From c0a104e84297d5272e87da0aa9382696fdef45b9 Mon Sep 17 00:00:00 2001
From: NineKey <ninekey1028@gmail.com>
Date: Sun, 13 Sep 2026 20:49:27 +0800
Subject: [PATCH] Keep trailing prompt text in place during weighting

---
 web/dynamic_loader.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/web/dynamic_loader.js b/web/dynamic_loader.js
index dcf3833..dbc8e83 100644
--- a/web/dynamic_loader.js
+++ b/web/dynamic_loader.js
@@ -358,7 +358,13 @@ app.registerExtension({
                     while ((current = walker.nextNode())) {
                         if (current.nodeType === Node.TEXT_NODE) {
                             const length = current.nodeValue.length;
-                            if (remaining <= length) {
+                            // At an exact text-node boundary prefer the next
+                            // DOM position.  A range ending inside the prior
+                            // node is visually equivalent, but Chromium can
+                            // split a contenteditable line there while
+                            // replacing it and move the following punctuation
+                            // onto a new line.
+                            if (remaining < length) {
                                 const range = document.createRange();
                                 const chip = current.parentElement?.closest(".dynamic-tag-chip");
                                 if (chip && remaining === 0) range.setStartBefore(chip);