fix(macOS): bundle ffmpeg/ffprobe via platform config and resolve lookup in Contents/MacOS to prevent normalization failures in packaged app; chore(stt/soniox): update async model to stt-async-v3

Author: moinulmoin

src-tauri/src/commands/audio.rs

@@ -2236,7 +2236,7 @@ async fn soniox_transcribe_async(
 
     // 2) Create transcription -> transcription_id
     let mut payload = serde_json::json!({
-        "model": "stt-async-preview",
+        "model": "stt-async-v3",
         "file_id": file_id,
     });
     if let Some(lang) = language {

src-tauri/src/ffmpeg/mod.rs

@@ -34,11 +34,19 @@ fn resolve_binary(app: &AppHandle, names: &[&str], label: &str) -> Result<PathBu
     if let Ok(resource_dir) = app.path().resource_dir() {
         push_dir(resource_dir.clone());
         push_dir(resource_dir.join("sidecar").join("ffmpeg").join("dist"));
+        // On macOS, externalBin are placed under Contents/MacOS; include that sibling of Resources
+        #[cfg(target_os = "macos")]
+        if let Some(contents_dir) = resource_dir.parent() {
+            let macos_dir = contents_dir.join("MacOS");
+            push_dir(macos_dir);
+        }
     }
 
     if let Ok(exe_path) = std::env::current_exe() {
         let mut dir_opt = exe_path.parent();
         while let Some(dir) = dir_opt {
+            // Search the executable directory itself (e.g., .../Contents/MacOS)
+            push_dir(dir.to_path_buf());
             push_dir(dir.join("sidecar").join("ffmpeg").join("dist"));
             push_dir(
                 dir.join("Resources")

src-tauri/tauri.macos.conf.json

@@ -6,6 +6,8 @@
   },
   "bundle": {
     "externalBin": [
+      "../sidecar/ffmpeg/dist/ffmpeg",
+      "../sidecar/ffmpeg/dist/ffprobe",
       "../sidecar/parakeet-swift/dist/parakeet-sidecar"
     ]
   }