The Polymarket ws-live-data WebSocket requires `action: "subscribe"` in
the subscribe envelope. Without it the server accepts the connection but
never delivers trade events, causing the tracker to silently produce
zero alerts.
Additionally, incoming frames are shaped `{connection_id, payload:{...}}`
-- they do NOT echo the `topic`/`type` keys we sent. The previous routing
check matched nothing and every real trade was silently dropped.
Changes:
- Add `action: "subscribe"` to subscription message
- Route incoming messages by payload shape (transactionHash + proxyWallet)
- Add ratchet tests for payload routing edge cases
- Rewrite README as agent-first with <2min quickstart
- Add skill draft (docs/skill-tracking-prediction-market-flow.md)
Closes#89
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
pselamy