fix: lookup meta plugins by meta name instead of type name

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

src/modes/common.rs

@@ -187,15 +187,24 @@ pub fn cmd_args_meta_plugin_types(cmd: &mut Command, args: &Args) -> Vec<MetaPlu
                 continue;
             }
             
-            let meta_plugin_type_opt = MetaPluginType::from_str(trimmed_name);
-            if meta_plugin_type_opt.is_err() {
+            // Try to find the MetaPluginType by meta name
+            let mut found = false;
+            for meta_plugin_type in MetaPluginType::iter() {
+                let mut meta_plugin = crate::meta_plugin::get_meta_plugin(meta_plugin_type.clone());
+                if meta_plugin.meta_name() == trimmed_name {
+                    meta_plugin_types.push(meta_plugin_type);
+                    found = true;
+                    break;
+                }
+            }
+            
+            if !found {
                 cmd.error(
                     ErrorKind::InvalidValue,
                     format!("Unknown meta plugin type: {}", trimmed_name),
                 )
                 .exit();
             }
-            meta_plugin_types.push(meta_plugin_type_opt.unwrap());
         }
     }