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
     }
 }

markbase-core/src/ssh_server/cipher.rs

@@ -13,7 +13,6 @@ use chacha20poly1305::{
     ChaCha20Poly1305, Key as ChaKey, Nonce as ChaNonce, // Phase 5: ChaCha20-Poly1305 AEAD
 };
 use anyhow::{anyhow, Result};
-use byteorder::{BigEndian, WriteBytesExt};
 use cipher::{KeyIvInit, StreamCipher};
 use ctr::Ctr128BE;
 use hmac::{Hmac, Mac};
@@ -1046,7 +1045,7 @@ impl EncryptedPacket {
                 let cipher = Aes256GcmAead::new_from_slice(&key_bytes[..32])
                     .map_err(|e| anyhow!("AES-GCM key init failed: {}", e))?;
                 let nonce = Nonce::from_slice(&prep.nonce_bytes);
-                let packet_length_bytes = (prep.packet_length as u32).to_be_bytes();
+                let packet_length_bytes = prep.packet_length.to_be_bytes();
                 let ciphertext = cipher
                     .encrypt(
                         nonce,
@@ -1068,7 +1067,7 @@ impl EncryptedPacket {
 
             // Full packet: [packet_length (plaintext)] [ciphertext (payload + padding + tag)]
             let mut full_buf = SshBuf::with_capacity(4 + ciphertext.len());
-            full_buf.put(&(prep.packet_length as u32).to_be_bytes())?;
+            full_buf.put(&prep.packet_length.to_be_bytes())?;
             full_buf.put(&ciphertext)?;
 
             packets.push(Self {

markbase-core/src/ssh_server/sshbuf.rs

@@ -261,8 +261,8 @@ impl SshBuf {
 
     /// 消费内部 Vec，提取有效数据（零拷贝）
     /// 相当于 OpenSSH sshbuf_free() 但返回数据
-    pub fn into_vec(mut self) -> Vec<u8> {
-        let len = self.len();
+    pub fn into_vec(self) -> Vec<u8> {
+        let _len = self.len();
         if self.off == 0 && self.size == self.data.len() {
             // 正好是完整 buffer，直接返回
             self.data

markbase-core/src/ssh_server/upload_hook.rs

@@ -1,7 +1,7 @@
 use std::path::{Path, PathBuf};
 use std::process::Command;
 use anyhow::{anyhow, Result};
-use log::{info, warn, error};
+use log::{info, error};
 
 pub struct UploadHook {
     enabled: bool,