update workflow to be explicit about freesurfer

Author: bendhouseart

.github/workflows/run_on_test_data.yaml

@@ -2,7 +2,14 @@ name: Run petdeface on test data
 
 on:
   workflow_dispatch:
+  push:
+    branches: [ main, dev ]
+    paths:
+      - 'petdeface/**'
+      - 'pyproject.toml'
+      - 'uv.lock'
   pull_request:
+    branches: [ main, dev ]
     paths:
       - 'petdeface/**'
       - 'pyproject.toml'
@@ -11,6 +18,8 @@ on:
 jobs:
   test-petdeface:
     runs-on: self-hosted
+    env:
+      FREESURFER_HOME: /usr/local/freesurfer/7.4.1
 
     steps:
     - name: Checkout repository
@@ -26,6 +35,21 @@ jobs:
       with:
         version: latest
 
+    - name: Setup FreeSurfer environment
+      run: |
+        # Add FreeSurfer to PATH
+        export PATH=$FREESURFER_HOME:$PATH
+        
+        # Source FreeSurfer setup script if it exists
+        if [ -f "$FREESURFER_HOME/SetUpFreeSurfer.sh" ]; then
+          source $FREESURFER_HOME/SetUpFreeSurfer.sh
+        fi
+        
+        # Check if FreeSurfer is available
+        which mideface || echo "mideface not found in PATH"
+        echo "FREESURFER_HOME: $FREESURFER_HOME"
+        echo "PATH: $PATH"
+        
     - name: Build package with uv
       run: |
         uv build
@@ -36,5 +60,5 @@ jobs:
         
     - name: Run petdeface on test data with uv run
       run: |
-        uv run --with dist/*.whl petdeface petdeface/data/ data_defaced/ --participant-label sub-01
+        uv run --with dist/*.whl petdeface petdeface/data/ data_defaced/ participant --participant-label sub-01