fix(coding-agent): resolve models.json auth per request closes #1835

packages/coding-agent/examples/extensions/handoff.ts

@@ -80,7 +80,10 @@ export default function (pi: ExtensionAPI) {
 				loader.onAbort = () => done(null);
 
 				const doGenerate = async () => {
-					const apiKey = await ctx.modelRegistry.getApiKey(ctx.model!);
+					const auth = await ctx.modelRegistry.getApiKeyAndHeaders(ctx.model!);
+					if (!auth.ok || !auth.apiKey) {
+						throw new Error(auth.ok ? `No API key for ${ctx.model!.provider}` : auth.error);
+					}
 
 					const userMessage: Message = {
 						role: "user",
@@ -96,7 +99,7 @@ export default function (pi: ExtensionAPI) {
 					const response = await complete(
 						ctx.model!,
 						{ systemPrompt: SYSTEM_PROMPT, messages: [userMessage] },
-						{ apiKey, signal: loader.signal },
+						{ apiKey: auth.apiKey, headers: auth.headers, signal: loader.signal },
 					);
 
 					if (response.stopReason === "aborted") {