Update engine download workflow: trigger on push, run only once

- Changed from workflow_dispatch to push trigger
- Added check to skip if test-engine/ already exists
- Workflow runs automatically on push but only downloads once

Author: claude

.github/workflows/download-engine-for-testing.yml

@@ -1,12 +1,9 @@
 name: Download Spring Engine for Local Testing
 
 on:
-  workflow_dispatch:
-    inputs:
-      branch:
-        description: 'Branch to push engine to'
-        required: true
-        default: 'claude/springboard-rmlui-conversion-011CUooEurKLbWKUu8vygDUw'
+  push:
+    branches:
+      - 'claude/springboard-rmlui-conversion-011CUooEurKLbWKUu8vygDUw'
 
 jobs:
   download-and-commit-engine:
@@ -15,16 +12,26 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
-        with:
-          ref: ${{ github.event.inputs.branch }}
-          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Check if engine already exists
+        id: check_engine
+        run: |
+          if [ -d "test-engine" ]; then
+            echo "exists=true" >> $GITHUB_OUTPUT
+            echo "✓ Engine already exists, skipping download"
+          else
+            echo "exists=false" >> $GITHUB_OUTPUT
+            echo "Engine not found, will download"
+          fi
 
       - name: Install dependencies
+        if: steps.check_engine.outputs.exists == 'false'
         run: |
           sudo apt-get update
           sudo apt-get install -y wget p7zip-full
 
       - name: Download BAR Engine
+        if: steps.check_engine.outputs.exists == 'false'
         run: |
           echo "Downloading BAR Engine 105.1.1-2472-ga5aa45c (supports RmlUi)..."
           wget -q "https://github.com/beyond-all-reason/spring/releases/download/spring_bar_%7BBAR105%7D105.1.1-2472-ga5aa45c/spring_bar_.BAR105.105.1.1-2472-ga5aa45c_linux-64-minimal-portable.7z"
@@ -38,6 +45,7 @@ jobs:
           ls -la test-engine/ | head -20
 
       - name: Commit and push engine
+        if: steps.check_engine.outputs.exists == 'false'
         run: |
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
@@ -51,6 +59,6 @@ locally before running in CI. It can be removed once testing is complete.
 
 Engine: BAR 105.1.1-2472-ga5aa45c (with RmlUi support)"
 
-          git push origin ${{ github.event.inputs.branch }}
+          git push
 
-          echo "✓ Engine committed and pushed to ${{ github.event.inputs.branch }}"
+          echo "✓ Engine committed and pushed"

.gitignore

@@ -9,3 +9,4 @@ env/
 
 # don't track local (dev) file
 *.local
+*.7z