Fix code quality: trailing whitespace, unused imports, clippy warnings

- Fix trailing whitespace in kex.rs and s3.rs
- Add missing KexProposal import in kex_complete.rs
- Auto-fix clippy warnings across all crates
- All 153 tests pass

markbase-smb/src/manager.rs

@@ -12,72 +12,68 @@ impl SMBManager {
     pub fn new(config: SMBConfig) -> Self {
         SMBManager { config }
     }
-    
+
     pub fn check_smb_service() -> Result<bool> {
-        let output = Command::new("sharing")
-            .arg("-l")
-            .output()?;
-        
+        let output = Command::new("sharing").arg("-l").output()?;
+
         let status = String::from_utf8_lossy(&output.stdout);
         Ok(!status.contains("No share point records"))
     }
-    
+
     pub fn create_share(&self) -> Result<()> {
         let path = Path::new(&self.config.path);
         if !path.exists() {
             return Err(anyhow::anyhow!("Path does not exist: {}", self.config.path));
         }
-        
-        eprintln!("Creating SMB share '{}' for path: {}", self.config.share_name, self.config.path);
-        
+
+        eprintln!(
+            "Creating SMB share '{}' for path: {}",
+            self.config.share_name, self.config.path
+        );
+
         let smb_conf_content = self.config.to_smb_conf();
         eprintln!("Generated smb.conf section:\n{}", smb_conf_content);
-        
+
         eprintln!("\nTo enable SMB sharing, run:");
-        eprintln!("sudo sharing -a \"{}\" -S \"{}\"", self.config.path, self.config.share_name);
-        
+        eprintln!(
+            "sudo sharing -a \"{}\" -S \"{}\"",
+            self.config.path, self.config.share_name
+        );
+
         Ok(())
     }
-    
+
     pub fn remove_share(&self) -> Result<()> {
         eprintln!("Removing SMB share '{}'...", self.config.share_name);
-        
+
         eprintln!("To remove SMB sharing, run:");
         eprintln!("sudo sharing -r \"{}\"", self.config.share_name);
-        
+
         Ok(())
     }
-    
+
     pub fn list_shares() -> Result<Vec<String>> {
-        let output = Command::new("sharing")
-            .arg("-l")
-            .output()?;
-        
+        let output = Command::new("sharing").arg("-l").output()?;
+
         let status = String::from_utf8_lossy(&output.stdout);
-        
+
         if status.contains("No share point records") {
             return Ok(vec![]);
         }
-        
+
         let shares: Vec<String> = status
             .lines()
             .filter(|line| line.contains("name:"))
-            .map(|line| {
-                line.split(":")
-                    .nth(1)
-                    .unwrap_or("")
-                    .trim()
-                    .to_string()
-            })
+            .map(|line| line.split(":").nth(1).unwrap_or("").trim().to_string())
             .collect();
-        
+
         Ok(shares)
     }
-    
+
     pub fn status(&self) -> Result<serde_json::Value> {
         let service_running = Self::check_smb_service()?;
         let shares = Self::list_shares()?;
-        
+
         Ok(serde_json::json!({
             "service_running": service_running,
             "share_name": self.config.share_name,
@@ -86,4 +82,4 @@ impl SMBManager {
             "config": self.config,
         }))
     }
-}
+}