feat(gui-v2): statusSeverity SoT map + bidirectional §8.X consistency test

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

apps/app/tests/unit/utils/statusSeverity.consistency.spec.ts

@@ -0,0 +1,30 @@
+// apps/app/tests/unit/utils/statusSeverity.consistency.spec.ts
+import { describe, expect, it } from 'vitest'
+import { ShiftAssignmentStatus } from '@/types/shiftAssignment'
+import { PersonStatus } from '@/types/person'
+import { MatchStatus } from '@/types/identityMatch'
+import { ArtistEngagementStatus, PaymentStatus } from '@/types/timetable'
+import { STATUS_SEVERITY, statusSeverity } from '@/components-v2/shared/statusSeverity'
+
+const ENUMS = { ShiftAssignmentStatus, ArtistEngagementStatus, PaymentStatus, PersonStatus, MatchStatus }
+const ALL_VALUES = Object.values(ENUMS).flatMap(e => Object.values(e)) as string[]
+
+describe('statusSeverity §8.X enforcement', () => {
+  it('completeness: every live enum value resolves to an explicit severity (no dev-fallback)', () => {
+    const missing = ALL_VALUES.filter(v => !(v in STATUS_SEVERITY))
+
+    expect(missing, `unmapped enum values: ${missing.join(', ')}`).toEqual([])
+  })
+
+  it('no phantoms: every map key exists in at least one live enum', () => {
+    const orphans = Object.keys(STATUS_SEVERITY).filter(k => !ALL_VALUES.includes(k))
+
+    expect(orphans, `orphan keys: ${orphans.join(', ')}`).toEqual([])
+  })
+
+  it('resolver returns the mapped severity and never throws on a known value', () => {
+    expect(statusSeverity('approved')).toBe('success')
+    expect(statusSeverity('no_show')).toBe('danger')
+    expect(statusSeverity('deposit_paid')).toBe('info')
+  })
+})