Refactor SEO automation into unified CLI application

Major refactoring to create a clean, integrated CLI application:

### New Features:
- Unified CLI executable (./seo) with simple command structure
- All commands accept optional CSV file arguments
- Auto-detection of latest files when no arguments provided
- Simplified output directory structure (output/ instead of output/reports/)
- Cleaner export filename format (all_posts_YYYY-MM-DD.csv)

### Commands:
- export: Export all posts from WordPress sites
- analyze [csv]: Analyze posts with AI (optional CSV input)
- recategorize [csv]: Recategorize posts with AI
- seo_check: Check SEO quality
- categories: Manage categories across sites
- approve [files]: Review and approve recommendations
- full_pipeline: Run complete workflow
- analytics, gaps, opportunities, report, status

### Changes:
- Moved all scripts to scripts/ directory
- Created config.yaml for configuration
- Updated all scripts to use output/ directory
- Deprecated old seo-cli.py in favor of new ./seo
- Added AGENTS.md and CHANGELOG.md documentation
- Consolidated README.md with updated usage

### Technical:
- Added PyYAML dependency
- Removed hardcoded configuration values
- All scripts now properly integrated
- Better error handling and user feedback

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

config.yaml

@@ -0,0 +1,74 @@
+# Configuration file for WordPress SEO automation tool
+# Contains website settings, authentication, and other configuration values
+# Note: Use environment variables in .env file for sensitive data
+
+# WordPress Sites Configuration
+wordpress_sites:
+  mistergeek.net:
+    url: "https://www.mistergeek.net"
+    username: ""
+    password: ""
+  
+  webscroll.fr:
+    url: "https://www.webscroll.fr"
+    username: ""
+    password: ""
+  
+  hellogeek.net:
+    url: "https://www.hellogeek.net"
+    username: ""
+    password: ""
+
+# Primary WordPress site (fallback)
+primary_site:
+  url: "https://yoursite.com"
+  username: "your_username"
+  password: "your_application_password"
+
+# AI Model Configuration
+ai_model:
+  name: "anthropic/claude-3.5-sonnet"
+  api_endpoint: "https://openrouter.ai/api/v1/chat/completions"
+  api_key: ""
+  temperature: 0.3
+  max_tokens: 1500
+
+# Script Settings
+script_settings:
+  batch_size: 100
+  api_delay_seconds: 0.5
+  timeout: 60
+
+# Analysis Settings
+analysis_settings:
+  min_position: 11
+  max_position: 30
+  min_impressions: 50
+  top_n_posts: 20
+
+# Output Settings
+output_settings:
+  output_dir: "./output"
+  reports_dir: "./output/reports"
+  logs_dir: "./output/logs"
+
+# Category Settings
+category_settings:
+  # Default categories for each site
+  default_categories:
+    mistergeek.net:
+      - "VPN"
+      - "Software/Tools"
+      - "Gaming"
+      - "General Tech"
+      - "SEO"
+      - "Content Marketing"
+    webscroll.fr:
+      - "Torrenting"
+      - "File-Sharing"
+      - "Tracker Guides"
+    hellogeek.net:
+      - "Experimental"
+      - "Low-traffic"
+      - "Off-brand"
+      - "Niche Content"