feat: live reading during the speed test, and a 15 s limit that keeps what was measured

internal/server/server.go

@@ -55,6 +55,7 @@ type Server struct {
 
 	stats  statCache   // last load sample per agent, for the status page
 	relays speedRelays // speed tests that run through the browser
+	meters speedMeters // byte counts of the speed tests under way
 }
 
 // New builds the server, parsing embedded templates.
@@ -234,6 +235,7 @@ func (s *Server) Handler() http.Handler {
 	mux.Handle("GET /api/panel/agents/presence", s.requireAdmin(s.handlePresence))
 	mux.Handle("GET /api/panel/agents/{id}/stat", s.requireAdmin(s.handleAgentStat))
 	mux.Handle("POST /api/panel/agents/{id}/speed", s.requireAdmin(s.handleAgentSpeed))
+	mux.Handle("GET /api/panel/agents/{id}/speed/progress", s.requireAdmin(s.handleSpeedProgress))
 	mux.Handle("GET /api/panel/ping", s.requireAdmin(s.handlePanelPing))
 	mux.Handle("POST /api/panel/agents/{id}/speed/relay", s.requireAdmin(s.handleSpeedRelayOpen))
 	mux.Handle("POST /api/panel/agents/{id}/speed/down", s.requireAdmin(s.handleSpeedRelayFeed))