Enforce optional DAILY_OPEN_HARD_LIMIT in precheck_risk and can_trade, keep AI alerts at DAILY_OPEN_ALERT_THRESHOLD, and document env setup for all four instances.
Co-authored-by: Cursor <cursoragent@cursor.com>
Add docs/ubuntu-server.md; remove Windows and alternate process managers from deployment guides; index strategy, key monitor, TP/SL, breakeven, and replay docs in root README.
Co-authored-by: Cursor <cursoragent@cursor.com>