kimjaehyeon0101 b9b5733c05 Add language and theme selection to the user settings menu
Integrates dropdown menus for theme (light/dark) and language selection into the header component, persisting choices in localStorage. Updates LoginModal title with SAPIENS logo.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 069d4324-6c40-4355-955e-c714a50de1ea
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/3df548ff-50ae-432f-9be4-25d34eccc983/069d4324-6c40-4355-955e-c714a50de1ea/9tQ591o
2025-09-29 22:12:58 +00:00
Description
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226 MiB
Languages
JavaScript 62.9%
TypeScript 32.6%
HTML 4.1%
CSS 0.4%