dbde651a2a
- Upgrade tree-sitter to 0.22.4 with compatible grammar versions - Add Python support via tree-sitter-python@0.23.6 - Add Go support via tree-sitter-go@0.23.4 - Extract class hierarchies with method signatures (params, returns) - Extract call graphs including external library calls - Extract exception raises (ValueError, Error, etc) - Extract top-level functions with full signatures - Encode rich AST data into compact markdown format: class:Name, method:name(params)→return, call:..., raise:... - Deduplicate nested call chains (db.query vs db.query().where()) - Filter out simple export names when rich func/class entries exist - All 55 tests passing