fix(coding-agent): guarded pasted shell prompts from python

- Detected copied shell-prompt transcripts before the Python shortcut router.
- Forwarded OMP terminal chrome pastes through normal prompt submission.
- Added regression coverage for the #4678 transcript shape.

Fixes #4678

packages/coding-agent/test/input-controller-python-prefix.test.ts

@@ -109,6 +109,36 @@ describe("InputController Python prompt prefix", () => {
 		]);
 	});
 
+	it("submits pasted shell-prompt transcripts with OMP chrome as a normal prompt", async () => {
+		const transcript =
+			"$ cd ~/project && sudo ./build-and-push.sh o5.7 2>&1 | tail -4\n" +
+			" |\n" +
+			" in: 282  out: 152  cache 344K  t: 3.3s  tok/s: 351.9/s\n" +
+			" is this command stuck in limbo";
+		const { ctx, editor, handlePythonCommand, onInputCallback, startPendingSubmission, submitted } = createContext();
+		const controller = new InputController(ctx);
+		controller.setupEditorSubmitHandler();
+
+		await editor.onSubmit?.(transcript);
+
+		expect(handlePythonCommand).not.toHaveBeenCalled();
+		expect(startPendingSubmission).toHaveBeenCalledWith({
+			text: transcript,
+			images: undefined,
+			imageLinks: undefined,
+			streamingBehavior: "steer",
+		});
+		expect(onInputCallback).toHaveBeenCalledTimes(1);
+		expect(submitted).toEqual([
+			{
+				text: transcript,
+				images: undefined,
+				imageLinks: undefined,
+				streamingBehavior: "steer",
+			},
+		]);
+	});
+
 	it("keeps space-separated Python shortcuts available", async () => {
 		const { ctx, editor, handlePythonCommand, onInputCallback } = createContext();
 		const controller = new InputController(ctx);