- Replace hardcoded planCategoryEnum z.enum with z.string().trim().min(1)
- Add assertActiveCategory() helper that rejects inactive/unknown keys
- Add resolveCategoryLabel() helper that resolves the Czech label from plan_categories DB table, falling back to built-in map
- Change PlanAuditDescriptionInput.category -> categoryLabel (pre-resolved string)
- Update buildPlanAuditDescription to use opts.categoryLabel directly
- Update all 6 buildPlanAuditDescription call sites in plan.service.ts to await resolveCategoryLabel(row.category)
- Add category validation in createEntry, updateEntry, createOverride, updateOverride
- Update planAuditDescription tests to pass categoryLabel instead of category
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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