Initial commit: CRM AI Demo bridge + KB knowledge base + infrastructure

- Bridge server with LLM agent tool-use (search_kb, search_products, search_orders, search_inventory, escalate_human)
- pgvector RAG knowledge base (95 FAQ chunks)
- Auto opportunity creation in Twenty CRM
- Auto follow-up task workflow
- Chatwoot AgentBot integration (HMAC, webhook)
- Docker compose infrastructure (PG18, Redis 8.8, node24-alpine)
- Configuration templates (example files) - real secrets excluded via .gitignore

bridge/llm.config.example.json

@@ -0,0 +1,13 @@
+{
+  "providers": {
+    "aliyun": {
+      "id": "aliyun",
+      "displayName": "aliyun",
+      "type": "openai",
+      "baseUrl": "https://dashscope.aliyuncs.com/compatible-mode/v1",
+      "apiKey": "YOUR_DASHSCOPE_API_KEY",
+      "model": "qwen-plus-latest",
+      "enableThinking": false
+    }
+  }
+}