chore(vendor): import pi 1.3.0

Imported as a linear vendor commit so forge rebases do not replay the upstream root tree.

git-subtree-dir: third_party/pi

git-subtree-split: 71023aec1546d6d677a65669c5665c0927ce0dd0

third_party/pi/packages/ai/test/unicode-surrogate.test.ts

@@ -332,7 +332,7 @@ describe("AI Providers Unicode Surrogate Pair Tests", () => {
 	});
 
 	describe.skipIf(!hasAzureOpenAICredentials())("Azure OpenAI Responses Provider Unicode Handling", () => {
-		const llm = getModel("azure-openai-responses", "gpt-4o-mini");
+		const llm = getModel("azure", "gpt-4o-mini");
 		const azureDeploymentName = resolveAzureDeploymentName(llm.id);
 		const azureOptions = azureDeploymentName ? { azureDeploymentName } : {};
 
@@ -546,7 +546,7 @@ describe("AI Providers Unicode Surrogate Pair Tests", () => {
 	});
 
 	describe.skipIf(!process.env.TOGETHER_API_KEY)("Together AI Provider Unicode Handling", () => {
-		const llm = getModel("together", "moonshotai/Kimi-K2.6");
+		const llm = getModel("together", "moonshotai/Kimi-K3");
 		const options = { reasoningEffort: "high" } satisfies StreamOptionsWithExtras;
 
 		it("should handle emoji in tool results", { retry: 3, timeout: 30000 }, async () => {