docs: v1.5.7 动态API提供商管理，OpenCode Go集成，Bug修复

app/services/plan_generator.py

@@ -321,7 +321,7 @@ def generate_ai_report(
         "model": model,
         "messages": [{"role": "user", "content": prompt}],
         "temperature": temperature,
-        "max_tokens": 2000,
+        "max_tokens": 4096,
     }
 
     # 确定 endpoint
@@ -330,40 +330,71 @@ def generate_ai_report(
     else:
         endpoint = f"{base_url}/chat/completions"
 
+    # 调试信息
+    req_info = {"endpoint": endpoint, "model": model, "provider": provider}
+
     try:
         response = requests.post(
             endpoint,
             headers=headers,
             json=payload,
-            timeout=60,
+            timeout=180,
+            allow_redirects=False,
         )
 
         if response.status_code == 200:
-            result = response.json()
+            try:
+                result = response.json()
+            except Exception as je:
+                raw_text = response.text[:300] if response.text else "(empty body)"
+                return prompt, None, f"API返回非JSON [{endpoint}]: {raw_text}", None
             # MiniMax (Anthropic格式) 返回结构不同
             if provider == "minimax":
-                # MiniMax 返回的 content 可能是 [{"type": "thinking", ...}, {"type": "text", "text": "..."}]
                 content_list = result.get("content", [])
                 content = ""
                 for item in content_list:
                     if item.get("type") == "text":
                         content = item.get("text", "")
                         break
+                extra = {"finish_reason": "n/a"}
             else:
-                content = (
-                    result.get("choices", [{}])[0].get("message", {}).get("content", "")
-                )
-            return prompt, content, None, None
+                choice = result.get("choices", [{}])[0]
+                content = choice.get("message", {}).get("content", "")
+                finish = choice.get("finish_reason", "missing")
+                usage = result.get("usage", {})
+                # 调试信息
+                extra = {
+                    "finish_reason": finish,
+                    "prompt_tokens": usage.get("prompt_tokens", 0),
+                    "completion_tokens": usage.get("completion_tokens", 0),
+                    "raw_keys": list(result.keys()),
+                }
+            if not content or not content.strip():
+                err_detail = "API返回空内容"
+                if extra.get("finish_reason", "") not in ("", "n/a"):
+                    err_detail += f" (finish_reason={extra['finish_reason']})"
+                if extra.get("completion_tokens", 0) > 0:
+                    err_detail += f", 有{extra['completion_tokens']}个输出token但content为空"
+                if extra.get("raw_keys"):
+                    err_detail += f", 响应keys={extra['raw_keys']}"
+                return prompt, None, err_detail, extra
+            return prompt, content, None, extra
         else:
-            error_msg = f"API错误: {response.status_code}"
+            error_msg = f"API返回HTTP {response.status_code}"
+            if response.status_code in (301, 302, 303, 307, 308):
+                loc = response.headers.get("Location", "unknown")
+                error_msg += f" 重定向到: {loc}"
             try:
-                error_detail = response.json()
-                error_msg = error_detail.get("error", {}).get("message", error_msg)
+                error_body = response.json()
+                error_msg += ": " + error_body.get("error", {}).get("message", str(error_body)[:200])
             except:
-                pass
+                raw = response.text[:200] if response.text else "(empty)"
+                error_msg += ": " + raw
             return prompt, None, error_msg, None
 
     except requests.exceptions.Timeout:
-        return prompt, None, "API请求超时，请稍后重试", None
+        return prompt, None, "AI响应超时（等待180秒），网络较慢或模型负载高，请重试", None
+    except requests.exceptions.ConnectionError as e:
+        return prompt, None, f"无法连接到API服务器，请检查网络或Endpoint配置", None
     except Exception as e:
         return prompt, None, f"调用API失败: {str(e)}", None