Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 123]

Nyodau
Nbackend
Cpoint	Point in percentage-based image coordinates
Cline	Polyline / polygon described in percentage coordinates
Cstream	Represents a single video stream and its analytic connections
Cevent	Generic event produced by the backend
Cframe	Video frame container
Ccli_client	Simple interactive CLI (REPL) for controlling a stream_manager
Cstream_manager	Central coordinator for streams, geometry, frame processing and events
Cboard	Main stream layout widget: grid plus optional focused view
Ccontroller	Frontend coordinator for streams, lines, templates, and events
Ctpl_line	Stored template geometry (percentage coordinates)
Cgrid_view	Scrollable grid of stream thumbnails
Cicon_loader	Utility for loading icons with theme support and fallbacks
Cmain_window	Application main window with board and settings panel
Cmain_window_tests
Csettings_panel	Side panel that exposes stream and line controls to the user
Cstream_cell	Widget representing one video stream cell in the frontend
Cline_instance	Instance of a persistent (saved) line to be rendered on the stream
Cevent_instance	Instance of a transient visual event marker
Chit_info	Hit info attached to a line highlight