feat(core): Add Quicklist function to return all visible via ctrl+Q.

crates/pikl-core/src/model/output.rs

@@ -11,6 +11,7 @@ use serde_json::Value;
 #[serde(rename_all = "snake_case")]
 pub enum OutputAction {
     Select,
+    Quicklist,
     Cancel,
 }
 
@@ -94,6 +95,18 @@ mod tests {
         assert_eq!(json["action"], "cancel");
     }
 
+    #[test]
+    fn output_item_quicklist_action() {
+        let item = OutputItem {
+            value: json!("test"),
+            action: OutputAction::Quicklist,
+            index: 2,
+        };
+        let json = serde_json::to_value(&item).unwrap_or_default();
+        assert_eq!(json["action"], "quicklist");
+        assert_eq!(json["index"], 2);
+    }
+
     #[test]
     fn output_item_string_contains_value_text() {
         let item = OutputItem {