DOCUMENT MANAGER APP - COMPLETE REQUIREMENT SUMMARY 1. PURPOSE A secure family-based document manager app with cloud backup and encryption. 2. LOGIN - Mobile OTP login - Email optional 3. ADD DOCUMENTS - Camera / Gallery / PDF Import - Auto-crop and enhancement - Category selection - Tags and Expiry date 4. ID CARD MODE (Front + Back Merge) - Capture front side photo - Capture back side photo - App merges both into one JPG or single-page PDF - Raw images deleted after merge 5. FAMILY SYSTEM - Create family - Invite via phone or email - Roles: Owner, Admin, Member, View-only - Owner can promote/demote Admin - Admin can manage all documents - Full audit logs (upload/edit/delete/share) 6. SECURITY - AES-256 encryption - Client-side encrypted upload - Android/iOS keystore for keys - Mask Aadhaar/PAN numbers - PIN/Biometric protection for sensitive actions 7. BACKUP - Cloud backup (Firebase or AWS) - Optional encrypted Google Drive backup - Phone change -> login -> restore instantly 8. SEARCH - Search by name, category, tags, family member, expiry - Filters: Recent, Expiring soon 9. SHARING - Share as JPG - Share as PDF - Share compressed version - Secure link sharing (optional) 10. RECYCLE BIN - 30 day trash recovery - Version history + restore option 11. OCR (Optional) - Google ML Kit - Reads name, DOB, ID numbers - Auto category and auto metadata fill FINAL NOTE: This app is a secure family document vault with Aadhaar front-back merge, strong encryption, cloud backup, and family role system.