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

.gitignore

@@ -0,0 +1,35 @@
+# 敏感配置文件（含 API keys / tokens / secrets）
+bridge/chatwoot.config.json
+bridge/llm.config.json
+bridge/twenty.config.json
+bridge/kb.config.json
+chatwoot/.env
+twenty/packages/twenty-docker/.env
+docker-compose.yml
+
+# 外部源码目录
+chatwoot/
+twenty/
+
+# 运行时生成
+public/vite-dev/
+public/widget-assets/
+public/packs/
+runtime/
+tmp/
+log/
+
+# 依赖
+node_modules/
+vendor/
+.gems/
+
+# 测试/临时文件
+mock_eta.js
+mock_services.js
+gen_apikey.js
+add_note.js
+find_keys.js
+create_workflow.js
+*.bak
+*.log