Use sudo for script deployment to /usr/local/bin

- Use 'sudo tee' instead of redirect for writing scripts (redirects don't work with sudo)
- Use 'sudo chmod' to make scripts executable
- Cronjob still runs as user (no sudo needed)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/services/monitors.py

@@ -278,10 +278,9 @@ class MonitorService:
                         "error": f"Could not connect to {hostname}",
                     }
 
-            # Write the script to the remote host using heredoc
-            # Escape any single quotes in the script content
-            escaped_content = script_content.replace("'", "'\"'\"'")
-            write_cmd = f"cat > {script_path} << 'KUMA_SCRIPT_EOF'\n{script_content}KUMA_SCRIPT_EOF"
+            # Write the script to the remote host using sudo tee (works for non-root users)
+            # Using tee instead of redirect because sudo doesn't apply to redirects
+            write_cmd = f"sudo tee {script_path} > /dev/null << 'KUMA_SCRIPT_EOF'\n{script_content}KUMA_SCRIPT_EOF"
             result = ssh.execute(hostname, write_cmd, username, port)
             if not result.success:
                 return {
@@ -290,7 +289,7 @@ class MonitorService:
                 }
 
             # Make the script executable
-            chmod_result = ssh.execute(hostname, f"chmod +x {script_path}", username, port)
+            chmod_result = ssh.execute(hostname, f"sudo chmod +x {script_path}", username, port)
             if not chmod_result.success:
                 return {
                     "status": "failed",