docs(dev): update test suite metrics after shop API addition

- Update test count from 35 to 38 tests
- Update execution time from ~80 to ~110 seconds
- Reflects addition of shop API test suite

Author: S1M0N38

CLAUDE.md

@@ -60,8 +60,8 @@ pytest -v
    - **JSON metadata errors**: Normal for development files (.vscode, .luarc.json) - can be ignored
 
 4. **Test execution**:
-   - **Test suite**: 35 tests covering API functions and UDP communication
-   - **Execution time**: ~80 seconds (includes game state transitions)
+   - **Test suite**: 38 tests covering API functions and UDP communication
+   - **Execution time**: ~110 seconds (includes game state transitions)
    - **Coverage**: API function calls, socket communication, error handling, edge cases
 
 5. **Troubleshooting test failures**: