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/coding-agent/test/compaction-nested-calls.test.ts

@@ -0,0 +1,27 @@
+import type { ToolResultMessage } from "@earendil-works/pi-ai/compat";
+import { describe, expect, it } from "vitest";
+import { computeFileLists, createFileOps, extractFileOpsFromMessage } from "../src/core/compaction/utils.ts";
+
+describe("compaction file operations", () => {
+	it("include files touched by nested calls recorded on tool results", () => {
+		const result: ToolResultMessage = {
+			role: "toolResult",
+			toolCallId: "codemode-1",
+			toolName: "codemode",
+			content: [],
+			isError: false,
+			timestamp: 0,
+			nestedCalls: {
+				calls: [
+					{ id: "codemode-1/1", name: "read", arguments: { path: "a.ts" }, status: "ok" },
+					{ id: "codemode-1/2", name: "edit", arguments: { path: "b.ts", edits: [] }, status: "ok" },
+					{ id: "codemode-1/3", name: "write", argumentsBytes: 40000, status: "ok" },
+				],
+				complete: false,
+			},
+		};
+		const fileOps = createFileOps();
+		extractFileOpsFromMessage(result, fileOps);
+		expect(computeFileLists(fileOps)).toEqual({ readFiles: ["a.ts"], modifiedFiles: ["b.ts"] });
+	});
+});