Update web-app to use @evidencija-rezija/shared-code for common types
and utilities instead of maintaining duplicate copies.
Changes:
- Add shared-code dependency to package.json
- Update all imports across 35+ files to use @evidencija-rezija/shared-code
- Remove duplicate db-types.ts and shareChecksum.ts files
This ensures type consistency between web-app and email-worker and
reduces maintenance burden.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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