Docs sync audit for updated services (no code changes required)

[Copilot]

Docs updated multiple OpenAPI specs across MCP services; this PR reconciles the monorepo against those updates for the affected service set. The audit found no drift requiring repository changes.

• Scope reviewed

  • aichat, face (face-change), fish, flux, kling, luma, maestro, midjourney, openai, producer, seedance, suno, wan
  • kimi changes were also checked for aichat compatibility

• Sync result

  • Model/provider enums: in sync
  • Tool parameters and request shapes: in sync
  • Endpoint path mappings: in sync
  • Response schema alignment: in sync

• Repository delta

  • No file-level changes were necessary; this is an explicit no-op sync confirmation.

• Fixes sync: update from Docs (7636035 docs: sync from PlatformBackend [automated]) #615