feat: add full hostname option to hostname plugin and remove full_hostname plugin

Co-authored-by: aider (openai/andrew/openrouter/qwen/qwen3-coder) <aider@aider.chat>

src/meta_plugin.rs

@@ -121,7 +121,6 @@ pub enum MetaPluginType {
     ReadTime,
     ReadRate,
     Hostname,
-    FullHostname,
 }
 
 /// Central function to handle metadata output with name mapping
@@ -284,6 +283,5 @@ pub fn get_meta_plugin(meta_plugin_type: MetaPluginType) -> Box<dyn MetaPlugin>
         MetaPluginType::ReadTime => Box::new(ReadTimeMetaPlugin::new_simple()),
         MetaPluginType::ReadRate => Box::new(ReadRateMetaPlugin::new_simple()),
         MetaPluginType::Hostname => Box::new(HostnameMetaPlugin::new_simple()),
-        MetaPluginType::FullHostname => Box::new(FullHostnameMetaPlugin::new_simple()),
     }
 }