refactor: Update audio capture logging for Linux and enhance device selection logic

Author: srprasanna

.claude/settings.local.json

@@ -4,7 +4,10 @@
       "Bash(cargo build:*)",
       "Bash(npm run build)",
       "Bash(cargo check:*)",
-      "Bash(npm run check:*)"
+      "Bash(npm run check:*)",
+      "Bash(rustc --version --verbose:*)",
+      "Bash(rustup show:*)",
+      "Bash(rustup toolchain install:*)"
     ],
     "deny": [],
     "ask": []

apps/desktop/package-lock.json

@@ -589,6 +589,12 @@ impl AudioCapturePort for PulseAudioCapture {
         // For Linux, dual capture is not yet fully implemented
         // For now, we prioritize the speaker device (loopback) if specified,
         // otherwise fall back to the microphone
+        log::info!(
+            "Linux dual capture: using single device mode (speaker: {:?}, mic: {:?})",
+            speaker_device,
+            microphone_device
+        );
+
         let device = speaker_device.or(microphone_device);
 
         if device.is_none() {
@@ -597,12 +603,6 @@ impl AudioCapturePort for PulseAudioCapture {
             ));
         }
 
-        log::info!(
-            "Linux dual capture: using single device mode (speaker: {:?}, mic: {:?})",
-            speaker_device,
-            microphone_device
-        );
-
         // TODO: Implement true dual capture with mixing for Linux
         // For now, use single device capture
         self.start_capture(device).await