feat: add support for meta plugin options and outputs

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

src/meta_plugin.rs

@@ -76,6 +76,16 @@ pub trait MetaPlugin {
         crate::db::store_meta(conn, meta)?;
         Ok(())
     }
+    
+    // Configure plugin with options
+    fn configure(&mut self, _options: &std::collections::HashMap<String, serde_yaml::Value>) -> Result<()> {
+        Ok(())
+    }
+    
+    // Get output name mapping
+    fn get_output_name(&self, default_name: &str) -> String {
+        default_name.to_string()
+    }
 }
 
 pub fn get_meta_plugin(meta_plugin_type: MetaPluginType) -> Box<dyn MetaPlugin> {