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debug-app

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Diagnose Power Apps mobile install/startup failures, npm run dev errors, missing package entry points, or QR/device-opening problems even before an app is loaded. Inspect locally first; restore locked dependencies or restart Metro only with explicit approval, never upgrade packages or patch host/MSAL source. For a running native app, monitor sanitized project-local Metro logs and diagnose runtime errors or silent failures such as empty lists and blank screens. Supports startup-only diagnosis, symptoms, port/platform filters, bounded monitoring, and non-mutating --no-fix mode. Verify the original symptom, not merely installation or quiet logs.

When to use

• Power Apps mobile install/startup failures
• npm run dev errors
• missing package entry points
• QR/device-opening problems
• runtime errors or silent failures
• empty lists and blank screens
• startup-only diagnosis
• monitoring sanitized project-local Metro logs

When not to use

• upgrading packages
• patching host/MSAL source
• stopping Metro
• installing background watchers

Skill page

Source