From 032d46b2a99709253e2971da53f1a2dd8c2b189e Mon Sep 17 00:00:00 2001
From: GitHub Copilot <copilot@github.com>
Date: Sat, 24 Jan 2026 16:46:54 +0000
Subject: [PATCH] Skip empty placeholder cells in SVG rendering

Wide characters (emoji, CJK) in pyte are followed by empty placeholder
cells. Skipping these fixes Rich's SVG character positioning.
---
 src/textual_webterm/local_server.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/textual_webterm/local_server.py b/src/textual_webterm/local_server.py
index c7c1a2c..ca38d94 100644
--- a/src/textual_webterm/local_server.py
+++ b/src/textual_webterm/local_server.py
@@ -589,6 +589,10 @@ class LocalServer:
                     for char in row_data:
                         char_data = char["data"]
 
+                        # Skip empty placeholder cells (after wide characters)
+                        if not char_data:
+                            continue
+
                         # Build Rich style from pyte character attributes
                         # Convert pyte color names to Rich-compatible format
                         style_kwargs = {}