feat: Add skills feature for tool and chat calling (#351)

settings/SkillsSettings.cpp

@@ -0,0 +1,135 @@
+// Copyright (C) 2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "SkillsSettings.hpp"
+
+#include <coreplugin/dialogs/ioptionspage.h>
+#include <coreplugin/icore.h>
+#include <utils/layoutbuilder.h>
+
+#include <QDir>
+#include <QLabel>
+#include <QListWidget>
+
+#include "SettingsConstants.hpp"
+#include "SettingsTr.hpp"
+#include "sources/skills/SkillsLoader.hpp"
+
+namespace QodeAssist::Settings {
+
+SkillsSettings &skillsSettings()
+{
+    static SkillsSettings settings;
+    return settings;
+}
+
+QStringList SkillsSettings::splitLines(const QString &value)
+{
+    QStringList lines;
+    const auto parts = value.split('\n', Qt::SkipEmptyParts);
+    for (const QString &part : parts) {
+        const QString trimmed = part.trimmed();
+        if (!trimmed.isEmpty())
+            lines << trimmed;
+    }
+    return lines;
+}
+
+QStringList SkillsSettings::splitPaths(const QString &value)
+{
+    QStringList paths;
+    for (QString path : splitLines(value)) {
+        if (path == QLatin1String("~"))
+            path = QDir::homePath();
+        else if (path.startsWith(QLatin1String("~/")))
+            path = QDir::homePath() + path.mid(1);
+        paths << QDir::cleanPath(path);
+    }
+    return paths;
+}
+
+SkillsSettings::SkillsSettings()
+{
+    setAutoApply(false);
+
+    setDisplayName(Tr::tr("Skills"));
+
+    enableSkills.setSettingsKey(Constants::SK_ENABLE_SKILLS);
+    enableSkills.setLabelText(Tr::tr("Enable skills"));
+    enableSkills.setToolTip(
+        Tr::tr("Discover Agent Skills from the configured skill directories and expose them "
+               "to the chat assistant. Each skill is a folder containing a SKILL.md file."));
+    enableSkills.setDefaultValue(true);
+
+    const QString defaultGlobalRoots
+        = Core::ICore::userResourcePath().toFSPathString() + "/qodeassist/skills\n"
+          + QDir::homePath() + "/.claude/skills";
+
+    globalSkillRoots.setSettingsKey(Constants::SK_GLOBAL_SKILL_ROOTS);
+    globalSkillRoots.setLabelText(Tr::tr("Global skill directories:"));
+    globalSkillRoots.setDisplayStyle(Utils::StringAspect::TextEditDisplay);
+    globalSkillRoots.setToolTip(
+        Tr::tr("Absolute paths scanned for skills, one per line. Each path is a directory "
+               "whose subfolders contain SKILL.md files. A leading ~ expands to your home "
+               "directory. Lets QodeAssist pick up skills shared with other agents "
+               "(e.g. ~/.claude/skills)."));
+    globalSkillRoots.setDefaultValue(defaultGlobalRoots);
+
+    readSettings();
+
+    setLayouter([this]() {
+        using namespace Layouting;
+
+        auto skillsList = new QListWidget;
+        skillsList->setSelectionMode(QAbstractItemView::NoSelection);
+        skillsList->setMaximumHeight(160);
+
+        auto refreshSkills = [skillsList, this] {
+            skillsList->clear();
+            const QVector<Skills::AgentSkill> skills
+                = Skills::SkillsLoader::scan(splitPaths(globalSkillRoots()));
+            for (const Skills::AgentSkill &skill : skills) {
+                auto *item = new QListWidgetItem(
+                    QStringLiteral("%1  —  %2").arg(skill.name, skill.description), skillsList);
+                item->setToolTip(skill.skillDir);
+            }
+            if (skills.isEmpty())
+                new QListWidgetItem(Tr::tr("No skills discovered."), skillsList);
+        };
+        refreshSkills();
+        connect(&globalSkillRoots, &Utils::BaseAspect::changed, skillsList, refreshSkills);
+
+        return Column{
+            Group{
+                title(Tr::tr("Skills")),
+                Column{
+                    Row{enableSkills, Stretch{1}},
+                },
+            },
+            Group{
+                title(Tr::tr("Skill Directories")),
+                Column{
+                    globalSkillRoots,
+                    new QLabel(Tr::tr("Discovered global skills:")),
+                    skillsList,
+                },
+            },
+            Stretch{1}};
+    });
+}
+
+class SkillsSettingsPage : public Core::IOptionsPage
+{
+public:
+    SkillsSettingsPage()
+    {
+        setId(Constants::QODE_ASSIST_SKILLS_SETTINGS_PAGE_ID);
+        setDisplayName(Tr::tr("Skills"));
+        setCategory(Constants::QODE_ASSIST_GENERAL_OPTIONS_CATEGORY);
+        setSettingsProvider([] { return &skillsSettings(); });
+    }
+};
+
+const SkillsSettingsPage skillsSettingsPage;
+
+} // namespace QodeAssist::Settings