feat: 微信公众号技能包重命名(weixin_public_account)并增强功能

- 将 wechat_official_account 重命名为 weixin_public_account，符合中文命名规范
- 新增 DOCX 文档生成技能、聊天历史、请求 ID 中间件
- 增强工作流、热点服务、文章服务等模块功能
- 前端同步重命名组件和 API
- 新增架构文档 AR13/AR14、专员文档更新
- 补充测试用例(seed_specialists_test, db_migration_test)

Co-Authored-AI: yes

eai_agentplatform/backend-go/config/ai_config.json

@@ -1,40 +1,32 @@
 {
   "agent_routes": {
-    "embed_gen": "embed_route_openrouter_text_v3",
+    "embed_gen": "embed_route_llamacpp_nomic",
     "image_gen": "image_route_openrouter_gpt_image_2",
-    "path_coach": "chat_route_lmuai_deepseek_flash",
-    "title_gen": "chat_route_lmuai_deepseek_flash"
+    "video_gen": "video_route_openrouter_veo_3",
+    "path_coach": "chat_route_lmuai_deepseek_v4_flash",
+    "title_gen": "chat_route_lmuai_deepseek_v4_flash"
   },
   "chat_routes": {
-    "chat_route_lmuai_deepseek_flash": {
+    "chat_route_lmuai_deepseek_v4_flash": {
       "description": "LMUAI / DeepSeek Flash",
       "endpoint": "/chat/completions",
       "max_tokens": 4096,
-      "model": "deepseek-flash",
+      "model": "deepseek-v4-flash",
       "provider": "lmuai",
-      "short_model_name": "DeepSeek Flash",
-      "short_route_name": "LMUAI",
-      "temperature": 0.7
-    },
-    "chat_route_siliconflow_deepseek_v4_flash": {
-      "description": "SiliconFlow / DeepSeek V4 Flash",
-      "endpoint": "/chat/completions",
-      "max_tokens": 4096,
-      "model": "deepseek-ai/DeepSeek-V4-Flash",
-      "provider": "siliconflow",
       "short_model_name": "DeepSeek V4 Flash",
-      "short_route_name": "SiliconFlow",
+      "short_route_name": "LMUAI",
       "temperature": 0.7
     },
     "chat_route_ollama_qwen": {
       "description": "本地对话 · llama.cpp / Qwen3.5 4B",
       "endpoint": "/chat/completions",
-      "max_tokens": 2048,
+      "max_tokens": 512,
       "model": "Qwen3.5-4B-Q4_K_M.gguf",
       "provider": "llamacpp",
       "short_model_name": "Qwen3.5 4B",
       "short_route_name": "本地对话",
-      "temperature": 0.7
+      "temperature": 0.7,
+      "timeout_seconds": 90
     },
     "chat_route_ollama_qwen_fast": {
       "description": "本地快聊 · llama.cpp / Qwen3.5 4B",
@@ -85,12 +77,32 @@
       "short_model_name": "Grok 4.20",
       "short_route_name": "OpenRouter",
       "temperature": 0.6
+    },
+    "chat_route_siliconflow_deepseek_v4_flash": {
+      "description": "SiliconFlow / DeepSeek V4 Flash",
+      "endpoint": "/chat/completions",
+      "max_tokens": 4096,
+      "model": "deepseek-ai/DeepSeek-V4-Flash",
+      "provider": "siliconflow",
+      "short_model_name": "DeepSeek V4 Flash",
+      "short_route_name": "SiliconFlow",
+      "temperature": 0.7
     }
   },
-  "default_embed_route": "embed_route_openrouter_text_v3",
-  "default_route": "chat_route_lmuai_deepseek_flash",
+  "default_embed_route": "embed_route_llamacpp_nomic",
+  "default_route": "chat_route_lmuai_deepseek_v4_flash",
   "description": "eai_agentplatform AI 路由配置 — 按场景分类定义多条路由，支持 provider/模型切换",
   "embed_routes": {
+    "embed_route_llamacpp_nomic": {
+      "base_url": "http://127.0.0.1:8081/v1",
+      "description": "本地向量 · llama.cpp / Nomic Embed v1.5",
+      "endpoint": "/embeddings",
+      "model": "nomic-embed-text-v1.5.Q4_K_M.gguf",
+      "provider": "llamacpp",
+      "short_model_name": "Nomic Embed v1.5",
+      "short_route_name": "本地向量",
+      "timeout_seconds": 30
+    },
     "embed_route_ollama_bge_m3": {
       "description": "本地向量 · Ollama / BGE-M3",
       "endpoint": "/embeddings",
@@ -113,10 +125,6 @@
       "chat_route_ollama_qwen_fast",
       "chat_route_ollama_qwen"
     ],
-    "chat_route_siliconflow_deepseek_v4_flash": [
-      "chat_route_ollama_qwen_fast",
-      "chat_route_ollama_qwen"
-    ],
     "chat_route_openrouter_deepseek_v3": [
       "chat_route_openrouter_grok_4",
       "chat_route_ollama_qwen"
@@ -129,6 +137,13 @@
     "chat_route_openrouter_grok_4": [
       "chat_route_ollama_qwen"
     ],
+    "chat_route_siliconflow_deepseek_v4_flash": [
+      "chat_route_ollama_qwen_fast",
+      "chat_route_ollama_qwen"
+    ],
+    "embed_route_llamacpp_nomic": [
+      "embed_route_openrouter_text_v3"
+    ],
     "embed_route_ollama_bge_m3": [
       "embed_route_openrouter_text_v3"
     ],
@@ -168,5 +183,17 @@
       "temperature": 1
     }
   },
+  "video_routes": {
+    "video_route_openrouter_veo_3": {
+      "description": "OpenRouter / Google Veo 3",
+      "endpoint": "/videos/generations",
+      "model": "google/veo-3",
+      "max_tokens": 4096,
+      "provider": "openrouter",
+      "short_model_name": "Veo 3",
+      "short_route_name": "OpenRouter",
+      "temperature": 0.7
+    }
+  },
   "version": "2.1.0"
 }