ViewModels — index

MVVM layer. See schema.md for the memory-map conventions.

File	Purpose
`MainViewModel.cs`	The app brain: scenes/sources collections + commands, stream state (`IsLive`/`IsOffline`/`IsConnected`), chat feed, overlays, layout save/open, resolution dropdown (`QualityOptions`, `SelectedQuality`, `ResolutionHelp`, `ApplyStreamQuality`) that computes the output rect over the 1920×1080 master (`OutputRectX/Y/W/H`, `DimRects`, `IsOutputCropped`, `ResolutionBadgeText`)
`GoLiveViewModel.cs`	Start Stream dialog: title/description/visibility, start/cancel requests
`ReuseImageViewModel.cs`	Add Image dialog: candidate list (`ReuseImageCandidate`), reuse/new/cancel

Related: Models/index.md for the data; Services/index.md for what the ViewModels drive; base class in Helpers/ViewModelBase.cs.