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[feat] add MCP terminal views and agent cursor overlays

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This commit is contained in:
dijunkun
2026-11-03 03:00:57 +08:00
parent f57b4cc4e3
commit e1ae449d36
19 changed files with 576 additions and 25 deletions
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apps/cli/video_server.cpp
+27 -1
View File
@@ -57,6 +57,7 @@ struct VideoServer::State {
struct Client {
std::string origin, view, session;
uint64_t view_generation = 0;
uint64_t cursor_revision = 0;
bool authorized = false, waiting_key = true;
size_t bytes = 0;
Clock::time_point opened = Clock::now(), pinged = Clock::now();
@@ -93,6 +94,8 @@ struct VideoServer::State {
std::deque<Packet> queue;
size_t queued_bytes = 0;
bool scheduled = false, wait_key = true;
json cursor;
uint64_t cursor_revision = 0;
State() {
server.clear_access_channels(websocketpp::log::alevel::all);
@@ -250,10 +253,17 @@ struct VideoServer::State {
}
void Maintain() {
timer = server.set_timer(
250, [this](const websocketpp::lib::error_code &error) {
33, [this](const websocketpp::lib::error_code &error) {
if (error)
return;
const auto now = Clock::now();
std::string pointer;
uint64_t revision;
{
std::lock_guard lock(mutex);
revision = cursor_revision;
if (!cursor.is_null()) pointer = cursor.dump();
}
for (auto it = tickets.begin(); it != tickets.end();)
if (it->second.expires <= now)
it = tickets.erase(it);
@@ -261,6 +271,16 @@ struct VideoServer::State {
++it;
std::vector<Handle> close;
for (auto &[h, c] : clients) {
if (c.authorized && c.cursor_revision != revision && !pointer.empty()) {
websocketpp::lib::error_code ec;
auto connection = server.get_con_from_hdl(h, ec);
// Coalesce pointer changes while a viewer is backpressured.
if (!ec && connection->get_buffered_amount() < 256 * 1024) {
server.send(h, pointer, websocketpp::frame::opcode::TEXT, ec);
if (!ec) c.cursor_revision = revision;
}
if (ec) close.push_back(h);
}
if ((!c.authorized && now - c.opened >= 3s) ||
(!c.receipts.empty() && now - c.receipts.front().sent >= 10s)) {
close.push_back(h);
@@ -468,6 +488,12 @@ void VideoServer::Submit(EncodedVideoFrame frame) {
if (Enabled())
state_->Enqueue({{}, std::move(frame)});
}
void VideoServer::Cursor(json cursor) {
auto &s = *state_;
std::lock_guard lock(s.mutex);
s.cursor = std::move(cursor);
++s.cursor_revision;
}
json VideoServer::Status() const {
const auto &s = *state_;
std::lock_guard lock(s.mutex);