Reconcile with #4539 (grok media account model mapping), now on main:
- handler/grok_media.go non-failover error path keeps both changes —
#4539's grokMediaScheduleModel(account, routingModel, nil) schedule
attribution and this branch's IsResponseCommitted guard
- auto-merged sections verified: routing/classify use #4539's routingModel,
video lookup owner-binding and no-failover semantics intact, ForwardGrokMedia
keeps mapping block (skipped for lookup endpoints via RequiresRequestBody),
empty-image failover, and video-status URL rewrite in order
Resolve conflicts with main:
- service/grok_media.go: keep both post-response blocks — #4497's empty
image-output failover (main) runs first for image endpoints, then this
branch's video-status content-URL rewrite; the endpoint conditions are
mutually exclusive
- handler/openai_gateway_credential_failover_loop_test.go: mark the stub
OAuth accounts media-eligible via the grok_media_eligible extra override,
because this branch moved grok media failover coverage to the generation
endpoint, which is now gated by #4540's paid-eligibility probe on main
Resolve conflicts with main:
- handler/grok_media_test.go: keep both new tests (schedule model test from
this branch, eligibility gating tests from #4540)
- service/openai_gateway_grok_test.go: keep both new tests; update the image
cases of the mapping table test to return a non-empty image payload because
#4497 (already on main) now converts empty image responses into an upstream
failover error
shaw