feat: Add Chatwoot Agent Bot prototype and FAQ knowledge base

- Created chatwoot-agent-bot/ with Node.js webhook server
- Bot detects intent (greeting, billing, technical, features, account)
- Auto-responds from FAQ knowledge base or escalates to human
- FAQ-KB.md: Living knowledge base that grows with customer questions
- CHATWOOT-SETUP.md: Complete deployment and configuration guide
- Supports Telegram notifications on escalation
- Bot runs on port 3001, ready for Chatwoot webhook integration

HEARTBEAT.md

@@ -0,0 +1,14 @@
+# HEARTBEAT.md
+
+## Self-Improving Check
+- Read `/Users/claw/.openclaw/workspace/skills/self-improving/heartbeat-rules.md`
+- Use `~/self-improving/heartbeat-state.md` for last-run markers and action notes
+- If no file inside `~/self-improving/` changed since the last reviewed change, return `HEARTBEAT_OK`
+
+## Sales Lead Monitor
+- Check `/Users/claw/.openclaw/workspace/agents/sales-lead/cron.log` for last run status
+- Verify state file is updating correctly
+
+## Marketing Content
+- Check `/Users/claw/.openclaw/workspace/agents/marketing-content/cron.log` for last run
+- Review new content produced since last check