Add 11 major features for caregiver health management

Features added:
- Emergency Info Card: Full-screen emergency view with patient info
- Refill Tracker: Track pill counts with auto-decrement on dose
- Activity Feed: View caregiver activity with filtering
- Symptom Tracker: Log symptoms with severity and offline sync
- Print Views: Daily meds, appointments, doctor visit summaries
- iCal Export: Calendar subscription for appointments
- PDF Export: Medical summary for doctor visits
- Calendar View: Monthly calendar for appointments
- Appointment Preparation: Checklist for upcoming appointments
- Medication Reminders: PWA push notifications with quiet hours

Bug fixes:
- Fix invite workflow: Register/login now properly redirect back
- Add undo for doctor questions (can unmark "asked" questions)
- Fix API route type annotations for Next.js 14 compatibility
- Add Suspense boundary for useSearchParams in login/register

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

package.json

@@ -28,16 +28,20 @@
     "lucide-react": "^0.468.0",
     "nanoid": "^5.0.9",
     "next": "^14.2.21",
+    "pdfkit": "^0.17.2",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "react-hot-toast": "^2.4.1",
+    "web-push": "^3.6.7",
     "zod": "^3.24.1"
   },
   "devDependencies": {
     "@tailwindcss/forms": "^0.5.9",
     "@types/node": "^22.10.5",
+    "@types/pdfkit": "^0.17.4",
     "@types/react": "^18.3.18",
     "@types/react-dom": "^18.3.5",
+    "@types/web-push": "^3.6.4",
     "autoprefixer": "^10.4.20",
     "eslint": "^8.57.1",
     "eslint-config-next": "^14.2.21",