fix: disable buildx cache + simplify compression middleware

.forgejo/workflows/deploy.yml

@@ -31,6 +31,7 @@ jobs:
       with:
         context: .
         push: true
+        no-cache: true
         tags: |
           git.cloonar.com/openclawd/docfast:latest
           git.cloonar.com/openclawd/docfast:${{ github.sha }}

src/middleware/compression.ts

@@ -3,8 +3,4 @@ import compression from "compression";
 export const compressionMiddleware = compression({
   level: 6,
   threshold: 1024,
-  filter: (req: any, res: any) => {
-    if (req.headers["x-no-compression"]) return false;
-    return compression.filter(req, res);
-  }
 });