fix: Robust cache path and pre-build debug

.github/workflows/build-mips.yml

@@ -13,12 +13,15 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+    - name: Debug - List Files (Pre-Build)
+      run: ls -R
+
     - name: Setup Node.js
       uses: actions/setup-node@v4
       with:
         node-version: '20'
         cache: 'npm'
-        cache-dependency-path: frontend/package-lock.json
+        cache-dependency-path: '**/package-lock.json'
 
     - name: Install Rust
       uses: dtolnay/rust-toolchain@nightly