new chatlistview component, file attachments, performance & primitive test

Plugins/ZShell/Llm/chat.hpp

@@ -29,7 +29,12 @@ class Chat : public QObject {
 	Q_PROPERTY(
 		bool toolsEnabled READ toolsEnabled WRITE setToolsEnabled NOTIFY
 			toolsEnabledChanged)
-	Q_PROPERTY(QString lastError READ lastError NOTIFY lastErrorChanged)
+	Q_PROPERTY(
+		bool sandboxEnabled READ sandboxEnabled WRITE setSandboxEnabled NOTIFY
+			sandboxEnabledChanged)
+	Q_PROPERTY(bool error READ error NOTIFY errorChanged)
+	Q_PROPERTY(QString errorMessage READ errorMessage NOTIFY errorChanged)
+	Q_PROPERTY(QString serverError READ serverError NOTIFY serverErrorChanged)
 	Q_PROPERTY(ZShell::llm::ChatStore* chats READ chats CONSTANT)
 	Q_PROPERTY(
 		QString streamingChatId READ streamingChatId NOTIFY
@@ -45,7 +50,11 @@ class Chat : public QObject {
 	[[nodiscard]] int contextSize() const;
 	[[nodiscard]] bool toolsEnabled() const;
 	void setToolsEnabled(bool value);
-	[[nodiscard]] QString lastError() const { return m_lastError; }
+	[[nodiscard]] bool sandboxEnabled() const;
+	void setSandboxEnabled(bool value);
+	[[nodiscard]] bool error() const { return m_hasError; }
+	[[nodiscard]] QString errorMessage() const { return m_errorMessage; }
+	[[nodiscard]] QString serverError() const;
 	[[nodiscard]] ChatStore* chats() const { return m_store; }
 	[[nodiscard]] QString streamingChatId() const;
 
@@ -64,14 +73,17 @@ class Chat : public QObject {
 	void availableModelsChanged();
 	void contextSizeChanged();
 	void toolsEnabledChanged();
+	void sandboxEnabledChanged();
 	void errorOccurred(const QString& message);
-	void lastErrorChanged();
+	void errorChanged();
+	void serverErrorChanged();
 	void streamingChatIdChanged();
 
 	private:
 	ChatStore* m_store = nullptr;
 	LlmClient* m_client = nullptr;
-	QString m_lastError;
+	bool m_hasError = false;
+	QString m_errorMessage;
 
 	static Chat* s_instance;
 };