chore(logging): reduce noise in default log level

- Device enumeration (48 CPAL devices): info → debug
- Playlist fetch completion: info → debug
- Playlist command invocation: info → debug
- zbus socket_reader/tracing: filtered to warn level

These remain visible with RUST_LOG=debug or verbose log capture.

cc

crates/qbz-qobuz/src/client.rs

@@ -1274,7 +1274,7 @@ impl QobuzClient {
         }
 
         let elapsed = start.elapsed();
-        log::info!(
+        log::debug!(
             "[API] get_playlist({}) complete: {} tracks in {:.2}s",
             playlist_id,
             playlist.tracks.as_ref().map(|t| t.items.len()).unwrap_or(0),

src-tauri/src/commands/playback.rs

@@ -1380,7 +1380,7 @@ pub struct PipewireSink {
 #[cfg(target_os = "linux")]
 #[tauri::command]
 pub fn get_pipewire_sinks() -> Result<Vec<PipewireSink>, String> {
-    log::info!("Command: get_pipewire_sinks (Linux, using CPAL)");
+    log::debug!("Command: get_pipewire_sinks (Linux, using CPAL)");
 
     use rodio::cpal::traits::{DeviceTrait, HostTrait};
 
@@ -1391,7 +1391,7 @@ pub fn get_pipewire_sinks() -> Result<Vec<PipewireSink>, String> {
         .default_output_device()
         .and_then(|d| cpal_device_name(&d));
 
-    log::info!("CPAL default device: {:?}", default_device_name);
+    log::debug!("CPAL default device: {:?}", default_device_name);
 
     // Enumerate all output devices using CPAL
     let sinks: Vec<PipewireSink> = host
@@ -1425,7 +1425,7 @@ pub fn get_pipewire_sinks() -> Result<Vec<PipewireSink>, String> {
                 })
                 .unwrap_or_else(|| "no configs".to_string());
 
-            log::info!(
+            log::debug!(
                 "  [{}] Device: '{}' (default: {}) - Configs: {}",
                 idx,
                 name,
@@ -1444,7 +1444,7 @@ pub fn get_pipewire_sinks() -> Result<Vec<PipewireSink>, String> {
         })
         .collect();
 
-    log::info!("Found {} audio output devices via CPAL", sinks.len());
+    log::debug!("Found {} audio output devices via CPAL", sinks.len());
 
     Ok(sinks)
 }

src-tauri/src/commands_v2.rs

@@ -8762,7 +8762,7 @@ pub async fn v2_get_playlist(
         .check_requirements(CommandRequirement::RequiresCoreBridgeAuth)
         .await?;
 
-    log::info!("[V2] get_playlist: {}", playlistId);
+    log::debug!("[V2] get_playlist: {}", playlistId);
     let bridge = bridge.get().await;
     bridge
         .get_playlist(playlistId)

src-tauri/src/lib.rs

@@ -477,10 +477,12 @@ pub fn run() {
     }
 
     // Initialize logging with TeeWriter (captures to ring buffer + stderr)
-    env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("info"))
-        .format_timestamp_millis()
-        .target(env_logger::Target::Pipe(Box::new(logging::TeeWriter)))
-        .init();
+    env_logger::Builder::from_env(
+        env_logger::Env::default().default_filter_or("info,zbus=warn,tracing=warn"),
+    )
+    .format_timestamp_millis()
+    .target(env_logger::Target::Pipe(Box::new(logging::TeeWriter)))
+    .init();
 
     log::info!("QBZ starting...");