Implement native WebRtcTest validation (#96)

crates/libremetaverse-voice-webrtc/Cargo.toml

@@ -8,9 +8,23 @@ repository.workspace = true
 description = "WebRTC voice shims for the MetaCrate LibreMetaverse rewrite"
 
 [dependencies]
+audiopus = "0.2"
+hound = "3.5"
 libremetaverse = { path = "../libremetaverse" }
 libremetaverse-structured-data = { path = "../libremetaverse-structured-data" }
 libremetaverse-types = { path = "../libremetaverse-types" }
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+str0m = { version = "0.22", default-features = false, features = ["rust-crypto"] }
+tokio = { version = "1.47.1", features = ["macros", "net", "rt", "sync", "time"] }
+
+[features]
+default = []
+real-audio = ["dep:cpal"]
+
+[dependencies.cpal]
+version = "0.18"
+optional = true
 
 [lints]
 workspace = true