Fix QA re-review: add missing types, aria-label, and temperament text

- Add MedicalAlert, AlertSeverity, CoatType, preferredCuts, medicalAlerts,
  temperamentScore, temperamentFlags to @groombook/types Pet interface
- Add aria-label="Add" to the preferred cuts + button
- Fix temperament text expectation from "(/4/5)" to "(4/5)"

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/__tests__/PetForm.test.tsx

@@ -148,7 +148,7 @@ describe("PetForm", () => {
       temperamentFlags: ["Anxious", "Good with kids"],
     };
     render(<PetForm pet={petWithTemperament} onSave={onSave} onCancel={onCancel} />);
-    expect(screen.getByText("(/4/5)")).toBeTruthy();
+    expect(screen.getByText("(4/5)")).toBeTruthy();
     expect(screen.getByText("Anxious")).toBeTruthy();
     expect(screen.getByText("Good with kids")).toBeTruthy();
   });

src/portal/sections/PetForm.tsx

@@ -262,7 +262,8 @@ export function PetForm({ pet, onSave, onCancel }: Props) {
             <button
               type="button"
               onClick={addCut}
-              className="px-3 py-2 border border-stone-200 rounded-lg text-sm text-stone-600 hover:bg-stone-50"
+              aria-label="Add"
+              className="px-3 py-2 border border border-stone-200 rounded-lg text-sm text-stone-600 hover:bg-stone-50"
             >
               <Plus size={14} />
             </button>