Merge branch 'main' into sb/zen-helpsb/zen-help

- Combine HelpCommand (this branch) with HistoryCommand (main) in zen CLI dispatcher
- Keep filter-aware TuiPickOne rewrite; adopt main's ASCII arrow glyphs in doc comment

1 files changed, 55 insertions, 0 deletions

diff --git a/src/zen/zenserviceclient.cpp b/src/zen/zenserviceclient.cpp
new file mode 100644
index 000000000..87d0a6c26
--- /dev/null
+++ b/src/zen/zenserviceclient.cpp
@@ -0,0 +1,55 @@
+// Copyright Epic Games, Inc. All Rights Reserved.
+
+#include "zenserviceclient.h"
+
+#include "zen.h"
+
+#include <zencore/logging.h>
+#include <zencore/logging/broadcastsink.h>
+#include <zencore/session.h>
+#include <zenutil/logging.h>
+
+namespace zen {
+
+ZenServiceClient::ZenServiceClient(Options Opts)
+: m_HostSpec(ZenCmdBase::ResolveTargetHostSpec(Opts.HostSpec))
+, m_Http(ZenCmdBase::CreateHttpClient(m_HostSpec, Opts.HttpSettings))
+{
+	if (m_HostSpec.empty())
+	{
+		throw OptionParseException("Unable to resolve server specification", {});
+	}
+
+	SessionsServiceClient::Options SessionOpts{
+		.TargetUrl = m_HostSpec,
+		.AppName   = "zen",
+		.Mode	   = std::move(Opts.CommandName),
+		.SessionId = GetSessionId(),
+	};
+
+	// For unix socket connections, forward the socket path to the sessions client
+	if (ZenCmdBase::IsUnixSocketSpec(m_HostSpec))
+	{
+		SessionOpts.TargetUrl					  = "http://localhost";
+		SessionOpts.ClientSettings.UnixSocketPath = m_HostSpec.substr(7);  // strip "unix://"
+	}
+
+	m_Sessions = std::make_unique<SessionsServiceClient>(std::move(SessionOpts));
+	m_Sessions->Announce();
+
+	m_LogSink = m_Sessions->CreateLogSink();
+	GetDefaultBroadcastSink()->AddSink(m_LogSink);
+}
+
+ZenServiceClient::~ZenServiceClient()
+{
+	if (m_LogSink)
+	{
+		if (Ref<logging::BroadcastSink> Broadcast = GetDefaultBroadcastSink())
+		{
+			Broadcast->RemoveSink(m_LogSink);
+		}
+	}
+}
+
+}  // namespace zen