- Register gpt-5.4 (OpenAI codex auth), glm-4.7-flash, and glm-5 (ZAI)
- Add early-exit guard to litellm-init-models.sh: skips registration if
gpt-4o already exists in the DB, preventing duplicate entries on re-runs;
set FORCE=1 to bypass and add any missing models
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>