Retire legacy implementations and flatten managed layout

README.md

@@ -11,10 +11,10 @@ extension captures ReplayKit application audio.
 ## Build
 
 ```bash
-./dotnet/build-native.ps1
-dotnet restore dotnet/VoiceCat.slnx --locked-mode
-dotnet build dotnet/VoiceCat.slnx -c Release --no-restore
-dotnet test dotnet/VoiceCat.slnx -c Release --no-build
+./scripts/build-native.ps1
+dotnet restore VoiceCat.slnx --locked-mode
+dotnet build VoiceCat.slnx -c Release --no-restore
+dotnet test VoiceCat.slnx -c Release --no-build
 ```
 
 See [CLAUDE.md](CLAUDE.md) for the developer map, [docs/README.md](docs/README.md) for current
@@ -24,19 +24,16 @@ contracts, and [PROGRESS.md](PROGRESS.md) for the short release handoff.
 
 ```text
 proto/                    protobuf wire schema
-dotnet/src/               managed protocol, crypto, server, client, audio, and CLI
-dotnet/tests/             managed behavior and integration tests
+src/                      managed protocol, crypto, server, client, audio, and CLI
+tests/                    managed behavior and integration tests
 clients/windows/          WinForms client
-clients/apple/dotnet/     AppKit and UIKit clients
+clients/apple/            AppKit and UIKit clients
 native/media/             narrow Opus/RNNoise C shim
 native/rnnoise/           vendored RNNoise source and model
 native/apple/broadcast/   ReplayKit broadcast extension
 docs/                     current contracts and operating documentation
 ```
 
-The remaining C++ implementation and old Swift applications are unsupported retirement
-sources. They are not compatibility targets or architectural authorities.
-
 ## Non-negotiable constraints
 
 - Encryption is mandatory.