Cherry-picked from decolua/9router PR #183. Note: open-sse changes included but need further review due to extensive modifications. Co-authored-by: Cursor <cursoragent@cursor.com>
- Fix hydration mismatches and initialization errors - Add /v1/models endpoint for OpenAI clients - Add Codex response translator (Responses → OpenAI) - Fix circular dependencies and PropTypes - Add Material Symbols font and CSS fixes - Update README with deployment guide Co-merged from PR #18 (14/15 commits, skipped debug)