Release v2.0.5

🐛 Bug Fixes

• #224 — Chat→Responses translation creates invalid reasoning IDs — Removed synthetic reasoning item generation. The translator created reasoning_15-style IDs, but the Responses API requires rs_* IDs, causing 400 errors
• CI: duplicate OmniRoute.exe — Removed redundant entry that caused release workflow 404. PR #222 by @benzntech

✨ New Features

• Electron Auto-Update — Auto-update via electron-updater with IPC handlers, tray menu, and desktop notifications. PR #221 by @benzntech

📦 Dependencies

• actions/cache 4→5, actions/download-artifact 4→8, docker/login-action 3→4, actions/upload-artifact 4→7, docker/build-push-action 6→7, express-rate-limit 8.2.1→8.3.0