feat(api): deprecate Sora video APIs

[apcha-oai]

Summary

Deprecate Sora video API surfaces

[openai-sdks]

OkTest Summary

✅ 237/237 SDK tests passed in 16.351s for Java SDK PR #860.

Test results — 42 files

Test	Result	Time
tests/chat-completions-complex-body.test.ts	✅ Passed	377ms
tests/chat-completions-create.test.ts	✅ Passed	901ms
tests/chat-completions-stream.test.ts	✅ Passed	347ms
tests/files-content-binary.test.ts	✅ Passed	236ms
tests/files-create-multipart.test.ts	✅ Passed	330ms
tests/files-list-pagination.test.ts	✅ Passed	265ms
tests/initialize-config.test.ts	✅ Passed	190ms
tests/instance-isolation.test.ts	✅ Passed	305ms
tests/models-list.test.ts	✅ Passed	168ms
tests/responses-background-lifecycle.test.ts	✅ Passed	304ms
tests/responses-body-method-errors.test.ts	✅ Passed	454ms
tests/responses-cancel-timeout.test.ts	✅ Passed	251ms
tests/responses-cancel.test.ts	✅ Passed	394ms
tests/responses-compact-retries.test.ts	✅ Passed	372ms
tests/responses-compact.test.ts	✅ Passed	292ms
tests/responses-create-advanced-stream.test.ts	✅ Passed	491ms
tests/responses-create-advanced.test.ts	✅ Passed	1.484s
tests/responses-create-disconnect.test.ts	✅ Passed	1.148s
tests/responses-create-errors.test.ts	✅ Passed	312ms
tests/responses-create-malformed-api-responses.test.ts	✅ Passed	371ms
tests/responses-create-retries.test.ts	✅ Passed	707ms
tests/responses-create-stream-failures.test.ts	✅ Passed	258ms
tests/responses-create-stream-timeout.test.ts	✅ Passed	309ms
tests/responses-create-stream-wire.test.ts	✅ Passed	5.97s
tests/responses-create-stream.test.ts	✅ Passed	270ms
tests/responses-create-terminal-states.test.ts	✅ Passed	447ms
tests/responses-create-timeout.test.ts	✅ Passed	249ms
tests/responses-create.test.ts	✅ Passed	277ms
tests/responses-delete.test.ts	✅ Passed	253ms
tests/responses-input-items-errors.test.ts	✅ Passed	272ms
tests/responses-input-items-list.test.ts	✅ Passed	350ms
tests/responses-input-items-options.test.ts	✅ Passed	555ms
tests/responses-input-tokens-count-timeout.test.ts	✅ Passed	266ms
tests/responses-input-tokens-count.test.ts	✅ Passed	277ms
tests/responses-malformed-inputs.test.ts	✅ Passed	4.761s
tests/responses-not-found-errors.test.ts	✅ Passed	321ms
tests/responses-parse.test.ts	✅ Passed	621ms
tests/responses-retrieve-retries.test.ts	✅ Passed	271ms
tests/responses-retrieve.test.ts	✅ Passed	371ms
tests/responses-stored-method-errors.test.ts	✅ Passed	1.026s
tests/retry-behavior.test.ts	✅ Passed	3.483s
tests/sdk-error-shape.test.ts	✅ Passed	404ms

View OkTest run #31733092761

_{SDK merge (8c4ebb756c20) · head (70257cb45aff) · base (fb8daa45a059) · OkTest (a845fa206fa4)}

[jbeckwith-oai]

Reviewed the exact-head Sora deprecation regeneration. Blocking, async, raw-response, implementation, overload, parameter, and pagination surfaces consistently carry the canonical September 24, 2026 shutdown deprecation. Runtime/API behavior is unchanged and exact-head CI is green. No findings.