sync: update from Docs (ae9419e feat: dispatch to all 18 downstream repos (MCP, CLI, Skills))

[Germey]

The upstream Docs have been updated. Ensure this repo is in sync with the latest API spec.

Recent Docs Changes

ae9419e feat: dispatch to all 18 downstream repos (MCP, CLI, Skills)
ddef60d feat: add chirp-v5-5 model (pipeline test v3)
20b9d3d test: remove chirp-v5-5 (end-to-end pipeline test)
4d3188d feat: add chirp-v5-5 model (full pipeline test)
515b839 test: remove chirp-v5-5 to test sync pipeline

Instructions

See .github/copilot-instructions.md for sync rules.

Source of truth: the Docs repo OpenAPI spec at openapi/sora.json.

Compare models, endpoints, and parameters against this repo's code. Fix any differences.