- gemini/ugemini_install.sh: CURL_AUTH was defined but never used, fixed
- gemini/ugemini_update.sh: added GITEA_TOKEN + auth header
- qwen/uqwen_install.sh: use GITEA_TOKEN (was already defined but unused)
- qwen/uqwen_update.sh: added GITEA_TOKEN + auth header
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>