fix(tui): preserved prompt drafts on esc

Stopped Esc from clearing typed TUI prompt text while preserving double-Esc disarming behavior.\n\nFixes #3869

packages/coding-agent/CHANGELOG.md

@@ -192,6 +192,9 @@
 
 - Fixed status-line redraws crashing when tool-call arguments contain `BigInt` values.
 - Fixed committed native scrollback rows retaining the previous palette after committed theme switches; direct-terminal theme swaps now replay the transcript so scrolling history matches the live viewport without making theme previews destructive.
+### Fixed
+
+- Fixed Esc preserving typed TUI prompt drafts instead of clearing unrecoverable input. ([#3869](https://github.com/can1357/oh-my-pi/issues/3869))
 
 ## [16.2.7] - 2026-06-30
 

packages/coding-agent/src/modes/controllers/input-controller.ts

@@ -387,9 +387,7 @@ export class InputController {
 			} else if (this.ctx.session.isStreaming) {
 				this.#handleStreamingEscape();
 			} else if (this.ctx.editor.getText().trim()) {
-				// Esc with typed text clears the draft instead of (or before) any double-Esc action
-				this.ctx.editor.setText("");
-				this.ctx.ui.requestRender();
+				// Esc must not destroy an in-progress draft; it only disarms a previous empty-editor Esc.
 				this.ctx.lastEscapeTime = 0;
 				this.#clearStreamingEscapeArm();
 			} else {

packages/coding-agent/test/input-controller-escape.test.ts

@@ -672,7 +672,7 @@ describe("InputController escape behavior", () => {
 		expect(ctx.showTreeSelector).not.toHaveBeenCalled();
 		expect(spies.resetDisplay).toHaveBeenCalledTimes(1);
 	});
-	it("clears typed editor text on Esc without opening selectors or aborting", () => {
+	it("preserves typed editor text on Esc without opening selectors or aborting", () => {
 		const { ctx, editor, spies } = createContext();
 		const controller = new InputController(ctx);
 
@@ -680,24 +680,26 @@ describe("InputController escape behavior", () => {
 		editor.setText("draft message");
 		editor.onEscape?.();
 
-		expect(editor.getText()).toBe("");
-		expect(spies.requestRender).toHaveBeenCalledTimes(1);
+		expect(editor.getText()).toBe("draft message");
+		expect(spies.requestRender).not.toHaveBeenCalled();
 		expect(ctx.showTreeSelector).not.toHaveBeenCalled();
 		expect(ctx.showUserMessageSelector).not.toHaveBeenCalled();
 		expect(spies.resetDisplay).not.toHaveBeenCalled();
 		expect(spies.abort).not.toHaveBeenCalled();
 	});
 
-	it("does not treat the Esc after a text-clearing Esc as a double-Esc", () => {
+	it("does not treat the Esc after a text-preserving Esc as a double-Esc", () => {
 		const { ctx, editor } = createContext();
 		const controller = new InputController(ctx);
 
 		controller.setupKeyHandlers();
 		editor.onEscape?.(); // empty editor: arms double-Esc timer
 		editor.setText("draft");
-		editor.onEscape?.(); // clears text, must also reset the timer
+		editor.onEscape?.(); // preserves text, must also reset the timer
+		editor.setText("");
 		editor.onEscape?.(); // empty again: should only re-arm, not trigger
 
+		expect(ctx.showTreeSelector).not.toHaveBeenCalled();
 		expect(ctx.showUserMessageSelector).not.toHaveBeenCalled();
 	});
 });