add ability to populate slug field

tag-notes.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 """
 Note Tagging and SEO Metadata Script
-Processes markdown notes using a local LLM to add tags and SEO metadata
+Processes markdown notes using a local LLM to add tags, slugs, and SEO metadata
 """
 
 import os
@@ -129,14 +129,36 @@ def process_note(file_path, taxonomy):
         existing_tags = []
     
     needs_tags = not existing_tags
+    needs_slug = not frontmatter.get('slug')
     needs_seo_title = not frontmatter.get('seo-title')
     needs_seo_desc = not frontmatter.get('seo-description')
     needs_seo_keywords = not frontmatter.get('seo-keywords')
     
-    if not (needs_tags or needs_seo_title or needs_seo_desc or needs_seo_keywords):
+    if not (needs_tags or needs_slug or needs_seo_title or needs_seo_desc or needs_seo_keywords):
         print(f"  ✓ All fields already populated, skipping")
         return
     
+    updated = False
+    
+    # Generate slug from filename if needed
+    if needs_slug:
+        # Get filename without extension
+        filename = Path(file_path).stem
+        # Convert to lowercase and replace spaces with hyphens
+        slug = filename.lower().replace(' ', '-')
+        frontmatter['slug'] = slug
+        print(f"  + Added slug: {slug}")
+        updated = True
+    
+    # Only call LLM if we need tags or SEO fields
+    if not (needs_tags or needs_seo_title or needs_seo_desc or needs_seo_keywords):
+        # Only needed slug, we're done
+        new_content = reconstruct_markdown(frontmatter, body)
+        with open(file_path, 'w', encoding='utf-8') as f:
+            f.write(new_content)
+        print(f"  ✓ Updated successfully")
+        return
+    
     # Call LLM
     llm_response = call_llm(None, body[:20000], taxonomy)  # Limit content to first 20000 chars
     
@@ -145,7 +167,6 @@ def process_note(file_path, taxonomy):
         return
     
     # Update frontmatter with new values (only if empty)
-    updated = False
     
     if needs_tags:
         # Combine taxonomy tags and new suggestions
@@ -232,4 +253,4 @@ def main():
     print("\n✓ Processing complete!")
 
 if __name__ == "__main__":
-    main()
+    main()