Add non-custodial manual trade tickets

REAL_MONEY_ROADMAP.md

@@ -10,6 +10,9 @@ wallet, your own money, manual approval, and audit logging.
 - `/api/live` reports which live-money providers are configured or missing.
 - `/api/live` accepts public order intents only as dry-runs and returns an
   audit event. Personal-mode intents are staged for manual review, not executed.
+- `/api/trade-tickets` stores non-custodial manual trade tickets. These tickets
+  contain the market, side, amount, limit, rationale, Polymarket link, and
+  review instructions, but never a private key or signed order.
 - `/api/accounts` creates, logs into, and saves password-backed paper accounts
   through Vercel Blob storage.
 - `/api/config` exposes safe public provider configuration, including the
@@ -44,6 +47,8 @@ Personal mode is narrower than the public business launch:
 - No unattended agent trading.
 - Every live trade starts as a staged manual intent and must be reviewed before
   you do anything in Polymarket.
+- Trade execution happens outside Poly Arena through your own Polymarket wallet
+  or UI. Poly Arena remains the analyst/ticketing layer.
 - Public `LIVE_TRADING_ENABLED` stays `false`.
 
 Personal mode still needs: