fix: add missing IntoEnumIterator import for MetaPluginType::iter() usage

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

src/modes/common.rs

@@ -14,6 +14,7 @@ use rusqlite::Connection;
 use std::collections::HashMap;
 use std::env;
 use std::str::FromStr;
+use strum::IntoEnumIterator;
 
 pub fn get_meta_from_env() -> HashMap<String, String> {
     debug!("COMMON: Getting meta from KEEP_META_*");