new internal concept: operating mode. will allow for more UI and separate pages to be made to operate things other than rovers. Converted PTZ to new system.

server/src/services/overseerControlService/index.js

@@ -396,11 +396,6 @@ async function runDecision(triggerReason) {
     .filter((entry) => Number(entry?.ts || 0) >= runtime.contextResetAt)
     .filter((entry) => {
       if (!entry?.roverId) return true;
-      /*
-        Chat context should preserve every public chat target, including the
-        PTZ virtual rover. Rover replay visibility alone would drop PTZ because
-        it is owned by ptzCameraService instead of roverManager.
-      */
       return isPublicChatTargetId(entry.roverId);
     })
     .slice(-(MAX_CHAT_CONTEXT + MAX_BOT_CONTEXT));