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/tui/test/editor-history-keybindings.test.ts

@@ -0,0 +1,43 @@
+import assert from "node:assert";
+import { afterEach, describe, it } from "node:test";
+import { Editor } from "../src/components/editor.ts";
+import { KeybindingsManager, setKeybindings, TUI_KEYBINDINGS } from "../src/keybindings.ts";
+import { TuiMainScreen } from "../src/tui-main-screen.ts";
+import { defaultEditorTheme } from "./test-themes.ts";
+import { VirtualTerminal } from "./virtual-terminal.ts";
+
+afterEach(() => {
+	setKeybindings(new KeybindingsManager(TUI_KEYBINDINGS));
+});
+
+describe("Editor prompt history keybindings", () => {
+	it("browses history directly without first moving the cursor", () => {
+		setKeybindings(
+			new KeybindingsManager(TUI_KEYBINDINGS, {
+				"tui.editor.historyPrevious": "ctrl+p",
+				"tui.editor.historyNext": "ctrl+n",
+			}),
+		);
+		const editor = new Editor(new TuiMainScreen(new VirtualTerminal()), defaultEditorTheme);
+		editor.addToHistory("older prompt");
+		editor.addToHistory("newer\nmultiline prompt");
+		editor.setText("draft");
+		editor.handleInput("\x1b[D");
+		editor.handleInput("\x1b[D");
+
+		editor.handleInput("\x10"); // Ctrl+P
+		assert.strictEqual(editor.getText(), "newer\nmultiline prompt");
+		assert.deepStrictEqual(editor.getCursor(), { line: 0, col: 0 });
+
+		editor.handleInput("\x10"); // Ctrl+P
+		assert.strictEqual(editor.getText(), "older prompt");
+
+		editor.handleInput("\x0e"); // Ctrl+N
+		assert.strictEqual(editor.getText(), "newer\nmultiline prompt");
+		assert.deepStrictEqual(editor.getCursor(), { line: 1, col: 16 });
+
+		editor.handleInput("\x0e"); // Ctrl+N
+		assert.strictEqual(editor.getText(), "draft");
+		assert.deepStrictEqual(editor.getCursor(), { line: 0, col: 3 });
+	});
+});