diff --git a/packages/pi-tui/src/tui.ts b/packages/pi-tui/src/tui.ts
index 7f4bb999c..8e2c65a3f 100644
--- a/packages/pi-tui/src/tui.ts
+++ b/packages/pi-tui/src/tui.ts
@@ -8,7 +8,7 @@ import * as path from "node:path";
 import { isKeyRelease, matchesKey } from "./keys.js";
 import type { Terminal } from "./terminal.js";
 import { getCapabilities, isImageLine, setCellDimensions } from "./terminal-image.js";
-import { extractSegments, sliceByColumn, sliceWithWidth, visibleWidth } from "./utils.js";
+import { extractSegments, sliceByColumn, sliceWithWidth, truncateToWidth, visibleWidth } from "./utils.js";
 
 /**
  * Component interface - all components must implement this
@@ -1069,35 +1069,10 @@ export class TUI extends Container {
 		for (let i = firstChanged; i <= renderEnd; i++) {
 			if (i > firstChanged) buffer += "\r\n";
 			buffer += "\x1b[2K"; // Clear current line
-			const line = newLines[i];
+			let line = newLines[i];
 			const isImage = isImageLine(line);
 			if (!isImage && visibleWidth(line) > width) {
-				// Log all lines to crash file for debugging
-				const crashLogPath = path.join(os.homedir(), ".pi", "agent", "pi-crash.log");
-				const crashData = [
-					`Crash at ${new Date().toISOString()}`,
-					`Terminal width: ${width}`,
-					`Line ${i} visible width: ${visibleWidth(line)}`,
-					"",
-					"=== All rendered lines ===",
-					...newLines.map((l, idx) => `[${idx}] (w=${visibleWidth(l)}) ${l}`),
-					"",
-				].join("\n");
-				fs.mkdirSync(path.dirname(crashLogPath), { recursive: true });
-				fs.writeFileSync(crashLogPath, crashData);
-
-				// Clean up terminal state before throwing
-				this.stop();
-
-				const errorMsg = [
-					`Rendered line ${i} exceeds terminal width (${visibleWidth(line)} > ${width}).`,
-					"",
-					"This is likely caused by a custom TUI component not truncating its output.",
-					"Use visibleWidth() to measure and truncateToWidth() to truncate lines.",
-					"",
-					`Debug log written to: ${crashLogPath}`,
-				].join("\n");
-				throw new Error(errorMsg);
+				line = truncateToWidth(line, width);
 			}
 			buffer += line;
 		}