feat(kb-deep-analyzer): 增加超时时间和重试机制

- timeout 从 30s 增加到 120s
- 添加重试逻辑，最多重试 3 次
- 避免因网络波动导致的 token 浪费

skills/kb-deep-analyzer/deep_analyzer.py

@@ -59,12 +59,15 @@ class SimpleAIClient:
         self.provider = provider or os.environ.get("AI_PROVIDER", "")
         self.model = model or os.environ.get("AI_MODEL", "gpt-4")
         self.base_url = base_url or os.environ.get("AI_BASE_URL", "")
+        self.max_retries = 3  # 最大重试次数
 
     def generate(self, prompt: str, max_tokens: int = 1000) -> str:
-        """生成文本"""
+        """生成文本，支持重试"""
         if not self.api_key:
             raise ValueError("AI_API_KEY 未设置，请配置环境变量")
 
+        last_error = None
+        for attempt in range(self.max_retries):
             try:
                 if self.provider == "openai":
                     return self._call_openai(prompt, max_tokens)
@@ -75,7 +78,12 @@ class SimpleAIClient:
                 else:
                     raise ValueError(f"不支持的 AI 提供商: {self.provider}")
             except Exception as e:
-            print(f"[AI Client] 调用失败: {e}")
+                last_error = e
+                if attempt < self.max_retries - 1:
+                    print(f"[AI Client] 第 {attempt + 1} 次调用失败，{self.max_retries - attempt - 1} 次重试剩余: {e}")
+                    continue
+                else:
+                    print(f"[AI Client] 调用失败，已重试 {self.max_retries} 次: {e}")
                     raise
 
     def generate_json(self, prompt: str) -> Dict[str, Any]:
@@ -103,7 +111,7 @@ class SimpleAIClient:
             "messages": [{"role": "user", "content": prompt}]
         }
 
-        response = requests.post(url, headers=headers, json=payload, timeout=30)
+        response = requests.post(url, headers=headers, json=payload, timeout=120)
         response.raise_for_status()
         return response.json()['choices'][0]['message']['content']
 
@@ -120,7 +128,7 @@ class SimpleAIClient:
             "max_tokens": max_tokens
         }
 
-        response = requests.post(url, headers=headers, json=payload, timeout=30)
+        response = requests.post(url, headers=headers, json=payload, timeout=120)
         response.raise_for_status()
         data = response.json()
         
@@ -181,7 +189,7 @@ class SimpleAIClient:
             "messages": [{"role": "user", "content": prompt}]
         }
 
-        response = requests.post(url, headers=headers, json=payload, timeout=30)
+        response = requests.post(url, headers=headers, json=payload, timeout=120)
         response.raise_for_status()
         data = response.json()
         for item in data.get('content', []):