fix(yaml): correctly quote description fields in skills registry

scripts/fix_yaml_quotes.py

@@ -0,0 +1,63 @@
+import os
+import re
+import json
+
+def fix_yaml_quotes(skills_dir):
+    print(f"Scanning for YAML quoting errors in {skills_dir}...")
+    fixed_count = 0
+    
+    for root, dirs, files in os.walk(skills_dir):
+        dirs[:] = [d for d in dirs if not d.startswith('.')]
+        if 'SKILL.md' in files:
+            file_path = os.path.join(root, 'SKILL.md')
+            try:
+                with open(file_path, 'r', encoding='utf-8') as f:
+                    content = f.read()
+            except Exception:
+                continue
+
+            fm_match = re.search(r'^---\s*\n(.*?)\n---', content, re.DOTALL)
+            if not fm_match:
+                continue
+                
+            fm_text = fm_match.group(1)
+            new_fm_lines = []
+            changed = False
+            
+            for line in fm_text.split('\n'):
+                if line.startswith('description:'):
+                    key, val = line.split(':', 1)
+                    val = val.strip()
+                    
+                    # Store original to check if it matches the fixed version
+                    orig_val = val
+                    
+                    # Strip matching outer quotes if they exist
+                    if val.startswith('"') and val.endswith('"') and len(val) >= 2:
+                        val = val[1:-1]
+                    elif val.startswith("'") and val.endswith("'") and len(val) >= 2:
+                        val = val[1:-1]
+                        
+                    # Now safely encode using JSON to handle internal escapes
+                    safe_val = json.dumps(val)
+                    
+                    if safe_val != orig_val:
+                        new_line = f"description: {safe_val}"
+                        new_fm_lines.append(new_line)
+                        changed = True
+                        continue
+                new_fm_lines.append(line)
+                
+            if changed:
+                new_fm_text = '\n'.join(new_fm_lines)
+                new_content = content[:fm_match.start(1)] + new_fm_text + content[fm_match.end(1):]
+                with open(file_path, 'w', encoding='utf-8') as f:
+                    f.write(new_content)
+                print(f"Fixed quotes in {os.path.relpath(file_path, skills_dir)}")
+                fixed_count += 1
+                
+    print(f"Total files fixed: {fixed_count}")
+
+if __name__ == '__main__':
+    base_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+    fix_yaml_quotes(os.path.join(base_dir, 'skills'))