feature: add new mikan scrapers

apps/recorder/src/web/controller/graphql/mod.rs

@@ -27,10 +27,10 @@ async fn graphql_handler(
 
 // 检查是否是 introspection 查询
 fn is_introspection_query(req: &async_graphql::Request) -> bool {
-    if let Some(operation) = &req.operation_name {
-        if operation.starts_with("__") {
-            return true;
-        }
+    if let Some(operation) = &req.operation_name
+        && operation.starts_with("__")
+    {
+        return true;
     }
 
     // 检查查询内容是否包含 introspection 字段

apps/recorder/src/web/middleware/etag.rs

@@ -97,15 +97,14 @@ where
         let res_fut = async move {
             let response = future.await?;
             let etag_from_response = response.headers().get(ETAG).cloned();
-            if let Some(etag_in_request) = ifnm {
-                if let Some(etag_from_response) = etag_from_response {
-                    if etag_in_request == etag_from_response {
-                        return Ok(Response::builder()
-                            .status(StatusCode::NOT_MODIFIED)
-                            .body(Body::empty())
-                            .unwrap());
-                    }
-                }
+            if let Some(etag_in_request) = ifnm
+                && let Some(etag_from_response) = etag_from_response
+                && etag_in_request == etag_from_response
+            {
+                return Ok(Response::builder()
+                    .status(StatusCode::NOT_MODIFIED)
+                    .body(Body::empty())
+                    .unwrap());
             }
             Ok(response)
         };