huskies: merge 858

server/src/log_buffer.rs

@@ -24,6 +24,7 @@ pub enum LogLevel {
 }
 
 impl LogLevel {
+    /// Return the uppercase string label for this level (`"ERROR"`, `"WARN"`, or `"INFO"`).
     pub fn as_str(&self) -> &'static str {
         match self {
             LogLevel::Error => "ERROR",
@@ -75,6 +76,7 @@ impl LogEntry {
     }
 }
 
+/// Bounded in-memory ring buffer holding recent log entries and a broadcast channel for live streaming.
 pub struct LogBuffer {
     entries: Mutex<VecDeque<LogEntry>>,
     log_file: Mutex<Option<PathBuf>>,