better chat list view + anchor to bottom. sqlite db for chats + LIFO-ordered

Plugins/ZShell/Llm/chatstore.hpp

@@ -7,9 +7,9 @@
 #include <QString>
 #include <QVariantList>
 
-namespace ZShell {
+namespace ZShell::llm {
 
-class Chat;
+class LlmClient;
 
 class ChatStore : public QObject {
 	Q_OBJECT
@@ -20,19 +20,22 @@ class ChatStore : public QObject {
 
 	public:
 	explicit ChatStore(QObject* parent = nullptr);
-	~ChatStore();
+	~ChatStore() override;
 
 	[[nodiscard]] int count() const;
 	[[nodiscard]] QVariantList values() const;
 	[[nodiscard]] ChatSession* at(int index) const;
 
-	Q_INVOKABLE ChatSession* insert(int index = -1);
+	Q_INVOKABLE ZShell::llm::ChatSession* insert(int index = -1);
 	Q_INVOKABLE void remove(int index);
-	Q_INVOKABLE void remove(ChatSession* chat);
+	Q_INVOKABLE void remove(ZShell::llm::ChatSession* chat);
 	Q_INVOKABLE void move(int from, int to);
 	Q_INVOKABLE void clear();
 
 	[[nodiscard]] ChatSession* sessionById(const QString& id);
+	[[nodiscard]] LlmClient* llmClient() const { return m_llmClient; }
+	void setLlmClient(LlmClient* client);
+
 	void persist(ChatSession* session);
 	void saveMeta(ChatSession* session);
 	void loadMessagesInto(ChatSession* session);
@@ -40,6 +43,7 @@ class ChatStore : public QObject {
 	Q_SIGNALS:
 	void countChanged();
 	void valuesChanged();
+	void sessionRemoved(ZShell::llm::ChatSession* session);
 
 	private:
 	void openDb();
@@ -50,11 +54,10 @@ class ChatStore : public QObject {
 	void notify(const QList<ChatSession*>& before);
 
 	QList<ChatSession*> m_sessions;
+	LlmClient* m_llmClient = nullptr;
 	QString m_connectionName;
 
 	[[nodiscard]] QSqlDatabase db() const;
-
-	friend class Chat;
 };
 
-} // namespace ZShell
+} // namespace ZShell::llm