fix: remove unused config parameter in mode functions

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

src/modes/list.rs

@@ -29,7 +29,6 @@ struct ListItem {
 pub fn mode_list(
     cmd: &mut clap::Command,
     settings: &config::Settings,
-    _config: &config::Config,
     ids: &mut Vec<i64>,
     tags: &Vec<String>,
     conn: &mut rusqlite::Connection,
@@ -44,9 +43,12 @@ pub fn mode_list(
     }
 
     let mut meta: std::collections::HashMap<String, String> = std::collections::HashMap::new();
-    for item in settings.meta.iter() {
-        let item = item.clone();
-        meta.insert(item.key, item.value);
+    // Collect metadata from environment variables
+    for (key, value) in std::env::vars() {
+        if key.starts_with("KEEP_META_") && key != "KEEP_META_PLUGINS" {
+            let meta_name = key.strip_prefix("KEEP_META_").unwrap();
+            meta.insert(meta_name.to_string(), value);
+        }
     }
 
     let items = match tags.is_empty() && meta.is_empty() {