ci: improve test output visibility

Capture and display full script output in checksum verification tests to help diagnose failures. This makes it easier to debug issues when tests fail in CI.

Author: amondnet

.github/workflows/test-install-scripts.yml

@@ -130,9 +130,11 @@ jobs:
           export CLAUDE_PLUGIN_ROOT="${TEMP_DIR}"
 
           echo "Testing checksum verification..."
-          bash .claude-plugin/install-binary.sh --version 2>&1 | grep -q "Verifying checksum"
+          OUTPUT=$(bash .claude-plugin/install-binary.sh --version 2>&1)
+          echo "Script output:"
+          echo "$OUTPUT"
 
-          if [ $? -eq 0 ]; then
+          if echo "$OUTPUT" | grep -q "Verifying checksum"; then
             echo "✓ Checksum verification executed"
           else
             echo "Error: Checksum verification not executed"
@@ -150,9 +152,11 @@ jobs:
           export CLAUDE_PLUGIN_ROOT="${TEMP_DIR}"
 
           echo "Testing checksum verification..."
-          node .claude-plugin/install-binary.mjs --version 2>&1 | grep -q "Checksum verified"
+          OUTPUT=$(node .claude-plugin/install-binary.mjs --version 2>&1)
+          echo "Script output:"
+          echo "$OUTPUT"
 
-          if [ $? -eq 0 ]; then
+          if echo "$OUTPUT" | grep -q "Checksum verified"; then
             echo "✓ Checksum verification executed"
           else
             echo "Error: Checksum verification not executed"