Retire legacy sources and verify managed iOS deployment

core/src/audio/apm_processor.cpp

@@ -49,7 +49,7 @@ class EnergyVadProcessor final : public ApmProcessor {
 };
 
 // RnnoiseProcessor
-// Real noise suppression via vendored RNNoise (third_party/rnnoise
+// Real noise suppression via vendored RNNoise (native/rnnoise
 // RNNoise is a mono, 48 kHz, fixed 480-sample (10 ms) speech denoiser; our engine clock is fixed
 // at 48 kHz and every Opus frame size (480/960/1920/2880) is a multiple of 480, so we process
 // whole 480-sample chunks with no resampling and no cross-call carry. Mono only — callers gate

core/src/codec/opus_codec.h

@@ -14,7 +14,7 @@
 
 namespace voicecat::codec {
 
-// Mirrors voicecat::v1::OpusApplication (core/proto/voicecat.proto) without depending on
+// Mirrors voicecat::v1::OpusApplication (proto/voicecat.proto) without depending on
 // generated protobuf headers from this low-level codec module.
 enum class OpusApplication {
     Voip     = 0,  // speech, optimized for low-rate intelligibility

core/src/protocol/protocol.h

@@ -2,7 +2,7 @@
  * protocol/protocol.h: control-plane (de)serialization + routing.
  *
  * Wire format is a length-prefixed protobuf `Envelope`
- * (core/proto/voicecat.proto). This layer parses frames into Envelopes, correlates
+ * (proto/voicecat.proto). This layer parses frames into Envelopes, correlates
  * request_id  response, and dispatches to handlers. Media frames do NOT come through here
  * (they use the fixed binary header 
  *