From df41aad5cb41fb1f134d2bff1e259bcb01400aa8 Mon Sep 17 00:00:00 2001
From: Levi Neely <141506390+lneely@users.noreply.github.com>
Date: Sat, 1 Aug 2026 10:19:22 +0200
Subject: [PATCH] trim chat to last 30 blocks on initial load and session
 switch

---
 gui/chatblockmodel.cpp | 11 +++++++++++
 gui/chatblockmodel.h   |  1 +
 gui/main.qml           | 10 ++++++++--
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/gui/chatblockmodel.cpp b/gui/chatblockmodel.cpp
index 27668db..b581365 100644
--- a/gui/chatblockmodel.cpp
+++ b/gui/chatblockmodel.cpp
@@ -73,6 +73,17 @@ void ChatBlockModel::reset()
     emit countChanged();
 }
 
+void ChatBlockModel::trimFront(int keepCount)
+{
+    if (m_blocks.size() <= keepCount)
+        return;
+    int removeCount = m_blocks.size() - keepCount;
+    beginRemoveRows(QModelIndex(), 0, removeCount - 1);
+    m_blocks.remove(0, removeCount);
+    endRemoveRows();
+    emit countChanged();
+}
+
 void ChatBlockModel::processLine(const QString &line)
 {
     QRegularExpressionMatch m = s_headerRe.match(line);
diff --git a/gui/chatblockmodel.h b/gui/chatblockmodel.h
index 11ffc7f..0c4ace0 100644
--- a/gui/chatblockmodel.h
+++ b/gui/chatblockmodel.h
@@ -43,6 +43,7 @@ public:
 
     Q_INVOKABLE void appendData(const QString &text);
     Q_INVOKABLE void reset();
+    Q_INVOKABLE void trimFront(int keepCount);
 
 signals:
     void countChanged();
diff --git a/gui/main.qml b/gui/main.qml
index 8a29a81..acd36d4 100644
--- a/gui/main.qml
+++ b/gui/main.qml
@@ -61,7 +61,10 @@ ApplicationWindow {
 
     Component.onCompleted: {
         var log = ollie.readLog()
-        if (log) chatModel.appendData(log)
+        if (log) {
+            chatModel.appendData(log)
+            chatModel.trimFront(30)
+        }
     }
 
     Connections {
@@ -69,7 +72,10 @@ ApplicationWindow {
         function onActiveSessionIdChanged() {
             chatModel.reset()
             var log = ollie.readLog()
-            if (log) chatModel.appendData(log)
+            if (log) {
+                chatModel.appendData(log)
+                chatModel.trimFront(30)
+            }
         }
         function onStreamingDone() {
             chatModel.appendData("\n[info]\nsession ended\n")