Use when chasing a runtime bug — empty panels or "no such table", stale seed data after editing data/*.json, FK constraint failures, a blank/white map, dead network features, or frozen-build-only crashes. Symptom→cause→fix playbook plus where the real user DB lives per-OS, how to inspect it, where Q
Use when chasing a runtime bug — empty panels or "no such table", stale seed data after editing data/*.json, FK constraint failures, a blank/white map, dead network features, or frozen-build-only crashes. Symptom→cause→fix playbook plus where the real user DB lives per-OS, how to inspect it, where Qt warnings and JS console output go, and the SSL/resource-path traps specific to this app.