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

agents/junior-ae/logs/jae-v4-20260330.log

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+[00:56:52] === JAE v4 Starting - Auto-Temperature Detection ===
+[00:56:53] Fetched 200 notes
+[00:56:53] === Done: 0 processed, 0 upgraded ===
+[00:56:53] Waiting 3 hours...
+[03:56:51] === JAE v4 Starting - Auto-Temperature Detection ===
+[03:56:51] Fetched 200 notes
+[03:56:51] === Done: 0 processed, 0 upgraded ===
+[03:56:51] Waiting 3 hours...
+[06:56:51] === JAE v4 Starting - Auto-Temperature Detection ===
+[06:56:52] Fetched 200 notes
+[06:56:52] === Done: 0 processed, 0 upgraded ===
+[06:56:52] Waiting 3 hours...
+[09:56:56] === JAE v4 Starting - Auto-Temperature Detection ===
+[09:56:56] Fetched 200 notes
+[09:56:56] === Done: 0 processed, 0 upgraded ===
+[09:56:56] Waiting 3 hours...
+[12:56:52] === JAE v4 Starting - Auto-Temperature Detection ===
+[12:56:52] Fetched 200 notes
+[12:56:52] === Done: 0 processed, 0 upgraded ===
+[12:56:52] Waiting 3 hours...
+[15:56:53] === JAE v4 Starting - Auto-Temperature Detection ===
+[15:56:53] Fetched 200 notes
+[15:56:53] === Done: 0 processed, 0 upgraded ===
+[15:56:53] Waiting 3 hours...
+[18:56:53] === JAE v4 Starting - Auto-Temperature Detection ===
+[18:56:54] Fetched 200 notes
+[18:56:54] === Done: 0 processed, 0 upgraded ===
+[18:56:54] Waiting 3 hours...
+[21:56:57] === JAE v4 Starting - Auto-Temperature Detection ===
+[21:56:58] Fetched 200 notes
+[21:56:58] === Done: 0 processed, 0 upgraded ===
+[21:56:58] Waiting 3 hours...