fix: decode URL-encoded characters in PR body update

- Fix shell execution error caused by %0A in commit messages
- Properly decode %0A, %0D, %25 back to readable format
- Prevents 'command not found' errors in workflow

Author: Seungwoo321

.github/workflows/integrate-develop.yml

@@ -130,8 +130,10 @@ jobs:
           # Get current PR body
           CURRENT_BODY=$(gh pr view $PR_NUMBER --json body --jq '.body')
 
-          # Create updated section
-          UPDATED_SECTION="### 🔄 Last Updated: ${TIMESTAMP}\nNew commits: ${COMMIT_COUNT}\n\n### 📝 Recent Commits\n${COMMITS}"
+          # Create updated section with proper escaping
+          # Decode %0A back to actual newlines for proper display
+          DECODED_COMMITS=$(echo "${COMMITS}" | sed 's/%0A/\n/g' | sed 's/%0D//g' | sed 's/%25/%/g')
+          UPDATED_SECTION="### 🔄 Last Updated: ${TIMESTAMP}\nNew commits: ${COMMIT_COUNT}\n\n### 📝 Recent Commits\n${DECODED_COMMITS}"
 
           # Update or append the updated section
           if echo "$CURRENT_BODY" | grep -q "### 🔄 Last Updated:"; then