refactor: 删除部分多余的代码和注释

src/web/error.rs

@@ -0,0 +1,31 @@
+use crate::error::AppError;
+use axum::{
+    http::StatusCode,
+    response::{IntoResponse, Response},
+    Json,
+};
+use serde::Serialize;
+
+#[derive(Serialize)]
+pub struct ErrorResponse {
+    pub success: bool,
+    pub message: String,
+}
+
+impl IntoResponse for AppError {
+    fn into_response(self) -> Response {
+        let body = ErrorResponse {
+            success: false,
+            message: self.to_string(),
+        };
+
+        tracing::error!(
+            error_type = std::any::type_name_of_val(&self),
+            error_message = %body.message,
+            "Request failed"
+        );
+
+        // Always return 200 OK - success/failure is indicated by the success field
+        (StatusCode::OK, Json(body)).into_response()
+    }
+}