feat: add support acp in common chat (#369)

sources/acp/AgentSpawn.cpp

@@ -0,0 +1,76 @@
+// Copyright (C) 2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
+
+#include "AgentSpawn.hpp"
+
+#include <QCoreApplication>
+#include <QDir>
+
+#include <extensionsystem/pluginmanager.h>
+#include <extensionsystem/pluginspec.h>
+#include <projectexplorer/project.h>
+#include <projectexplorer/projectmanager.h>
+
+#include <LLMQore/AcpClient.hpp>
+
+#include "acp/AgentLaunch.hpp"
+#include "settings/AgentsSettings.hpp"
+
+namespace QodeAssist::Acp {
+
+namespace {
+
+LLMQore::Acp::Implementation clientIdentity()
+{
+    QString version;
+    for (const ExtensionSystem::PluginSpec *spec : ExtensionSystem::PluginManager::plugins()) {
+        if (spec->name() == QLatin1String("QodeAssist")) {
+            version = spec->version();
+            break;
+        }
+    }
+    return {QStringLiteral("QodeAssist"), version, QStringLiteral("QodeAssist")};
+}
+
+} // namespace
+
+QString agentWorkingDirectory()
+{
+    if (const ProjectExplorer::Project *project = ProjectExplorer::ProjectManager::startupProject())
+        return project->projectDirectory().path();
+    return QDir::homePath();
+}
+
+AgentProcess spawnAgent(const AgentDefinition &agent, const QString &cwd, QObject *parent)
+{
+    auto config = agentLaunchConfig(agent, cwd);
+    if (!config)
+        return {};
+
+    auto &settings = Settings::agentsSettings();
+    applyExtraSearchPaths(*config, splitSearchPaths(settings.agentExtraPaths.volatileValue()));
+    applyForwardedEnvironment(
+        *config, splitVariableNames(settings.agentForwardedVariables.volatileValue()));
+
+    auto *transport = config->createTransport(nullptr);
+    auto *client = new LLMQore::Acp::AcpClient(transport, clientIdentity(), parent);
+    transport->setParent(client);
+
+    return {client, config->command};
+}
+
+QString runnerHint(const QString &command)
+{
+    if (command.endsWith(QLatin1String("npx"))) {
+        return QCoreApplication::translate(
+            "QtC::QodeAssist", "Make sure Node.js is installed and 'npx' is on PATH.");
+    }
+    if (command.endsWith(QLatin1String("uvx"))) {
+        return QCoreApplication::translate(
+            "QtC::QodeAssist", "Make sure uv is installed and 'uvx' is on PATH.");
+    }
+    return {};
+}
+
+} // namespace QodeAssist::Acp