Fix branching logic and robot action timing

- Remove onCompleted() call after branch selection to prevent count increment
- Add proper duration estimation for speech actions (word count + emotion overhead)
- Add say_with_emotion and wave_goodbye to built-in actions
- Add identifier field to admin.ts plugin creation

scripts/archive/seed-nao6-plugin.ts

@@ -564,6 +564,7 @@ async function seedNAO6Plugin() {
 
     const pluginData: InsertPlugin = {
       robotId: robotId,
+      identifier: "nao6-ros2",
       name: "NAO6 Robot (Enhanced ROS2 Integration)",
       version: "2.0.0",
       description: