Metadata filtering feature (#75)

* Metadata filtering initial version

* Metadata filtering initial version

* Fixes linter issues

* Cleanup code

* Clean up and readme

* Fix after review

* Use UV in example

* Merge main into feature/metadata-filtering

.gitignore

@@ -95,4 +95,8 @@ tests/__pytest_cache__/
 tests/__pycache__/
 paru-bin/
 
+CLAUDE.md
+CLAUDE.local.md
+.claude/*.local.*
+.claude/local/*
 benchmarks/data/