feat: Add session layout

sources/Session/Message.cpp

@@ -0,0 +1,30 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "Message.hpp"
+
+namespace QodeAssist {
+
+QString Message::text() const
+{
+    QString out;
+    for (const auto &block : m_blocks) {
+        if (auto *t = dynamic_cast<LLMQore::TextContent *>(block.get())) {
+            if (!out.isEmpty())
+                out += QStringLiteral("\n\n");
+            out += t->text();
+        }
+    }
+    return out;
+}
+
+bool Message::hasToolUse() const
+{
+    for (const auto &block : m_blocks) {
+        if (dynamic_cast<LLMQore::ToolUseContent *>(block.get()))
+            return true;
+    }
+    return false;
+}
+
+} // namespace QodeAssist