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To validate command output, paste the command and its result into the system. It reads the input, assesses correctness, identifies the most impactful gap slowing progress, and provides a direct, actionable fix.

Step-by-step onboarding is guided by a validation loop that reads user actions, validates correctness, detects gaps, and closes them with actionable fixes before setting a checkpoint to ensure safe progress.

Checking learning progress is handled by the checkpoint mechanism, which validates your current action, ensures gaps are closed, and reminds you to back up your work before proceeding to the next step.

Actionable guidance for terminal commands is available by pasting your command and output directly. The system validates the result and reveals the next best step without requiring any custom scripts or dependencies.

Gap detection is needed during onboarding to identify the single most impactful issue slowing your progress. It ensures you receive a targeted, actionable fix rather than generic troubleshooting advice.

A limitation of the validation loop is that it requires you to manually paste commands and outputs. It does not automatically monitor your environment or execute commands on your behalf to validate progress.