refactor: Remove redundant CSS copy in Dockerfile and clean up WebSocket error logging

chore: Change log level for already downloaded pages to debug

Dockerfile

@@ -113,7 +113,6 @@ COPY ./page ./page
 COPY ./routes ./routes
 COPY ./scripts ./scripts
 COPY ./server ./server
-COPY ./static/*.css ./static/
 COPY ./static/*.ts ./static/
 COPY ./static/*.ico ./static/
 COPY ./static/*.svg ./static/

routes/api/task.ts

@@ -64,7 +64,6 @@ export const handler: Handlers = {
         socket.onerror = () => {
             removeListener();
             clearInterval(interval);
-            logger.error("WebSocket error.");
         };
         socket.onmessage = (e) => {
             try {

tasks/download.ts

@@ -291,7 +291,7 @@ export async function download_task(
                         }
                     }
                 }
-                logger.log("Already download page", i.index);
+                logger.debug("Already download page", i.index);
                 return;
             }
         }