enable search config change

codex-rs/protocol/src/mcp_protocol.rs

@@ -266,6 +266,7 @@ pub struct SendUserTurnParams {
     pub model: String,
     pub effort: ReasoningEffort,
     pub summary: ReasoningSummary,
+    pub enable_web_search: bool,
 }
 
 #[derive(Serialize, Deserialize, Debug, Clone, PartialEq, TS)]

codex-rs/protocol/src/protocol.rs

@@ -76,6 +76,9 @@ pub enum Op {
 
         /// Will only be honored if the model is configured to use reasoning.
         summary: ReasoningSummaryConfig,
+
+        /// Whether to enable web search.
+        enable_web_search: bool,
     },
 
     /// Override parts of the persistent turn context for subsequent turns.
@@ -108,6 +111,10 @@ pub enum Op {
         /// Updated reasoning summary preference (honored only for reasoning-capable models).
         #[serde(skip_serializing_if = "Option::is_none")]
         summary: Option<ReasoningSummaryConfig>,
+
+        /// Whether to enable web search.
+        #[serde(skip_serializing_if = "Option::is_none")]
+        enable_web_search: Option<bool>,
     },
 
     /// Approve a command execution