Observer embryo, Maestro done

GPS/actions/arena/arenaHandlers.js

@@ -1,6 +1,7 @@
 
 export const construct = (redisCnx) => {
     const tickMs = redisCnx.gpsSrv?.getGpsSettings().collisionTickMs ?? 100
+    // Interval always runs; tickArena no-ops until LIVE (see gpsServer.tickArena)
     setInterval(() => {
         redisCnx.gpsSrv?.tickArena()
     }, tickMs)
@@ -8,6 +9,24 @@ export const construct = (redisCnx) => {
 
 export const methods = {
 
+    handleLifecycleEvent(msg) {
+        const srv = this.gpsSrv
+        if(!srv) return
+
+        if(msg.eventType === 'onYourMarks') {
+            srv.onYourMarks(msg.payload ?? {}).catch(err => {
+                console.error(`[${this.redisId}] onYourMarks failed:`, err)
+                srv.publishReadyToStart({ success: false, err: err.message ?? 'onYourMarks failed' })
+            })
+            return
+        }
+
+        if(msg.eventType === 'bigBang') {
+            srv.onBigBang(msg.payload ?? {})
+            return
+        }
+    },
+
     handleAgentEvent(msg) {
         const agentId = msg.sender
         if(!agentId || typeof(agentId) !== 'string') {
@@ -34,7 +53,12 @@ export const methods = {
 
     dispatchArenaMessage(msg, chan) {
         const gps = this.config.gps
-        if(!gps || !this.gpsSrv) return false
+        if(!gps || !this.gpsSrv) return(false)
+
+        if(this.matchesChan(chan, gps.lifecycle?.arenaChannel ?? 'arena:lifecycle')) {
+            this.handleLifecycleEvent(msg)
+            return(true)
+        }
 
         if(this.matchesChan(chan, gps.agentVectorChangeChannel)) {
             this.handleAgentEvent(msg)