refactor: address PR review comments (#203)

- Rename test method for clarity: test_skip_operation -> test_skip_test_operation
- Simplify test class name: TestIssue203SaveFingerprintTestPromptHash -> TestIssue203TestPromptHashManagement
- Consolidate duplicate read_fingerprint imports in _save_fingerprint_atomic

Author: Enfoirer

pdd/sync_orchestration.py

@@ -196,10 +196,13 @@ def _save_fingerprint_atomic(basename: str, language: str, operation: str,
         model: The model used.
         atomic_state: Optional AtomicStateUpdate for atomic writes (Issue #159 fix).
     """
+    # Issue #203: Import read_fingerprint once for both branches
+    from .sync_determine_operation import read_fingerprint
+
     if atomic_state:
         # Buffer for atomic write
         from datetime import datetime, timezone
-        from .sync_determine_operation import calculate_current_hashes, Fingerprint, read_fingerprint
+        from .sync_determine_operation import calculate_current_hashes, Fingerprint
         from . import __version__
 
         current_hashes = calculate_current_hashes(paths)
@@ -236,8 +239,7 @@ def _save_fingerprint_atomic(basename: str, language: str, operation: str,
     else:
         # Direct write using operation_log
         # Issue #203: Preserve test_prompt_hash from existing fingerprint for skip operations
-        from .sync_determine_operation import read_fingerprint as read_fp
-        existing_fp = read_fp(basename, language)
+        existing_fp = read_fingerprint(basename, language)
         existing_test_prompt_hash = existing_fp.test_prompt_hash if existing_fp else None
         save_fingerprint(basename, language, operation, paths, cost, model,
                         test_prompt_hash=existing_test_prompt_hash)

tests/test_operation_log.py

@@ -630,7 +630,7 @@ def test_fingerprint_hash_compatibility_with_sync(tmp_path):
 # ISSUE #203: test_prompt_hash auto-management in save_fingerprint
 # --------------------------------------------------------------------------------
 
-class TestIssue203SaveFingerprintTestPromptHash:
+class TestIssue203TestPromptHashManagement:
     """Test that save_fingerprint automatically manages test_prompt_hash based on operation type."""
 
     def test_generate_operation_sets_test_prompt_hash_to_none(self, tmp_path):

tests/test_sync_orchestration.py

@@ -4770,10 +4770,10 @@ def test_generate_then_test_workflow(self, tmp_path, monkeypatch):
         fp_data3 = mock_atomic3.set_fingerprint.call_args[0][0]
         assert fp_data3['test_prompt_hash'] == new_prompt_hash  # Now linked to new prompt
 
-    def test_skip_operation_preserves_test_prompt_hash_without_atomic_state(self, tmp_path, monkeypatch):
+    def test_skip_test_operation_preserves_test_prompt_hash_without_atomic_state(self, tmp_path, monkeypatch):
         """
-        Issue #203 edge case: Skip operations (without atomic_state) should preserve
-        existing test_prompt_hash instead of losing it.
+        Issue #203 edge case: Skip-prefixed operations (like skip:test, without atomic_state)
+        should preserve existing test_prompt_hash instead of losing it.
         """
         import json
         from pdd.sync_orchestration import _save_fingerprint_atomic, META_DIR