chore(vendor): import pi 0.85.1

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: d981de1229ef899957bbe968bc8dcda02a21f477

third_party/pi/packages/ai/test/xiaomi-models.test.ts

@@ -0,0 +1,18 @@
+import { describe, expect, it } from "vitest";
+import { getModels } from "../src/compat.ts";
+
+const XIAOMI_PROVIDERS = ["xiaomi", "xiaomi-token-plan-cn", "xiaomi-token-plan-ams", "xiaomi-token-plan-sgp"] as const;
+const DEPRECATED_MODEL_IDS = ["mimo-v2-flash", "mimo-v2-omni", "mimo-v2-pro"] as const;
+const REPLACEMENT_MODEL_IDS = ["mimo-v2.5", "mimo-v2.5-pro"] as const;
+
+describe("Xiaomi MiMo models", () => {
+	it.each(XIAOMI_PROVIDERS)("omits deprecated models from %s", (provider) => {
+		const modelIds = getModels(provider).map((model) => model.id);
+		for (const modelId of DEPRECATED_MODEL_IDS) expect(modelIds).not.toContain(modelId);
+	});
+
+	it.each(XIAOMI_PROVIDERS)("keeps replacement models on %s", (provider) => {
+		const modelIds = getModels(provider).map((model) => model.id);
+		for (const modelId of REPLACEMENT_MODEL_IDS) expect(modelIds).toContain(modelId);
+	});
+});