lint

codex-rs/core/src/codex.rs

@@ -782,6 +782,16 @@ async fn submission_loop(
                     }
                 });
             }
+
+            Op::ClearHistory => {
+                if let Some(sess) = sess.as_ref() {
+                    let mut state = sess.state.lock().unwrap();
+                    if let Some(transcript) = state.zdr_transcript.as_mut() {
+                        transcript.clear();
+                    }
+                    state.previous_response_id = None;
+                }
+            }
         }
     }
     debug!("Agent loop exited");

codex-rs/core/src/conversation_history.rs

@@ -22,6 +22,11 @@ impl ConversationHistory {
         self.items.clone()
     }
 
+    /// clears the conversation history.
+    pub(crate) fn clear(&mut self) {
+        self.items.clear();
+    }
+
     /// `items` is ordered from oldest to newest.
     pub(crate) fn record_items<I>(&mut self, items: I)
     where

codex-rs/core/src/protocol.rs

@@ -108,6 +108,9 @@ pub enum Op {
 
     /// Request a single history entry identified by `log_id` + `offset`.
     GetHistoryEntryRequest { offset: usize, log_id: u64 },
+
+    /// Clear the message history.
+    ClearHistory,
 }
 
 /// Determines the conditions under which the user is consulted to approve