ci: remove broken cache and use prebuilt trunk binary for speed

.gitea/workflows/build-mips.yml

@@ -22,46 +22,7 @@ jobs:
         git fetch --depth=1 origin ${{ gitea.sha }}
         git checkout FETCH_HEAD
 
-    - name: Cache Cargo & Tools
-      uses: actions/cache@v3
-      id: cache-cargo
-      with:
-        path: |
-          ~/.cargo/bin
-          ~/.cargo/registry
-          ~/.cargo/git
-        key: ${{ runner.os }}-cargo-tools-${{ hashFiles('**/Cargo.lock') }}
-        restore-keys: |
-          ${{ runner.os }}-cargo-tools-
-
-    - name: Cache Node.js & Zig
-      uses: actions/cache@v3
-      id: cache-tools
-      with:
-        path: |
-          ~/.node
-          ~/zig
-        key: ${{ runner.os }}-tools-node-20-zig-0.13.0
-
-    - name: Check Cache & Skip Installs
-      id: check-cache
-      run: |
-        if [ -d "$HOME/.node/bin" ]; then
-          echo "Node.js found in cache."
-          echo "NODE_CACHED=true" >> $GITHUB_ENV
-          echo "$HOME/.node/bin" >> $GITHUB_PATH
-        fi
-        if [ -d "$HOME/zig" ]; then
-          echo "Zig found in cache."
-          echo "ZIG_CACHED=true" >> $GITHUB_ENV
-          echo "$HOME/zig" >> $GITHUB_PATH
-        else
-          # Ensure path is added for fresh install
-          echo "$HOME/zig" >> $GITHUB_PATH
-        fi
-    
     - name: Setup Rust
-
       run: |
         if ! command -v rustup >/dev/null 2>&1; then
           curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
@@ -74,7 +35,6 @@ jobs:
         rustc --version
 
     - name: Setup Node.js
-      if: env.NODE_CACHED != 'true'
       run: |
         # Download and install Node.js manually to ensure correct version and PATH
         NODE_VER="v20.11.1"
@@ -108,9 +68,16 @@ jobs:
     - name: Install Trunk & Tools
       run: |
         . "$HOME/.cargo/env"
+        # Download pre-built trunk binary to save huge compilation time
+        # This replaces 'cargo install trunk'
+        TRUNK_VER="v0.21.5"
         if ! command -v trunk &> /dev/null; then
-          cargo install trunk
+          echo "Downloading trunk $TRUNK_VER..."
+          wget -qO- https://github.com/trunk-rs/trunk/releases/download/$TRUNK_VER/trunk-x86_64-unknown-linux-gnu.tar.gz | tar -xzf -
+          mv trunk "$HOME/.cargo/bin/"
+          chmod +x "$HOME/.cargo/bin/trunk"
         fi
+        trunk --version
         
         # Install wasm-bindgen-cli from source because the prebuilt binary downloaded
         # by trunk relies on a newer glibc than this runner has.
@@ -132,7 +99,6 @@ jobs:
         trunk build --release
 
     - name: Setup Zig & Cross Setup
-      if: env.ZIG_CACHED != 'true'
       run: |
         # Install Zig for cross-compilation (easier/cleaner than GCC + Cargo wrappers without Docker)
         ZIG_VER="0.13.0"