refactor: move meta plugin finalization logic into meta plugins

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

src/meta_plugin/program.rs

@@ -5,6 +5,7 @@ use std::io;
 use std::io::Write;
 use std::process::{Command, Stdio};
 use which::which;
+use rusqlite::Connection;
 
 use crate::meta_plugin::MetaPlugin;
 
@@ -127,5 +128,4 @@ impl MetaPlugin for MetaPluginProgram {
             None
         }
     }
-
 }