Fix clippy warnings: unused imports, minor style fixes

markbase-core/src/ssh_server/channel.rs

@@ -1340,7 +1340,7 @@ impl ChannelManager {
 
     /// ⭐⭐⭐⭐⭐ Phase 17: Check if a specific channel has an exec process
     pub fn channel_has_exec_process(&self, channel_id: u32) -> bool {
-        self.channels.get(&channel_id).map_or(false, |ch| ch.exec_process.is_some())
+        self.channels.get(&channel_id).is_some_and(|ch| ch.exec_process.is_some())
     }
 
     /// 获取channel输出（Phase 6新增）
@@ -2053,8 +2053,8 @@ impl ChannelManager {
                     }
                 }
             }
-        } else if command.contains("rsync") {
-            if command.contains("--server") {
+        } else if command.contains("rsync")
+            && command.contains("--server") {
                 let parts: Vec<&str> = command.split_whitespace().collect();
                 for part in parts.iter().rev() {
                     if !part.starts_with("-") && !part.contains("--") && *part != "rsync" && *part != "--server" && *part != "--sender" {
@@ -2062,7 +2062,6 @@ impl ChannelManager {
                     }
                 }
             }
-        }
         None
     }
 }