Expiranner Project Rules

1. Project Environment

Project Name: Expiranner
Root Folder: Expiranner (All operations must run from this root)
Subfolder: IOS (The main iOS project folder; do NOT recreate Expiranner subfolder)
Framework: SwiftUI
Local Storage: SwiftData (Do NOT use Core Data)
Language: Korean (All UI and logs must be in Korean)
Target: iOS 17+ (Required for SwiftData and VisionKit Revision 3)
Purpose: Personal use (Do NOT implement complex UI/UX designs, animations, or styling unless explicitly requested. Focus ONLY on functional logic)

Main View (Calendar):
- Must include a Year Picker at the top.
- Must show months (1-12) as a grid or list.
- Tapping a month opens a calendar for that month.
- Tapping a day shows a list of saved product items.
- Saved items must support swipe-to-delete.
- Saved items must support date modification (moving to another Year/Month/Day).
Floating Action Button (FAB):
- Must exist on the calendar view to start recording.
- Opens full-screen Camera Scanner (DataScannerViewController or VNDocumentCameraViewController).
OCR & Recording Flow:
1. Capture product label via camera.
2. Extract Korean text using Vision framework (VNRecognizeTextRequest).
3. Show a popup with thumbnail and extracted text.
4. Popup must have [재촬영] (Recapture - returns to camera) and [적용] (Apply - opens date picker).
5. Extracted text must be editable in the popup.
6. Date picker must restrict selection to the currently viewed month only.
7. Provide Haptic Feedback (vibration) upon saving data.
8. Automatically return to the Camera Scanner immediately after saving.
9. Provide an [X] button to exit scanner and return to Main View.

import Foundation
import SwiftData