From 7cb809fad248fc3a9def9b7b56b6c75db56a8276 Mon Sep 17 00:00:00 2001
From: Levi Neely <141506390+lneely@users.noreply.github.com>
Date: Mon, 3 Aug 2026 00:41:49 +0200
Subject: [PATCH] revert all system-user-interruption changes

---
 gui/chatblockmodel.cpp | 29 +++--------------------------
 1 file changed, 3 insertions(+), 26 deletions(-)

diff --git a/gui/chatblockmodel.cpp b/gui/chatblockmodel.cpp
index 9b70b55..b71eb67 100644
--- a/gui/chatblockmodel.cpp
+++ b/gui/chatblockmodel.cpp
@@ -193,41 +193,18 @@ QString ChatBlockModel::highlightCode(const QString &code, const QString &langua
 
 QString ChatBlockModel::renderMarkdown(const QString &markdown) const
 {
-    // Pre-process: render <system-user-interruption> blocks as styled boxes.
-    // Manual global-match loop instead of replace-with-lambda, which requires
-    // Qt 6.5+ and isn't available on all target systems.
-    static const QRegularExpression interruptionRe(
-        R"(<system-user-interruption>\n([\s\S]*?)\n</system-user-interruption>)");
-    QString processed;
-    {
-        int cursor = 0;
-        auto it = interruptionRe.globalMatch(markdown);
-        while (it.hasNext()) {
-            const auto match = it.next();
-            processed += markdown.mid(cursor, match.capturedStart() - cursor);
-            const QString content = match.captured(1).toHtmlEscaped();
-            processed += QStringLiteral(
-                "<div style=\"background:#fff8e1;border:1px solid #ffca28;"
-                "border-radius:4px;padding:8px;margin:8px 0;white-space:pre-wrap;\">"
-                "\u26A0\uFE0F <strong>User interruption</strong>\n")
-                + content + QStringLiteral("</div>");
-            cursor = match.capturedEnd();
-        }
-        processed += markdown.mid(cursor);
-    }
-
     static const QRegularExpression fenceRe(
         R"(```([A-Za-z0-9_+.-]*)[^\n]*\n([\s\S]*?)\n```(\n|$))");
 
     QString result;
     int cursor = 0;
-    auto it = fenceRe.globalMatch(processed);
+    auto it = fenceRe.globalMatch(markdown);
     while (it.hasNext()) {
         const auto match = it.next();
         // Prose before this fence: HTML-escape and wrap in pre-wrap div to
         // preserve newlines and whitespace. QTextDocument::setMarkdown would
         // collapse single newlines (standard Markdown behavior).
-        const QString prose = processed.mid(cursor, match.capturedStart() - cursor);
+        const QString prose = markdown.mid(cursor, match.capturedStart() - cursor);
         if (!prose.isEmpty())
             result += QStringLiteral("<div style=\"white-space:pre-wrap\">")
                 + prose.toHtmlEscaped() + QStringLiteral("</div>");
@@ -241,7 +218,7 @@ QString ChatBlockModel::renderMarkdown(const QString &markdown) const
     static const QRegularExpression openFenceRe(
         R"(^```([A-Za-z0-9_+.-]*)[^\n]*\n([\s\S]*)$)",
         QRegularExpression::MultilineOption);
-    const auto tail = processed.mid(cursor);
+    const auto tail = markdown.mid(cursor);
     if (!tail.isEmpty()) {
         const auto open = openFenceRe.match(tail);
         if (open.hasMatch()) {