fix: auto-fix code issues (cron)

- 修复隐式 Optional 类型注解 (RUF013)
- 修复不必要的赋值后返回 (RET504)
- 优化列表推导式 (PERF401)
- 修复未使用的参数 (ARG002)
- 清理重复导入
- 优化异常处理

backend/developer_ecosystem_manager.py

@@ -538,7 +538,8 @@ class DeveloperEcosystemManager:
         """获取 SDK 版本历史"""
         with self._get_db() as conn:
             rows = conn.execute(
-                "SELECT * FROM sdk_versions WHERE sdk_id = ? ORDER BY created_at DESC", (sdk_id,),
+                "SELECT * FROM sdk_versions WHERE sdk_id = ? ORDER BY created_at DESC",
+                (sdk_id,),
             ).fetchall()
             return [self._row_to_sdk_version(row) for row in rows]
 
@@ -700,7 +701,8 @@ class DeveloperEcosystemManager:
         """获取模板详情"""
         with self._get_db() as conn:
             row = conn.execute(
-                "SELECT * FROM template_market WHERE id = ?", (template_id,),
+                "SELECT * FROM template_market WHERE id = ?",
+                (template_id,),
             ).fetchone()
 
             if row:
@@ -1076,7 +1078,11 @@ class DeveloperEcosystemManager:
             return [self._row_to_plugin(row) for row in rows]
 
     def review_plugin(
-        self, plugin_id: str, reviewed_by: str, status: PluginStatus, notes: str = "",
+        self,
+        plugin_id: str,
+        reviewed_by: str,
+        status: PluginStatus,
+        notes: str = "",
     ) -> PluginMarketItem | None:
         """审核插件"""
         now = datetime.now().isoformat()
@@ -1420,7 +1426,8 @@ class DeveloperEcosystemManager:
         """获取开发者档案"""
         with self._get_db() as conn:
             row = conn.execute(
-                "SELECT * FROM developer_profiles WHERE id = ?", (developer_id,),
+                "SELECT * FROM developer_profiles WHERE id = ?",
+                (developer_id,),
             ).fetchone()
 
             if row:
@@ -1431,7 +1438,8 @@ class DeveloperEcosystemManager:
         """通过用户 ID 获取开发者档案"""
         with self._get_db() as conn:
             row = conn.execute(
-                "SELECT * FROM developer_profiles WHERE user_id = ?", (user_id,),
+                "SELECT * FROM developer_profiles WHERE user_id = ?",
+                (user_id,),
             ).fetchone()
 
             if row:
@@ -1439,7 +1447,9 @@ class DeveloperEcosystemManager:
             return None
 
     def verify_developer(
-        self, developer_id: str, status: DeveloperStatus,
+        self,
+        developer_id: str,
+        status: DeveloperStatus,
     ) -> DeveloperProfile | None:
         """验证开发者"""
         now = datetime.now().isoformat()
@@ -1453,9 +1463,11 @@ class DeveloperEcosystemManager:
             """,
                 (
                     status.value,
-                    now
-                    if status in [DeveloperStatus.VERIFIED, DeveloperStatus.CERTIFIED]
-                    else None,
+                    (
+                        now
+                        if status in [DeveloperStatus.VERIFIED, DeveloperStatus.CERTIFIED]
+                        else None
+                    ),
                     now,
                     developer_id,
                 ),
@@ -1469,7 +1481,8 @@ class DeveloperEcosystemManager:
         with self._get_db() as conn:
             # 统计插件数量
             plugin_row = conn.execute(
-                "SELECT COUNT(*) as count FROM plugin_market WHERE author_id = ?", (developer_id,),
+                "SELECT COUNT(*) as count FROM plugin_market WHERE author_id = ?",
+                (developer_id,),
             ).fetchone()
 
             # 统计模板数量
@@ -1583,7 +1596,8 @@ class DeveloperEcosystemManager:
         """获取代码示例"""
         with self._get_db() as conn:
             row = conn.execute(
-                "SELECT * FROM code_examples WHERE id = ?", (example_id,),
+                "SELECT * FROM code_examples WHERE id = ?",
+                (example_id,),
             ).fetchone()
 
             if row:
@@ -1699,7 +1713,8 @@ class DeveloperEcosystemManager:
         """获取 API 文档"""
         with self._get_db() as conn:
             row = conn.execute(
-                "SELECT * FROM api_documentation WHERE id = ?", (doc_id,),
+                "SELECT * FROM api_documentation WHERE id = ?",
+                (doc_id,),
             ).fetchone()
 
             if row:
@@ -1799,7 +1814,8 @@ class DeveloperEcosystemManager:
         """获取开发者门户配置"""
         with self._get_db() as conn:
             row = conn.execute(
-                "SELECT * FROM developer_portal_configs WHERE id = ?", (config_id,),
+                "SELECT * FROM developer_portal_configs WHERE id = ?",
+                (config_id,),
             ).fetchone()
 
             if row: