refactor(bridge): remove SonoraExperimental from bridge API and regenerate FRB

Remove SonoraExperimental variant from BridgeIosVoiceProcessingMode
and collapse all match arms in the bridge config builder. Regenerate
flutter_rust_bridge bindings and update Podfile.lock.

crates/chanora_bridge/src/api.rs

@@ -1062,10 +1062,8 @@ pub enum BridgeAudioRoute {
 /// Bridge iOS voice-processing mode.
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 pub enum BridgeIosVoiceProcessingMode {
-    /// Shipping VPIO path.
+    /// Apple VoiceProcessingIO path.
     PlatformVoiceProcessing,
-    /// Experimental Sonora path.
-    SonoraExperimental,
 }
 
 /// Bridge processing backend.
@@ -1223,7 +1221,6 @@ impl From<BridgeIosVoiceProcessingMode> for chanora_core::IosVoiceProcessingMode
     fn from(mode: BridgeIosVoiceProcessingMode) -> Self {
         match mode {
             BridgeIosVoiceProcessingMode::PlatformVoiceProcessing => Self::PlatformVoiceProcessing,
-            BridgeIosVoiceProcessingMode::SonoraExperimental => Self::SonoraExperimental,
         }
     }
 }
@@ -1234,7 +1231,6 @@ impl From<chanora_core::IosVoiceProcessingMode> for BridgeIosVoiceProcessingMode
             chanora_core::IosVoiceProcessingMode::PlatformVoiceProcessing => {
                 Self::PlatformVoiceProcessing
             }
-            chanora_core::IosVoiceProcessingMode::SonoraExperimental => Self::SonoraExperimental,
         }
     }
 }
@@ -2361,25 +2357,11 @@ pub async fn set_ios_voice_processing_mode(
     let config = BridgeAudioProcessingConfig {
         route: BridgeAudioRoute::Speaker,
         ios_mode: mode,
-        processing_backend: match mode {
-            BridgeIosVoiceProcessingMode::PlatformVoiceProcessing => {
-                BridgeAudioBackend::PlatformVoiceProcessing
-            }
-            BridgeIosVoiceProcessingMode::SonoraExperimental => BridgeAudioBackend::WebrtcApm,
-        },
+        processing_backend: BridgeAudioBackend::PlatformVoiceProcessing,
         vad_backend: BridgeVadBackend::SileroOnnx,
-        aec: match mode {
-            BridgeIosVoiceProcessingMode::PlatformVoiceProcessing => BridgeEffectOwner::Platform,
-            BridgeIosVoiceProcessingMode::SonoraExperimental => BridgeEffectOwner::WebrtcApm,
-        },
-        ns: match mode {
-            BridgeIosVoiceProcessingMode::PlatformVoiceProcessing => BridgeEffectOwner::Platform,
-            BridgeIosVoiceProcessingMode::SonoraExperimental => BridgeEffectOwner::WebrtcApm,
-        },
-        agc: match mode {
-            BridgeIosVoiceProcessingMode::PlatformVoiceProcessing => BridgeEffectOwner::Platform,
-            BridgeIosVoiceProcessingMode::SonoraExperimental => BridgeEffectOwner::WebrtcApm,
-        },
+        aec: BridgeEffectOwner::Platform,
+        ns: BridgeEffectOwner::Platform,
+        agc: BridgeEffectOwner::Platform,
         hpf_enabled: true,
         limiter_enabled: true,
         vad_hangover_ms: 500,

crates/chanora_bridge/src/frb_generated.rs

@@ -2409,7 +2409,6 @@ impl SseDecode for crate::api::BridgeIosVoiceProcessingMode {
         let mut inner = <i32>::sse_decode(deserializer);
         return match inner {
             0 => crate::api::BridgeIosVoiceProcessingMode::PlatformVoiceProcessing,
-            1 => crate::api::BridgeIosVoiceProcessingMode::SonoraExperimental,
             _ => unreachable!(
                 "Invalid variant for BridgeIosVoiceProcessingMode: {}",
                 inner
@@ -3445,7 +3444,6 @@ impl flutter_rust_bridge::IntoDart for crate::api::BridgeIosVoiceProcessingMode
     fn into_dart(self) -> flutter_rust_bridge::for_generated::DartAbi {
         match self {
             Self::PlatformVoiceProcessing => 0.into_dart(),
-            Self::SonoraExperimental => 1.into_dart(),
             _ => unreachable!(),
         }
     }
@@ -4215,7 +4213,6 @@ impl SseEncode for crate::api::BridgeIosVoiceProcessingMode {
         <i32>::sse_encode(
             match self {
                 crate::api::BridgeIosVoiceProcessingMode::PlatformVoiceProcessing => 0,
-                crate::api::BridgeIosVoiceProcessingMode::SonoraExperimental => 1,
                 _ => {
                     unimplemented!("");
                 }