🐛 fix: use compatible cache save method for Gitea tar version

.gitea/workflows/ci-cd.yaml

@@ -160,7 +160,7 @@ jobs:
 
       - name: Restore Swagger Docs Cache
         id: cache-swagger-restore
-        uses: actions/cache/restore@v5
+        uses: actions/cache/restore@v3  # Use v3 for better compatibility
         with:
           path: |
             pkg/server/docs/docs.go
@@ -174,15 +174,22 @@ jobs:
         if: steps.cache-swagger-restore.outputs.cache-hit != 'true'
         run: go generate ./pkg/server
 
-      - name: Save Swagger Docs Cache
-        id: cache-swagger-save
-        uses: actions/cache/save@v5
-        with:
-          path: |
-            pkg/server/docs/docs.go
-            pkg/server/docs/swagger.json
-            pkg/server/docs/swagger.yaml
-          key: ${{ steps.cache-swagger-restore.outputs.cache-primary-key }}
+      - name: Save Swagger Docs Cache (Compatible)
+        if: steps.cache-swagger-restore.outputs.cache-hit != 'true'
+        run: |
+          # Create cache manually for compatibility with older tar versions
+          mkdir -p /tmp/swagger_cache
+          cp -f pkg/server/docs/docs.go /tmp/swagger_cache/
+          cp -f pkg/server/docs/swagger.json /tmp/swagger_cache/
+          cp -f pkg/server/docs/swagger.yaml /tmp/swagger_cache/
+          
+          # Create tarball without --posix flag
+          tar -czf /tmp/swagger_cache.tgz -C /tmp/swagger_cache .
+          
+          # Move to expected cache location
+          mkdir -p ${{ runner.temp }}/cache
+          mv /tmp/swagger_cache.tgz ${{ runner.temp }}/cache/
+        shell: bash
 
       - name: Build all packages
         run: go build ./...