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Patterns and best practices for bringing up a complete ROS2-based robotics system on a robot's onboard computer, including systemd services, launch file composition, ordered startup, and production monitoring.
Passed 20 of 23 test cases with the skill, and 13 of 23 without it.
and 4 more in the full report
7 fixed13 passed either way3 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 7 test cases the skill fixed. Same model, same prompt, with and without the skill.
I need to implement safety and fault recovery features for our ROS2 robot deployment. Please supply a Python heartbeat monitor node that tracks active status from critical subsystems and triggers an emergency halt if any node stops responding. Also, include an example Python node demonstrating proper signal handling so that when systemd initiates a shutdown, the node safely zeroes motor velocities and engages physical brakes before terminating.
| Checked | Without skill | With skill |
|---|---|---|
| Recommends network-online.target rather than network.target for ROS2 systemd targets. | Missed | Passed |
| Handles SIGINT or SIGTERM signals in Python to publish zero velocity commands before node termination. | Passed | Passed |
The instructions your model reads when the skill loads.
A production robot bringup follows a layered startup sequence from hardware initialization through application-level nodes. Each layer depends on the one below it.
┌─────────────────────────────────────────────────────────────────────┐
│ APPLICATION LAYER │
│ Navigation, manipulation, mission planning, HRI │
├─────────────────────────────────────────────────────────────────────┤
│ PERCEPTION LAYER │
│ Object detection, SLAM, point cloud filtering, sensor fusion │
├─────────────────────────────────────────────────────────────────────┤
│ DRIVER LAYER │
│ Camera drivers, LiDAR drivers, motor controllers, IMU │
├─────────────────────────────────────────────────────────────────────┤
│ HARDWARE LAYER │
│ udev rules, device enumeration, USB reset, firmware check │
├─────────────────────────────────────────────────────────────────────┤
│ ROS2 ENVIRONMENT │
│ Source workspace, set RMW, ROS_DOMAIN_ID, DDS config │
├─────────────────────────────────────────────────────────────────────┤
│ SYSTEMD TARGETS & SERVICES │
│ network-online.target → robot-hw.target → robot-bringup.target │
├─────────────────────────────────────────────────────────────────────┤
│ LINUX BOOT (systemd) │
test cases passed, vs 13 / 23 without
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