test(symptoms): register the new surfaces with the export, destructive and success guards

The full-backup route tests mock the symptom definition read the payload
now makes; the destructive-control registry names the symptom hooks (an
entry or a whole symptom, confirmed by an AlertDialog); the symptom quick
entry's save toast is pinned beside the measurement and mood forms it
mirrors.

src/app/api/export/encrypted/__tests__/route.test.ts

@@ -63,6 +63,7 @@ vi.mock("@/lib/db", () => ({
     documentConditionLink: { findMany: vi.fn().mockResolvedValue([]) },
     extractedFact: { findMany: vi.fn().mockResolvedValue([]) },
     ecgRecording: { findMany: vi.fn().mockResolvedValue([]) },
+    symptomDefinition: { findMany: vi.fn().mockResolvedValue([]) },
     cycleProfile: { findUnique: vi.fn().mockResolvedValue(null) },
     menstrualCycle: { findMany: vi.fn().mockResolvedValue([]) },
     cycleDayLog: { findMany: vi.fn().mockResolvedValue([]) },