Test Coverage: cli.py (argument parsing & command routing)

[NickCrew]

Module Information

• File: claude_ctx_py/cli.py
• Current Coverage: Minimal (only basic tests exist)
• Target Coverage: 80%+
• Priority: 🔴 High (main entry point)

Functions Needing Tests

• build_parser() - Argument parser construction for all subcommands
• main() - Main entry point with command routing
• All subcommand handlers
• Error handling and exit codes

Test Areas

• ✅ Parser construction (all subcommands)
• ✅ Argument validation
• ✅ Command routing
• ✅ Exit codes
• ✅ Error messages

Acceptance Criteria

• tests/integration/test_cli.py expanded
• All subcommands tested
• 80%+ coverage achieved
• Tests pass in CI/CD