refactor: 迁出日志宏，移除直接依赖

crates/oxide_log/src/filter.rs

@@ -15,12 +15,7 @@ pub struct SubsystemFilter {
 impl SubsystemFilter {
     pub fn new() -> Self {
         Self {
-            levels: Arc::new([
-                AtomicU8::new(0),
-                AtomicU8::new(0),
-                AtomicU8::new(0),
-                AtomicU8::new(0),
-            ]),
+            levels: Arc::new([AtomicU8::new(0), AtomicU8::new(0), AtomicU8::new(0), AtomicU8::new(0)]),
         }
     }
 
@@ -63,11 +58,7 @@ impl Default for SubsystemFilter {
 }
 
 impl<S: Subscriber> Filter<S> for SubsystemFilter {
-    fn enabled(
-        &self,
-        meta: &tracing::Metadata<'_>,
-        _cx: &tracing_subscriber::layer::Context<'_, S>,
-    ) -> bool {
+    fn enabled(&self, meta: &tracing::Metadata<'_>, _cx: &tracing_subscriber::layer::Context<'_, S>) -> bool {
         self.is_enabled_for(meta.target(), meta.level())
     }
 }

crates/oxide_log/src/level.rs

@@ -10,7 +10,7 @@ pub enum Level {
 }
 
 impl Level {
-    pub fn as_tracing_level(self) -> tracing::Level {
+    pub const fn as_tracing_level(self) -> tracing::Level {
         match self {
             Level::Off | Level::Error => tracing::Level::ERROR,
             Level::Warn => tracing::Level::WARN,

crates/oxide_log/src/lib.rs

@@ -8,3 +8,6 @@ pub use filter::SubsystemFilter;
 pub use init::{init, set_level, LogConfig, Output};
 pub use level::Level;
 pub use subsystem::{SubsystemId, SUBSYSTEM_COUNT};
+
+#[doc(hidden)]
+pub use tracing;

crates/oxide_log/src/macros.rs

@@ -1,6 +1,6 @@
 #[macro_export]
 macro_rules! __log_event {
     ($target:expr, $level:expr, $($arg:tt)*) => {
-        tracing::event!(target: $target, $level, $($arg)*)
+        $crate::tracing::event!(target: $target, $level, $($arg)*)
     };
 }