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feat(copilot): support image generation and editing #2

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de62645
feat(copilot): support image generation and editing
billxc Nov 9, 2026
e3fabf7
refactor(provider): keep media types with request encoding
billxc Nov 9, 2026
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64 changes: 64 additions & 0 deletions packages/gateway/__tests__/data-plane/openai-images/http_test.ts
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4 changes: 2 additions & 2 deletions packages/provider-azure/src/provider.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -115,8 +115,8 @@ export const createAzureProvider = (record: UpstreamRecord): Provider => {
callOpenAIImagesGenerations: (model, body, signal, opts) => callNonStreaming(azureFetchOpenAIImagesGenerations, model, body, signal, [...opts.headers], opts),
callOpenAIImagesEdits: async (model, request, signal, opts) => {
const upstreamModelId = upstreamModelIdOf(model);
const body = await serializeOpenAIImagesEditsRequest(request, upstreamModelId);
const response = await azureFetchOpenAIImagesEdits(azure.config, { method: 'POST', body, signal }, { extraHeaders: [...opts.headers], fetcher: opts.fetcher, wrapUpstreamCall: opts.wrapUpstreamCall });
const serialized = await serializeOpenAIImagesEditsRequest(request, upstreamModelId);
const response = await azureFetchOpenAIImagesEdits(azure.config, { method: 'POST', ...serialized, signal }, { extraHeaders: [...opts.headers], fetcher: opts.fetcher, wrapUpstreamCall: opts.wrapUpstreamCall });
return { response, modelKey: upstreamModelId };
},
callOpenAIAudioTranscriptions: async (model, request, signal, opts) => {
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35 changes: 34 additions & 1 deletion packages/provider-copilot/__tests__/auth_test.ts
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79 changes: 78 additions & 1 deletion packages/provider-copilot/__tests__/provider_test.ts
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1 change: 0 additions & 1 deletion packages/provider-copilot/src/auth.ts
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Expand Up @@ -241,7 +241,6 @@ export async function copilotAuthedFetch(path: string, init: FetchInit, auth: Co
if (ownedInit === undefined) throw new Error('Copilot request ownership missing before dispatch');
const headers = new Headers(ownedInit.headers);
headers.set('Authorization', `Bearer ${entry.token}`);
headers.set('Content-Type', 'application/json');
headers.set('editor-version', EDITOR_VERSION);
headers.set('editor-plugin-version', EDITOR_PLUGIN_VERSION);
headers.set('editor-device-id', getEditorDeviceId());
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1 change: 0 additions & 1 deletion packages/provider-copilot/src/fetch-models.ts
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Expand Up @@ -22,7 +22,6 @@ const isCopilotModelsResponse = (value: unknown): value is CopilotModelsResponse
const MODELS_HEADER_OVERRIDES: HttpHeaderLines = [
['openai-intent', 'model-access'],
['x-interaction-type', 'model-access'],
['content-type', ''],
];

export const fetchCopilotModels = (config: CopilotFetchConfig, fetcher: Fetcher): Promise<CopilotModelsResponse> =>
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6 changes: 6 additions & 0 deletions packages/provider-copilot/src/fetch.ts
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Expand Up @@ -73,6 +73,12 @@ export const copilotFetchAnthropicMessagesCountTokens = (config: CopilotFetchCon
copilotFetchInternal(config, '/v1/messages/count_tokens', init, options);
export const copilotFetchOpenAIEmbeddings = (config: CopilotFetchConfig, init: FetchInit, options: CopilotDataPlaneFetchOptions): Promise<Response> =>
copilotFetchInternal(config, '/embeddings', init, options);
// https://developers.openai.com/api/reference/resources/images/methods/generate
export const copilotFetchOpenAIImagesGenerations = (config: CopilotFetchConfig, init: FetchInit, options: CopilotDataPlaneFetchOptions): Promise<Response> =>
copilotFetchInternal(config, '/v1/images/generations', init, options);
// https://developers.openai.com/api/reference/resources/images/methods/edit
export const copilotFetchOpenAIImagesEdits = (config: CopilotFetchConfig, init: FetchInit, options: CopilotDataPlaneFetchOptions): Promise<Response> =>
copilotFetchInternal(config, '/v1/images/edits', init, options);
export const copilotFetchModels = (config: CopilotFetchConfig, init: FetchInit, options: CopilotDataPlaneFetchOptions): Promise<Response> =>
copilotFetchInternal(config, '/models', init, options);
// Copilot serves decision models at the System One path it advertises in
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