Add enhanced analysis with selective field analysis and category proposer

New Features:
- Selective field analysis: Choose which fields to analyze (title, meta_description, categories, site)
- In-place CSV updates: Update input CSV with new columns (automatic backup created)
- Category proposer: Dedicated command for AI-powered category suggestions

New Commands:
- seo analyze -f title categories: Analyze specific fields only
- seo analyze -u: Update input CSV with recommendations
- seo category_propose: Propose categories based on content

New Scripts:
- enhanced_analyzer.py: Enhanced AI analyzer with selective analysis
- category_proposer.py: Dedicated category proposal tool

CLI Options:
- --fields, -f: Specify fields to analyze
- --update, -u: Update input CSV (creates backup)
- --output, -o: Custom output file path

Output Columns:
- proposed_title, title_reason (for title analysis)
- proposed_meta_description, meta_reason (for meta analysis)
- proposed_category, category_reason (for category analysis)
- proposed_site, site_reason (for site analysis)
- ai_confidence, ai_priority (common to all)

Documentation:
- ENHANCED_ANALYSIS_GUIDE.md: Complete guide with examples

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

src/seo/cli.py

@@ -41,6 +41,11 @@ Examples:
     parser.add_argument('--verbose', '-v', action='store_true', help='Verbose output')
     parser.add_argument('--dry-run', action='store_true', help='Show what would be done')
     parser.add_argument('--top-n', type=int, default=10, help='Number of top posts for AI analysis')
+    parser.add_argument('--fields', '-f', nargs='+', 
+                       choices=['title', 'meta_description', 'categories', 'site'],
+                       help='Fields to analyze (for analyze command)')
+    parser.add_argument('--update', '-u', action='store_true', help='Update input file (creates backup)')
+    parser.add_argument('--output', '-o', help='Output file path')
 
     args = parser.parse_args()
 
@@ -65,6 +70,7 @@ Examples:
         'recategorize': cmd_recategorize,
         'seo_check': cmd_seo_check,
         'categories': cmd_categories,
+        'category_propose': cmd_category_propose,
         'approve': cmd_approve,
         'full_pipeline': cmd_full_pipeline,
         'status': cmd_status,
@@ -110,7 +116,33 @@ def cmd_analyze(app, args):
         return 0
     
     csv_file = args.args[0] if args.args else None
-    app.analyze(csv_file)
+    
+    # Use enhanced analyzer if fields are specified or update flag is set
+    if args.fields or args.update:
+        from pathlib import Path
+        import sys
+        scripts_dir = Path(__file__).parent.parent.parent / 'scripts'
+        sys.path.insert(0, str(scripts_dir))
+        
+        from enhanced_analyzer import EnhancedPostAnalyzer
+        
+        if not csv_file:
+            csv_file = app._find_latest_export()
+        
+        if not csv_file:
+            print("❌ No CSV file found. Provide one or run export first.")
+            return 1
+        
+        print(f"Using enhanced analyzer with fields: {args.fields or 'all'}")
+        analyzer = EnhancedPostAnalyzer(csv_file, analyze_fields=args.fields)
+        output_file = analyzer.run(
+            output_file=args.output,
+            update_input=args.update
+        )
+        print(f"✅ Analysis completed! Results: {output_file}")
+    else:
+        app.analyze(csv_file)
+    
     return 0
 
 
@@ -145,6 +177,37 @@ def cmd_categories(app, args):
     return 0
 
 
+def cmd_category_propose(app, args):
+    """Propose categories for posts."""
+    if args.dry_run:
+        print("Would propose categories for posts using AI")
+        return 0
+    
+    csv_file = args.args[0] if args.args else None
+    
+    if not csv_file:
+        csv_file = app._find_latest_export()
+    
+    if not csv_file:
+        print("❌ No CSV file found. Provide one or run export first.")
+        print("   Usage: seo category_propose <csv_file>")
+        return 1
+    
+    from pathlib import Path
+    import sys
+    scripts_dir = Path(__file__).parent.parent.parent / 'scripts'
+    sys.path.insert(0, str(scripts_dir))
+    
+    from category_proposer import CategoryProposer
+    
+    print(f"Proposing categories for: {csv_file}")
+    proposer = CategoryProposer(csv_file)
+    output_file = proposer.run(output_file=args.output)
+    
+    print(f"✅ Category proposals saved to: {output_file}")
+    return 0
+
+
 def cmd_approve(app, args):
     """Approve recommendations."""
     if args.dry_run:
@@ -192,10 +255,13 @@ SEO Automation CLI - Available Commands
 
 Basic Commands:
   export                    Export all posts from WordPress sites
-  analyze [csv_file]        Analyze posts with AI (optional CSV input)
-  recategorize [csv_file]   Recategorize posts with AI (optional CSV input)
+  analyze [csv_file]        Analyze posts with AI
+  analyze -f title categories  Analyze specific fields only
+  analyze -u                Update input CSV with new columns
+  recategorize [csv_file]   Recategorize posts with AI
   seo_check                 Check SEO quality of titles/descriptions
-  categories                Manage categories across all sites
+  categories                Manage categories across sites
+  category_propose [csv]    Propose categories based on content
   approve [files...]        Review and approve recommendations
   full_pipeline             Run complete workflow: export → analyze → seo_check
 
@@ -207,12 +273,18 @@ Options:
   --verbose, -v             Enable verbose logging
   --dry-run                 Show what would be done without doing it
   --top-n N                 Number of top posts for AI analysis (default: 10)
+  --fields, -f              Fields to analyze: title, meta_description, categories, site
+  --update, -u              Update input CSV file (creates backup)
+  --output, -o              Output file path
 
 Examples:
   seo export
   seo analyze
   seo analyze output/all_posts_2026-02-16.csv
-  seo approve output/category_assignments_*.csv
+  seo analyze -f title categories
+  seo analyze -u -f meta_description
+  seo category_propose
+  seo approve output/category_proposals_*.csv
   seo full_pipeline
   seo status
     """)