refactor(paths): v3 design - explicit initialize_paths + frozen PathsConfig singleton

tests/test_project_paths.py

@@ -7,13 +7,13 @@ from src import paths
 from src import project_manager
 
 def test_get_conductor_dir_default():
- paths.reset_resolved()
+ paths.reset_paths()
  # Should return absolute path to "conductor" in project root
  expected = Path(__file__).resolve().parent.parent / "conductor"
  assert paths.get_conductor_dir() == expected
 
 def test_get_conductor_dir_project_specific_with_toml(tmp_path):
- paths.reset_resolved()
+ paths.reset_paths()
  project_root = tmp_path / "my_project"
  project_root.mkdir()
  
@@ -31,7 +31,7 @@ def test_get_conductor_dir_project_specific_with_toml(tmp_path):
  assert res == project_root / "custom_tracks"
 
 def test_get_all_tracks_project_specific(tmp_path):
- paths.reset_resolved()
+ paths.reset_paths()
  project_root = tmp_path / "my_project"
  project_root.mkdir()