root 35f4cd136b Fix API connectivity and language translation issues
- Implement environment-aware API base URL detection
  * Auto-detects localhost vs production environment
  * Uses http://localhost:3002 for local development
  * Uses relative URLs for production deployment

- Add placeholder translation support
  * Extended applyTranslations() to handle data-translate-placeholder
  * Fixed language mismatch where interface was German but placeholder stayed English
  * Now properly translates placeholder text when switching languages

- Update cache-busting versions to force browser reload
  * Updated from v=20250629181500 to v=20250630173957
  * Ensures browser loads updated JavaScript with fixes

- Verify full API connectivity working
  * Local development server on port 3002 fully functional
  * AI-powered Socratic teaching system working perfectly
  * German/English language support complete

Resolves 502 Bad Gateway errors and language consistency issues.
2025-06-30 17:42:10 +02:00
2025-06-29 12:35:20 +02:00
Description
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58 MiB
Languages
JavaScript 61.5%
TypeScript 14.9%
CSS 12.4%
HTML 7.7%
Shell 2.8%
Other 0.7%