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/monitor.rs

@@ -2,6 +2,7 @@ use serde::{Deserialize, Serialize};
 use std::time::{Duration, SystemTime};
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
+#[derive(Default)]
 pub struct ConnectionStats {
     pub total_connections: u64,
     pub active_connections: u32,
@@ -12,19 +13,6 @@ pub struct ConnectionStats {
     pub uptime_seconds: u64,
 }
 
-impl Default for ConnectionStats {
-    fn default() -> Self {
-        ConnectionStats {
-            total_connections: 0,
-            active_connections: 0,
-            read_operations: 0,
-            write_operations: 0,
-            errors: 0,
-            bytes_transferred: 0,
-            uptime_seconds: 0,
-        }
-    }
-}
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct AccessLogEntry {
@@ -38,12 +26,19 @@ pub struct AccessLogEntry {
 }
 
 impl AccessLogEntry {
-    pub fn new(username: String, action: String, path: String, success: bool, bytes: u64, duration: Duration) -> Self {
+    pub fn new(
+        username: String,
+        action: String,
+        path: String,
+        success: bool,
+        bytes: u64,
+        duration: Duration,
+    ) -> Self {
         let timestamp = SystemTime::now()
             .duration_since(SystemTime::UNIX_EPOCH)
             .unwrap()
             .as_secs();
-        
+
         AccessLogEntry {
             timestamp: timestamp.to_string(),
             username,
@@ -62,6 +57,12 @@ pub struct SMBMonitor {
     start_time: SystemTime,
 }
 
+impl Default for SMBMonitor {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl SMBMonitor {
     pub fn new() -> Self {
         SMBMonitor {
@@ -70,10 +71,10 @@ impl SMBMonitor {
             start_time: SystemTime::now(),
         }
     }
-    
+
     pub fn log_access(&mut self, entry: AccessLogEntry) {
         self.logs.push(entry.clone());
-        
+
         if entry.success {
             if entry.action == "read" {
                 self.stats.read_operations += 1;
@@ -85,28 +86,28 @@ impl SMBMonitor {
             self.stats.errors += 1;
         }
     }
-    
+
     pub fn connection_opened(&mut self) {
         self.stats.total_connections += 1;
         self.stats.active_connections += 1;
     }
-    
+
     pub fn connection_closed(&mut self) {
         self.stats.active_connections -= 1;
     }
-    
+
     pub fn get_stats(&self) -> ConnectionStats {
         let uptime = SystemTime::now()
             .duration_since(self.start_time)
             .unwrap()
             .as_secs();
-        
+
         let mut stats = self.stats.clone();
         stats.uptime_seconds = uptime;
         stats
     }
-    
+
     pub fn get_logs(&self, limit: usize) -> Vec<AccessLogEntry> {
         self.logs.iter().rev().take(limit).cloned().collect()
     }
-}
+}