fix: fix handling of meta:* columns and labels

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

src/config.rs

@@ -112,6 +112,8 @@ impl Settings {
             config_builder = config_builder.set_override("dir", dir.to_str().unwrap())?;
         }
         
+        // Only override list_format if it was explicitly provided via CLI args
+        // (not equal to the default value)
         if args.options.list_format != "id,time,size,tags,meta:hostname" {
             // Convert the string format to the new list format structure
             let columns: Vec<std::collections::HashMap<String, String>> = args.options.list_format
@@ -119,7 +121,7 @@ impl Settings {
                 .map(|col| {
                     let parts: Vec<&str> = col.split(':').collect();
                     let mut map = std::collections::HashMap::new();
-                    map.insert("name".to_string(), parts[0].to_string());
+                    map.insert("name".to_string(), col.to_string()); // Use full column spec as name
                     let label = if parts.len() > 1 {
                         parts[1].to_string()
                     } else {