Sync thread names from Codex

internal/codexapp/client.go

@@ -203,6 +203,22 @@ func (c *Client) ResumeThread(ctx context.Context, threadID string) (Thread, err
 	return result.Thread, nil
 }
 
+func (c *Client) ReadThread(ctx context.Context, threadID string) (Thread, error) {
+	if err := c.EnsureConnected(ctx); err != nil {
+		return Thread{}, err
+	}
+	var result struct {
+		Thread Thread `json:"thread"`
+	}
+	if err := c.call(ctx, "thread/read", map[string]any{
+		"threadId":     threadID,
+		"includeTurns": false,
+	}, &result); err != nil {
+		return Thread{}, err
+	}
+	return result.Thread, nil
+}
+
 func (c *Client) ForkThread(ctx context.Context, threadID string) (Thread, error) {
 	if err := c.EnsureConnected(ctx); err != nil {
 		return Thread{}, err

internal/codexapp/client_test.go

@@ -86,6 +86,31 @@ func TestClientWebSocketUnixJSONRPC(t *testing.T) {
 			return
 		}
 
+		var readThread map[string]any
+		if err := conn.ReadJSON(&readThread); err != nil {
+			serverDone <- err
+			return
+		}
+		if readThread["method"] != "thread/read" {
+			serverDone <- unexpectedMessage("thread/read", readThread["method"])
+			return
+		}
+		readParams := readThread["params"].(map[string]any)
+		if readParams["threadId"] != "thr_1" || readParams["includeTurns"] != false {
+			payload, _ := json.Marshal(readParams)
+			serverDone <- unexpectedMessage("thread/read params", string(payload))
+			return
+		}
+		if err := conn.WriteJSON(map[string]any{
+			"id": readThread["id"],
+			"result": map[string]any{
+				"thread": map[string]any{"id": "thr_1", "name": "Read title", "preview": "test"},
+			},
+		}); err != nil {
+			serverDone <- err
+			return
+		}
+
 		var setName map[string]any
 		if err := conn.ReadJSON(&setName); err != nil {
 			serverDone <- err
@@ -145,6 +170,13 @@ func TestClientWebSocketUnixJSONRPC(t *testing.T) {
 	if thread.ID != "thr_1" {
 		t.Fatalf("unexpected thread: %+v", thread)
 	}
+	readThread, err := client.ReadThread(ctx, "thr_1")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if readThread.ID != "thr_1" || readThread.Name != "Read title" {
+		t.Fatalf("unexpected read thread: %+v", readThread)
+	}
 	if err := client.SetThreadName(ctx, "thr_1", "Short title"); err != nil {
 		t.Fatal(err)
 	}