feat: Add agents and agents settings

sources/agents/AgentRouter.cpp

@@ -0,0 +1,85 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "AgentRouter.hpp"
+
+#include <QFileInfo>
+#include <QRegularExpression>
+
+#include "AgentFactory.hpp"
+
+namespace QodeAssist::AgentRouter {
+
+namespace {
+
+bool matchesAnyGlob(const QStringList &patterns, const QString &subject)
+{
+    if (subject.isEmpty())
+        return false;
+    for (const QString &pat : patterns) {
+        const QRegularExpression re(
+            QRegularExpression::anchoredPattern(
+                QRegularExpression::wildcardToRegularExpression(
+                    pat, QRegularExpression::NonPathWildcardConversion)),
+            QRegularExpression::CaseInsensitiveOption);
+        if (re.isValid() && re.match(subject).hasMatch())
+            return true;
+    }
+    return false;
+}
+
+bool matchesFilePatterns(const QStringList &patterns, const QString &filePath)
+{
+    if (patterns.isEmpty())
+        return true;
+    if (filePath.isEmpty())
+        return false;
+    const QString name = QFileInfo(filePath).fileName();
+    return matchesAnyGlob(patterns, name) || matchesAnyGlob(patterns, filePath);
+}
+
+bool matchesPathPatterns(const QStringList &patterns, const QString &filePath)
+{
+    if (patterns.isEmpty())
+        return true;
+    if (filePath.isEmpty())
+        return false;
+    return matchesAnyGlob(patterns, filePath);
+}
+
+bool matchesProjectNames(const QStringList &names, const QString &projectName)
+{
+    if (names.isEmpty())
+        return true; // dimension unconstrained
+    if (projectName.isEmpty())
+        return false;
+    // Project names are user-facing identifiers, not paths — case
+    // sensitive comparison matches what ProjectExplorer hands us.
+    return names.contains(projectName);
+}
+
+} // namespace
+
+bool matches(const AgentConfig::Match &m, const Context &ctx)
+{
+    if (m.isEmpty())
+        return true; // explicit catch-all
+    return matchesFilePatterns(m.filePatterns, ctx.filePath)
+           && matchesPathPatterns(m.pathPatterns, ctx.filePath)
+           && matchesProjectNames(m.projectNames, ctx.projectName);
+}
+
+QString pickAgent(
+    const QStringList &roster, const Context &ctx, const AgentFactory &factory)
+{
+    for (const QString &name : roster) {
+        const AgentConfig *cfg = factory.configByName(name);
+        if (!cfg)
+            continue; // stale roster entry — silently skip
+        if (matches(cfg->match, ctx))
+            return name;
+    }
+    return {};
+}
+
+} // namespace QodeAssist::AgentRouter