add missing fields to WebSearchAction and update app-server types (#10276)

- add `WebSearchAction` to app-server v2 types
- add `queries` to `WebSearchAction::Search` type

Updated tests.

codex-rs/core/src/event_mapping.rs

@@ -426,6 +426,7 @@ mod tests {
             status: Some("completed".to_string()),
             action: Some(WebSearchAction::Search {
                 query: Some("weather".to_string()),
+                queries: None,
             }),
         };
 
@@ -439,6 +440,7 @@ mod tests {
                     query: "weather".to_string(),
                     action: WebSearchAction::Search {
                         query: Some("weather".to_string()),
+                        queries: None,
                     },
                 }
             ),

codex-rs/core/src/web_search.rs

@@ -1,8 +1,23 @@
 use codex_protocol::models::WebSearchAction;
 
+fn search_action_detail(query: &Option<String>, queries: &Option<Vec<String>>) -> String {
+    query.clone().filter(|q| !q.is_empty()).unwrap_or_else(|| {
+        let items = queries.as_ref();
+        let first = items
+            .and_then(|queries| queries.first())
+            .cloned()
+            .unwrap_or_default();
+        if items.is_some_and(|queries| queries.len() > 1) && !first.is_empty() {
+            format!("{first} ...")
+        } else {
+            first
+        }
+    })
+}
+
 pub fn web_search_action_detail(action: &WebSearchAction) -> String {
     match action {
-        WebSearchAction::Search { query } => query.clone().unwrap_or_default(),
+        WebSearchAction::Search { query, queries } => search_action_detail(query, queries),
         WebSearchAction::OpenPage { url } => url.clone().unwrap_or_default(),
         WebSearchAction::FindInPage { url, pattern } => match (pattern, url) {
             (Some(pattern), Some(url)) => format!("'{pattern}' in {url}"),