- Extract _parse_candidates helper in _client.py (used by get_candidates and optimize_with_line_profiler)
- Parameterize URL resolution in _http.py (_resolve_url_from_env replaces two near-identical functions)
- Delegate get_repo_owner_and_name to parse_repo_owner_and_name in _git.py
- Simplify _par_apply_fns to delegate to _apply_fns in danom/stream.py
- Remove duplicate performance_gain from _verification.py (use codeflash_core's version)
- Extract _extract_pytest_error helper in _verification.py (replaces duplicated 6-line block)
- Consolidate collect_names_from_annotation into collect_type_names_from_annotation in _ast_helpers.py
- Add ast.Attribute handling and relax BinOp guard in collect_type_names_from_annotation
- Add unit tests for all extracted helpers
