chore: restructure llm plugin to be more coherent & fix various bugs in llm ui

Plugins/ZShell/Llm/webfetchtool.hpp

@@ -20,19 +20,17 @@ class WebFetchTool : public LlmTool {
 	static constexpr int MaxResponseBytes = 5 * 1024 * 1024;
 	static constexpr int DefaultTimeoutSeconds = 30;
 	static constexpr int MaxTimeoutSeconds = 120;
-	static const QString StoragePath;
 
-	explicit WebFetchTool(QObject* parent = nullptr);
+	explicit WebFetchTool(ToolRegistry* registry, QObject* parent = nullptr);
 	~WebFetchTool() override;
 
 	QString name() const override;
 	QString description() const override;
 	QJsonObject parameters() const override;
 	void execute(
-		const QString& toolCallId,
+		const ToolContext& context,
 		const QJsonObject& args,
-		int outputBudgetChars,
-		std::function<void(const QJsonObject& result)> done) override;
+		ToolDone done) override;
 	void cancel() override;
 
 	static QString extractTextFromHtml(const QString& html);
@@ -46,11 +44,12 @@ class WebFetchTool : public LlmTool {
 		bool tooLarge = false;
 		QString format;
 		QString toolCallId;
+		QString storagePath;
 		int budgetChars = 0;
-		std::function<void(const QJsonObject& result)> done;
+		ToolDone done;
 	};
 
-	void completeJob(Job* job, QJsonObject result);
+	void completeJob(Job* job, ToolResult result);
 	QString saveToFile(
 		const Job& job, const QString& content, const QString& mime) const;