feat: Index Migrator

.gitignore

@@ -237,3 +237,4 @@ tests/data
 
 # Local working directory (personal scripts, docs, tools)
 local/
+local_docs/

CLAUDE.md

@@ -48,6 +48,9 @@ index = SearchIndex(schema, redis_url="redis://localhost:6379")
   token.strip().strip(",").replace(""", "").replace(""", "").lower()
   ```
 
+### Protected Directories
+**CRITICAL**: NEVER delete the `local_docs/` directory or any files within it.
+
 ### Git Operations
 **CRITICAL**: NEVER use `git push` or attempt to push to remote repositories. The user will handle all git push operations.