polyglotmesh — a single OpenAI/Anthropic-compatible base URL in front of many LLM providers, with priority routing, per-key limits, queueing, and built-in observability.
##Summary<!-- One paragraph: what does this PR change and why? -->##Changes<!-- Bullet list of the actual code changes -->-[ ] CHANGELOG updated (or N/A)
- [ ] Docs updated (or N/A)
- [ ] Tests added / updated (or N/A)
- [ ] `cargo build --release` clean
- [ ] `cargo test` passes
- [ ] `bash scripts/smoke-test.sh` passes
##Breaking changes<!-- List any breaking changes to config, CLI, or HTTP API. -->##Notes for reviewers<!-- Anything reviewers should pay extra attention to. -->