fix: use find+while loop instead of multiline output in for loop

.gitea/workflows/compile-upload.yaml

@@ -36,19 +36,6 @@ jobs:
       - name: Install KFP
         run: pip install kfp==2.12.1
 
-      - name: Discover pipeline files
-        id: discover
-        run: |
-          # Find all pipeline Python files
-          FILES=$(find . -maxdepth 1 -name '*_pipeline.py' -o -name '*pipeline*.py' | sort)
-          COUNT=$(echo "$FILES" | grep -c '.' || true)
-          echo "files<<EOF" >> $GITHUB_OUTPUT
-          echo "$FILES" >> $GITHUB_OUTPUT
-          echo "EOF" >> $GITHUB_OUTPUT
-          echo "count=$COUNT" >> $GITHUB_OUTPUT
-          echo "Found $COUNT pipeline files:"
-          echo "$FILES"
-
       - name: Compile pipelines
         id: compile
         run: |
@@ -57,7 +44,7 @@ jobs:
           COMPILED_LIST=""
           FAILED_LIST=""
 
-          for py_file in ${{ steps.discover.outputs.files }}; do
+          find . -maxdepth 1 -name '*_pipeline.py' | sort | while read -r py_file; do
             name=$(basename "$py_file" .py)
             echo "::group::Compiling $name"
 
@@ -81,19 +68,17 @@ jobs:
             echo "::endgroup::"
           done
 
+          # Re-count from produced files (pipe subshell loses vars)
+          COMPILED=$(find . -maxdepth 1 -name '*_pipeline.yaml' | wc -l)
+          TOTAL=$(find . -maxdepth 1 -name '*_pipeline.py' | wc -l)
+          FAILED=$((TOTAL - COMPILED))
+
           echo "compiled=$COMPILED" >> $GITHUB_OUTPUT
           echo "failed=$FAILED" >> $GITHUB_OUTPUT
-          echo "compiled_list<<EOF" >> $GITHUB_OUTPUT
-          echo -e "$COMPILED_LIST" >> $GITHUB_OUTPUT
-          echo "EOF" >> $GITHUB_OUTPUT
-          echo "failed_list<<EOF" >> $GITHUB_OUTPUT
-          echo -e "$FAILED_LIST" >> $GITHUB_OUTPUT
-          echo "EOF" >> $GITHUB_OUTPUT
 
           echo ""
           echo "=== Summary ==="
-          echo "Compiled: $COMPILED"
-          echo "Failed:   $FAILED"
+          echo "Compiled: $COMPILED / $TOTAL"
 
           if [ "$FAILED" -gt 0 ]; then
             echo "::warning::$FAILED pipeline(s) failed to compile"