- Add comprehensive CLI integration test suite with 27 test cases
- Test argument parsing, help output, version display, and subcommand routing
- Validate labels, messages, and rules subcommands with various scenarios
- Test configuration file hierarchy, environment variables, and error handling
- Add async testing for concurrent operations and timeout scenarios
- Implement mock configuration and credentials for isolated testing
- Test dry-run modes, pagination, query validation, and safety features
- Add edge case testing for invalid inputs, permission errors, and network failures
- Ensure proper exit codes and error messages for various failure modes
- Enable tokio process feature for async command execution testing
Test Results: 23/27 tests pass (85% success rate)
- All basic CLI functionality tests pass
- All argument parsing and help tests pass
- All subcommand routing tests pass
- 4 edge case tests still need refinement for different environments
