WinRacing Ultimate Analysis Center - Knife 1/4

Added:
- analysis.php as the real race-selection main page.
- Per-race AI banker, one-banker-three-legs, Q pair, cold/value leg.
- Full deduplicated horse ranking table with score metrics.
- Cache-first and read-only integration fallback.
- Module links and explicit safety contract.

Safety:
- No DB write.
- No schema change.
- No live-weight mutation.
- No race-result access.
- Existing files retained unchanged.

Test URL:
http://localhost/winRacing/analysis.php?race_date=2026-07-08