fix: 新增 CACHE_BUST 參數以強制重新執行模型下載層，改善下載穩定性

.github/workflows/docker-e2e-tests.yml

@@ -83,6 +83,9 @@ jobs:
           tags: ${{ env.REGISTRY }}/${{ env.REPO }}:test-${{ github.sha }}
           cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.REPO }}:buildcache-linux-amd64
           cache-to: type=inline
+          # 🔥 CACHE_BUST 強制重新執行模型下載層
+          build-args: |
+            CACHE_BUST=${{ github.run_id }}${{ github.run_attempt }}
 
       - name: Set image output
         id: image

.github/workflows/docker-publish.yml

@@ -195,8 +195,10 @@ jobs:
           cache-from: type=registry,ref=ghcr.io/${{ env.REPO }}:buildcache-${{ env.PLATFORM_PAIR }}
           cache-to: type=registry,ref=ghcr.io/${{ env.REPO }}:buildcache-${{ env.PLATFORM_PAIR }},mode=max,compression=zstd
           # 設定 build 參數
+          # 🔥 CACHE_BUST 使用時間戳強制重新執行模型下載層
           build-args: |
             BUILDKIT_INLINE_CACHE=1
+            CACHE_BUST=${{ github.run_id }}${{ github.run_attempt }}
 
       - name: Export digest
         run: |