fix(tui): replace spread-into-push in Container.render() to prevent stack overflow, closes #2651

packages/tui/CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Fixed
+
+- Fixed `Container.render()` stack overflow on long sessions by replacing `Array.push(...spread)` with a loop-based push, preventing `RangeError: Maximum call stack size exceeded` when child output exceeds the V8 call stack argument limit ([#2651](https://github.com/badlogic/pi-mono/issues/2651))
+
 ## [0.66.1] - 2026-04-08
 
 ## [0.66.0] - 2026-04-08

packages/tui/src/tui.ts

@@ -202,7 +202,10 @@ export class Container implements Component {
 	render(width: number): string[] {
 		const lines: string[] = [];
 		for (const child of this.children) {
-			lines.push(...child.render(width));
+			const childLines = child.render(width);
+			for (const line of childLines) {
+				lines.push(line);
+			}
 		}
 		return lines;
 	}