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/reasoning-options.test.ts

@@ -0,0 +1,36 @@
+import { describe, expect, it } from "vitest";
+import { getEffortThinkingLevelMap } from "../scripts/models-dev-reasoning-options.ts";
+
+describe("getEffortThinkingLevelMap", () => {
+	it("exposes only verified effort values and none", () => {
+		expect(
+			getEffortThinkingLevelMap([{ type: "toggle" }, { type: "effort", values: ["none", "low", "high", "max"] }]),
+		).toEqual({
+			off: "none",
+			minimal: null,
+			low: "low",
+			medium: null,
+			high: "high",
+			xhigh: null,
+			max: "max",
+		});
+	});
+
+	it("does not infer thinking-off from an effort list", () => {
+		expect(getEffortThinkingLevelMap([{ type: "effort", values: ["low", "high", "max"] }])).toEqual({
+			off: null,
+			minimal: null,
+			low: "low",
+			medium: null,
+			high: "high",
+			xhigh: null,
+			max: "max",
+		});
+	});
+
+	it("leaves toggle and budget controls for their adapter-specific implementations", () => {
+		expect(getEffortThinkingLevelMap([{ type: "toggle" }])).toBeUndefined();
+		expect(getEffortThinkingLevelMap([{ type: "budget_tokens", min: 1024, max: 32000 }])).toBeUndefined();
+		expect(getEffortThinkingLevelMap([{ type: "effort", values: [null, "default"] }])).toBeUndefined();
+	});
+});