From 01e2536879ebfcfad1a43bc91461849a894d8d7e Mon Sep 17 00:00:00 2001
From: Mario Zechner <badlogicgames@gmail.com>
Date: Mon, 27 Apr 2026 21:49:46 +0200
Subject: [PATCH] fix(coding-agent): prevent wrapped padding in HTML export

---
 packages/coding-agent/CHANGELOG.md                        | 4 ++++
 packages/coding-agent/src/core/export-html/template.css   | 2 +-
 packages/coding-agent/test/export-html-whitespace.test.ts | 1 +
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/coding-agent/CHANGELOG.md b/packages/coding-agent/CHANGELOG.md
index 3c5248f4..daceed30 100644
--- a/packages/coding-agent/CHANGELOG.md
+++ b/packages/coding-agent/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Fixed
+
+- Fixed HTML export preserving ANSI-renderer trailing padding as extra blank wrapped lines.
+
 ## [0.70.4] - 2026-04-27
 
 ### Fixed
diff --git a/packages/coding-agent/src/core/export-html/template.css b/packages/coding-agent/src/core/export-html/template.css
index 4c7c5e2e..ac292311 100644
--- a/packages/coding-agent/src/core/export-html/template.css
+++ b/packages/coding-agent/src/core/export-html/template.css
@@ -555,7 +555,7 @@
     }
 
     .ansi-line {
-      white-space: pre-wrap;
+      white-space: pre;
     }
 
     .tool-images {
diff --git a/packages/coding-agent/test/export-html-whitespace.test.ts b/packages/coding-agent/test/export-html-whitespace.test.ts
index 22610df8..0f872022 100644
--- a/packages/coding-agent/test/export-html-whitespace.test.ts
+++ b/packages/coding-agent/test/export-html-whitespace.test.ts
@@ -13,6 +13,7 @@ describe("export HTML tool output whitespace", () => {
 		expect(css).toMatch(
 			/\.output-preview > div:not\(\.expand-hint\),\s*\.output-full > div:not\(\.expand-hint\) \{[\s\S]*?white-space:\s*pre-wrap;/,
 		);
+		expect(css).toMatch(/\.ansi-line\s*\{[\s\S]*?white-space:\s*pre;/);
 		expect(css).not.toMatch(/\.output-preview,\s*\.output-full\s*\{[\s\S]*?white-space:\s*pre-wrap;/);
 	});