Implement the main CLI entry point for the Polymarket Insider Tracker.
Features:
- argparse-based CLI with version, config-check, dry-run, log-level flags
- Structured logging configuration with multiple formatters
- Configuration validation with friendly error messages
- Startup banner display
- Config check mode for validation without running
- Integration with Pipeline orchestrator
Tests: 20 new tests covering parser, logging, banner, config validation,
and integration scenarios.
Closes#55🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Patrick Selamy