From 05a392425eb21428c1f5661e6aa4308c620ce73f Mon Sep 17 00:00:00 2001
From: OpenClaw <openclaw@local>
Date: Tue, 21 Apr 2026 09:59:22 +0800
Subject: [PATCH] fix(nav): publish valid JSON string with ros2 topic pub

---
 src/tinynav_cli/cli.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/tinynav_cli/cli.py b/src/tinynav_cli/cli.py
index 3c820b0..6d0171f 100644
--- a/src/tinynav_cli/cli.py
+++ b/src/tinynav_cli/cli.py
@@ -988,7 +988,8 @@ def run_nav_go(command: NavGoCommand) -> int:
         print(f"   👉 {exc}")
         return 1
     payload_json = json.dumps(payload, separators=(",", ":"))
-    msg_arg = shlex.quote(f"{{data: {payload_json}}}")
+    ros_msg_yaml = json.dumps({"data": payload_json}, separators=(",", ":"))
+    msg_arg = shlex.quote(ros_msg_yaml)
     result = _docker_exec_output(
         command.container_name,
         "source /opt/ros/*/setup.bash >/dev/null 2>&1 && "