Squashed 'src/pi/' content from commit d981de122

git-subtree-dir: src/pi
git-subtree-split: d981de1229ef899957bbe968bc8dcda02a21f477

packages/coding-agent/test/suite/agent-session-tool-result-images.test.ts

@@ -0,0 +1,52 @@
+import type { AgentTool } from "@earendil-works/pi-agent-core";
+import { fauxAssistantMessage, fauxToolCall } from "@earendil-works/pi-ai";
+import { Type } from "typebox";
+import { afterEach, describe, expect, it, vi } from "vitest";
+import { createHarness, type Harness } from "./harness.ts";
+
+const normalizeToolResultImages = vi.hoisted(() => vi.fn(async (content: unknown[]) => content));
+vi.mock("../../src/utils/tool-result-images.ts", () => ({ normalizeToolResultImages }));
+
+const TINY_PNG_BASE64 =
+	"iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mP8z8DwHwAFBQIAX8jx0gAAAABJRU5ErkJggg==";
+
+const screenshotTool: AgentTool = {
+	name: "screenshot",
+	label: "Screenshot",
+	description: "Return a screenshot",
+	parameters: Type.Object({}),
+	execute: async () => ({
+		content: [
+			{ type: "text", text: "captured" },
+			{ type: "image", data: TINY_PNG_BASE64, mimeType: "image/png" },
+		],
+		details: {},
+	}),
+};
+
+describe("AgentSession tool result images", () => {
+	const harnesses: Harness[] = [];
+
+	afterEach(() => {
+		normalizeToolResultImages.mockClear();
+		while (harnesses.length > 0) {
+			harnesses.pop()?.cleanup();
+		}
+	});
+
+	it("passes images.autoResize to tool result normalization", async () => {
+		const harness = await createHarness({
+			tools: [screenshotTool],
+			settings: { images: { autoResize: false } },
+		});
+		harnesses.push(harness);
+		harness.setResponses([
+			fauxAssistantMessage([fauxToolCall("screenshot", {})], { stopReason: "toolUse" }),
+			fauxAssistantMessage("done"),
+		]);
+
+		await harness.session.prompt("take a screenshot");
+
+		expect(normalizeToolResultImages).toHaveBeenCalledWith(expect.any(Array), { autoResizeImages: false });
+	});
+});