fix: update magic cookie flags and default value

Co-authored-by: aider (openai/andrew/openrouter/anthropic/claude-sonnet-4) <aider@aider.chat>

src/meta_plugin/magic.rs

@@ -17,7 +17,7 @@ impl MagicMetaPlugin {
         MagicMetaPlugin {
             buffer: Vec::new(),
             meta_name: "magic_file_type".to_string(),
-            cookie_flags: CookieFlags::NONE,
+            cookie_flags: CookieFlags::empty(),
         }
     }
 
@@ -52,7 +52,7 @@ impl MetaPlugin for MagicMetaPlugin {
         let cookie = Cookie::open(self.cookie_flags)
             .map_err(|e| io::Error::new(io::ErrorKind::Other, format!("Failed to open magic cookie: {}", e)))?;
 
-        cookie.load(&Default::default())
+        cookie.load(&[])
             .map_err(|e| io::Error::new(io::ErrorKind::Other, format!("Failed to load magic database: {}", e)))?;
 
         let result = cookie.buffer(&self.buffer)