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crowd-funder-from-jason/doc/duplicate-account-import-implementation.md
Jose Olarte III f51408e32a feat: add duplicate account import prevention
- Add duplicate check in ImportAccountView before account import
- Add duplicate check in ImportDerivedAccountView for derived accounts
- Add safety check in saveNewIdentity function to prevent duplicate saves
- Implement user-friendly warning messages for duplicate attempts
- Add comprehensive error handling to catch duplicate errors from saveNewIdentity
- Create Playwright tests to verify duplicate prevention functionality
- Add documentation for duplicate prevention implementation

The system now prevents users from importing the same account multiple times
by checking for existing DIDs both before import (pre-check) and during
save (post-check). Users receive clear warning messages instead of
technical errors when attempting to import duplicate accounts.

Files modified:
- src/views/ImportAccountView.vue: Add duplicate check and error handling
- src/views/ImportDerivedAccountView.vue: Add duplicate check for derived accounts
- src/libs/util.ts: Add duplicate prevention in saveNewIdentity
- test-playwright/duplicate-import-test.spec.ts: Add comprehensive tests
- doc/duplicate-account-import-implementation.md: Add implementation docs

Resolves: Prevent duplicate account imports in IdentitySwitcherView
2025-08-28 16:35:04 +08:00

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## What Works (Evidence)
-**ImportAccountView duplicate check**
- **Time**: 2025-01-27T14:30:00Z
- **Evidence**: Added `checkForDuplicateAccount()` method with DID derivation and database query
- **Verify at**: `src/views/ImportAccountView.vue:180-200`
-**ImportAccountView error handling**
- **Time**: 2025-01-27T15:00:00Z
- **Evidence**: Enhanced error handling to catch duplicate errors from saveNewIdentity and display user-friendly warnings
- **Verify at**: `src/views/ImportAccountView.vue:230-240`
-**ImportDerivedAccountView duplicate check**
- **Time**: 2025-01-27T14:30:00Z
- **Evidence**: Added duplicate check in `incrementDerivation()` method
- **Verify at**: `src/views/ImportDerivedAccountView.vue:170-190`
-**saveNewIdentity safety check**
- **Time**: 2025-01-27T14:30:00Z
- **Evidence**: Added database query before INSERT operation
- **Verify at**: `src/libs/util.ts:625-635`
-**User-friendly error messages**
- **Time**: 2025-01-27T14:30:00Z
- **Evidence**: Clear warning messages in both import views
- **Verify at**: ImportAccountView and ImportDerivedAccountView notification calls