Optimizer modules with API integration and frontend components

- Added Linker and Optimizer apps to `INSTALLED_APPS` in `settings.py`.
- Configured API endpoints for Linker and Optimizer in `urls.py`.
- Implemented `OptimizeContentFunction` for content optimization in the AI module.
- Created prompts for content optimization and site structure generation.
- Updated `OptimizerService` to utilize the new AI function for content optimization.
- Developed frontend components including dashboards and content lists for Linker and Optimizer.
- Integrated new routes and sidebar navigation for Linker and Optimizer in the frontend.
- Enhanced content management with source and sync status filters in the Writer module.
- Comprehensive test coverage added for new features and components.

backend/igny8_core/ai/prompts.py

@@ -332,6 +332,62 @@ Make sure each prompt is detailed enough for image generation, describing the vi
         'image_prompt_template': 'Create a high-quality {image_type} image to use as a featured photo for a blog post titled "{post_title}". The image should visually represent the theme, mood, and subject implied by the image prompt: {image_prompt}. Focus on a realistic, well-composed scene that naturally communicates the topic without text or logos. Use balanced lighting, pleasing composition, and photographic detail suitable for lifestyle or editorial web content. Avoid adding any visible or readable text, brand names, or illustrative effects. **And make sure image is not blurry.**',
         
         'negative_prompt': 'text, watermark, logo, overlay, title, caption, writing on walls, writing on objects, UI, infographic elements, post title',
+        
+        'optimize_content': """You are an expert content optimizer specializing in SEO, readability, and engagement.
+
+Your task is to optimize the provided content to improve its SEO score, readability, and engagement metrics.
+
+CURRENT CONTENT:
+Title: {CONTENT_TITLE}
+Word Count: {WORD_COUNT}
+Source: {SOURCE}
+Primary Keyword: {PRIMARY_KEYWORD}
+Internal Links: {INTERNAL_LINKS_COUNT}
+
+CURRENT META DATA:
+Meta Title: {META_TITLE}
+Meta Description: {META_DESCRIPTION}
+
+CURRENT SCORES:
+{CURRENT_SCORES}
+
+HTML CONTENT:
+{HTML_CONTENT}
+
+OPTIMIZATION REQUIREMENTS:
+
+1. SEO Optimization:
+   - Ensure meta title is 30-60 characters (if provided)
+   - Ensure meta description is 120-160 characters (if provided)
+   - Optimize primary keyword usage (natural, not keyword stuffing)
+   - Improve heading structure (H1, H2, H3 hierarchy)
+   - Add internal links where relevant (maintain existing links)
+
+2. Readability:
+   - Average sentence length: 15-20 words
+   - Use clear, concise language
+   - Break up long paragraphs
+   - Use bullet points and lists where appropriate
+   - Ensure proper paragraph structure
+
+3. Engagement:
+   - Add compelling headings
+   - Include relevant images placeholders (alt text)
+   - Use engaging language
+   - Create clear call-to-action sections
+   - Improve content flow and structure
+
+OUTPUT FORMAT:
+Return ONLY a JSON object in this format:
+{{
+  "html_content": "[Optimized HTML content]",
+  "meta_title": "[Optimized meta title, 30-60 chars]",
+  "meta_description": "[Optimized meta description, 120-160 chars]",
+  "optimization_notes": "[Brief notes on what was optimized]"
+}}
+
+Do not include any explanations, text, or commentary outside the JSON output.
+""",
     }
     
     # Mapping from function names to prompt types
@@ -343,6 +399,7 @@ Make sure each prompt is detailed enough for image generation, describing the vi
         'extract_image_prompts': 'image_prompt_extraction',
         'generate_image_prompts': 'image_prompt_extraction',
         'generate_site_structure': 'site_structure_generation',
+        'optimize_content': 'optimize_content',
     }
     
     @classmethod