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/interactive-mode-compaction.test.ts

@@ -138,6 +138,7 @@ describe("InteractiveMode compaction events", () => {
 		const fakeThis = {
 			isInitialized: true,
 			footer: { invalidate: vi.fn() },
+			programStatus: { handleEvent: vi.fn() },
 			autoCompactionEscapeHandler: undefined as (() => void) | undefined,
 			autoCompactionLoader: undefined,
 			defaultEditor: {},
@@ -201,6 +202,7 @@ describe("InteractiveMode compaction events", () => {
 		const fakeThis = {
 			isInitialized: true,
 			footer: { invalidate: vi.fn() },
+			programStatus: { handleEvent: vi.fn() },
 			activeStatusIndicator: undefined,
 			workingVisible: true,
 			showWorkingStatusIndicator: vi.fn(),
@@ -228,6 +230,24 @@ describe("InteractiveMode compaction events", () => {
 		expect(fakeThis.ui.requestRender).toHaveBeenCalledTimes(2);
 	});
 
+	// Regression test for #9340.
+	test("routes interactive response aborts through AgentSession", () => {
+		const abort = vi.fn(async () => {});
+		const ui = {
+			clearAllQueues: () => ({ steering: [], followUp: [] }),
+			updatePendingMessagesDisplay: vi.fn(),
+			session: { abort },
+		};
+		const restoreQueuedMessagesToEditor = Reflect.get(InteractiveMode.prototype, "restoreQueuedMessagesToEditor") as (
+			this: typeof ui,
+			options?: { abort?: boolean },
+		) => number;
+
+		restoreQueuedMessagesToEditor.call(ui, { abort: true });
+
+		expect(abort).toHaveBeenCalledOnce();
+	});
+
 	test("preserves steering behavior when flushing into an active agent run", async () => {
 		const fakeThis = {
 			compactionQueuedMessages: [{ text: "change direction", mode: "steer" as const }],