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/suite/regressions/5943-session-start-notify.test.ts

@@ -2,47 +2,9 @@ import { fauxAssistantMessage } from "@earendil-works/pi-ai";
 import { Container, Text } from "@earendil-works/pi-tui";
 import { describe, expect, it, vi } from "vitest";
 import type { AgentSessionEvent } from "../../../src/core/agent-session.ts";
-import type { ExtensionUIContext } from "../../../src/core/extensions/index.ts";
 import { InteractiveMode } from "../../../src/modes/interactive/interactive-mode.ts";
-import { initTheme, type Theme, theme } from "../../../src/modes/interactive/theme/theme.ts";
-import { createHarness } from "../harness.ts";
-
-function createUiContext(
-	onNotify: (message: string, type: "info" | "warning" | "error" | undefined) => void,
-): ExtensionUIContext {
-	return {
-		select: async () => undefined,
-		confirm: async () => false,
-		input: async () => undefined,
-		notify: onNotify,
-		onTerminalInput: () => () => {},
-		setStatus: () => {},
-		setWorkingMessage: () => {},
-		setWorkingVisible: () => {},
-		setWorkingIndicator: () => {},
-		setHiddenThinkingLabel: () => {},
-		setWidget: () => {},
-		setFooter: () => {},
-		setHeader: () => {},
-		setTitle: () => {},
-		custom: async <T>() => undefined as T,
-		pasteToEditor: () => {},
-		setEditorText: () => {},
-		getEditorText: () => "",
-		editor: async () => undefined,
-		addAutocompleteProvider: () => {},
-		setEditorComponent: () => {},
-		getEditorComponent: () => undefined,
-		get theme() {
-			return theme;
-		},
-		getAllThemes: () => [],
-		getTheme: () => undefined,
-		setTheme: (_theme: string | Theme) => ({ success: false, error: "Theme switching not available in tests" }),
-		getToolsExpanded: () => false,
-		setToolsExpanded: () => {},
-	};
-}
+import { initTheme } from "../../../src/modes/interactive/theme/theme.ts";
+import { createHarness, createTestUiContext } from "../harness.ts";
 
 type LoadedResourcesResult<T> = { [K in keyof T]: T[K] } & { diagnostics: [] };
 
@@ -70,6 +32,7 @@ type LoadedResourcesContext = {
 		};
 	};
 	getStartupExpansionState: () => boolean;
+	shouldShowStartupDetails: () => boolean;
 	formatDisplayPath: (resourcePath: string) => string;
 	formatContextPath: (resourcePath: string) => string;
 	getBuiltInCommandConflictDiagnostics: (extensionRunner: LoadedResourcesContext["session"]["extensionRunner"]) => [];
@@ -78,6 +41,7 @@ type LoadedResourcesContext = {
 type RebindContext = {
 	unsubscribe?: () => void;
 	applyRuntimeSettings: () => void;
+	programStatus: { reset(): void };
 	renderCurrentSessionState: () => void;
 	bindCurrentSessionExtensions: () => Promise<void>;
 	subscribeToAgent: () => void;
@@ -246,6 +210,7 @@ function createLoadedResourcesContext(): LoadedResourcesContext {
 			},
 		},
 		getStartupExpansionState: () => false,
+		shouldShowStartupDetails: () => true,
 		formatDisplayPath: (resourcePath) => resourcePath,
 		formatContextPath: (resourcePath) => resourcePath.replace("/repo/", ""),
 		getBuiltInCommandConflictDiagnostics: () => [],
@@ -288,11 +253,12 @@ describe("regression #5943: session_start transient UI", () => {
 		try {
 			const context: RebindContext = {
 				applyRuntimeSettings: () => events.push("apply"),
+				programStatus: { reset: () => {} },
 				renderCurrentSessionState: () => events.push("render"),
 				bindCurrentSessionExtensions: async () => {
 					events.push("bind");
 					await harness.session.bindExtensions({
-						uiContext: createUiContext((message) => events.push(`notify:${message}`)),
+						uiContext: createTestUiContext({ notify: (message) => events.push(`notify:${message}`) }),
 						mode: "tui",
 					});
 				},
@@ -329,11 +295,12 @@ describe("regression #5943: session_start transient UI", () => {
 		try {
 			const context: RebindContext = {
 				applyRuntimeSettings: () => {},
+				programStatus: { reset: () => {} },
 				renderCurrentSessionState: () => events.push("render"),
 				bindCurrentSessionExtensions: async () => {
 					events.push("bind");
 					await harness.session.bindExtensions({
-						uiContext: createUiContext(() => {}),
+						uiContext: createTestUiContext(),
 						mode: "tui",
 					});
 				},
@@ -381,11 +348,12 @@ describe("regression #5943: session_start transient UI", () => {
 		try {
 			const context: RebindContext = {
 				applyRuntimeSettings: () => {},
+				programStatus: { reset: () => {} },
 				renderCurrentSessionState: () => events.push("render"),
 				bindCurrentSessionExtensions: async () => {
 					events.push("bind");
 					await harness.session.bindExtensions({
-						uiContext: createUiContext(() => {}),
+						uiContext: createTestUiContext(),
 						mode: "tui",
 					});
 				},
@@ -433,7 +401,7 @@ describe("regression #5943: session_start transient UI", () => {
 
 		try {
 			await harness.session.bindExtensions({
-				uiContext: createUiContext((message) => events.push(message)),
+				uiContext: createTestUiContext({ notify: (message) => events.push(message) }),
 				mode: "tui",
 			});
 			expect(events).toEqual(["start:startup", "notify:startup"]);