feat: Add agents and agents settings

sources/agents/AgentConfig.hpp

@@ -0,0 +1,57 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QJsonObject>
+#include <QString>
+#include <QStringList>
+
+namespace QodeAssist {
+
+struct AgentConfig
+{
+    static constexpr int kSupportedSchemaVersion = 1;
+    int schemaVersion = 1;
+    QString name;
+    QString description;
+    QString providerInstance;
+    QString model;
+    QString endpoint;
+    QString role;
+    QStringList tags;
+
+    struct Match
+    {
+        QStringList filePatterns;
+        QStringList pathPatterns;
+        QStringList projectNames;
+
+        [[nodiscard]] bool isEmpty() const noexcept
+        {
+            return filePatterns.isEmpty()
+                   && pathPatterns.isEmpty()
+                   && projectNames.isEmpty();
+        }
+    };
+    Match match;
+
+    bool enableThinking = false;
+    bool enableTools = false;
+
+    QString messageFormat;
+    QJsonObject sampling;
+    QJsonObject thinking;
+    QString context;
+    QString extendsName;
+    bool abstract = false;
+    bool hidden = false;
+
+    QString sourcePath;
+    bool overridesBundled = false;
+    bool isUserSource() const { return !sourcePath.startsWith(QLatin1StringView{":/"}); }
+
+    static QString validate(const AgentConfig &config);
+};
+
+} // namespace QodeAssist