refactor: move queued turn dispatch into core

codex-rs/protocol/src/protocol.rs

@@ -1329,6 +1329,9 @@ pub enum EventMsg {
     /// Updated long-running goal metadata for the thread.
     ThreadGoalUpdated(ThreadGoalUpdatedEvent),
 
+    /// Core started and removed a durable queued turn.
+    ThreadQueuedTurnDispatched(ThreadQueuedTurnDispatchedEvent),
+
     /// Incremental MCP startup progress updates.
     McpStartupUpdate(McpStartupUpdateEvent),
 
@@ -3590,6 +3593,14 @@ pub struct ThreadGoalUpdatedEvent {
     pub goal: ThreadGoal,
 }
 
+#[derive(Debug, Clone, Deserialize, Serialize, PartialEq, Eq, JsonSchema, TS)]
+#[serde(rename_all = "camelCase")]
+#[ts(export_to = "protocol/")]
+pub struct ThreadQueuedTurnDispatchedEvent {
+    pub thread_id: ThreadId,
+    pub turn_has_input: bool,
+}
+
 /// User's decision in response to an ExecApprovalRequest.
 #[derive(Debug, Default, Clone, Deserialize, Serialize, PartialEq, Eq, Display, JsonSchema, TS)]
 #[serde(rename_all = "snake_case")]