refactor: Remove duplicated program info definitions in status mode

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

src/meta_plugin.rs

@@ -37,6 +37,7 @@ pub trait MetaPlugin {
     fn is_supported(&self) -> bool {
         true
     }
+    
     fn create(&self) -> Result<Box<dyn Write>>;
     fn finalize(&mut self) -> io::Result<String>;
 
@@ -44,6 +45,11 @@ pub trait MetaPlugin {
     fn update(&mut self, data: &[u8]);
 
     fn meta_name(&mut self) -> String;
+    
+    // Get program information for display in status
+    fn program_info(&self) -> Option<(&str, Vec<&str>)> {
+        None
+    }
 }
 
 use std::io::Write;