docs(osc): document dual /data/pose listeners

data_only_viz/osc_listener.py

@@ -100,6 +100,8 @@ def _build(state: State) -> dispatcher.Dispatcher:
             with state.lock(): state.social_rate = float(args[0])
     d.map("/data/bluesky/rate", _social)
 
+    # NOTE: sound_algo/control/data_feeds.scd also listens to /data/pose/{count,skel}
+    # for sonification. Both consumers are intentional. Do NOT consolidate.
     def _pose_count(addr, *args):
         if args:
             with state.lock():

sound_algo/control/data_feeds.scd

@@ -185,6 +185,10 @@
     \sho_l, \sho_r, \elb_l, \elb_r, \wri_l, \wri_r,
     \hip_l, \hip_r, \kne_l, \kne_r, \ank_l, \ank_r];
 
+// NOTE: /data/pose/count and /data/pose/skel are ALSO consumed by
+// data_only_viz/osc_listener.py for Metal rendering. This is intentional —
+// both subsystems update their own state. Do NOT consolidate; they live
+// in different processes.
 ~feedDefPriv.(\d_pose_count, '/data/pose/count', { |msg|
     ~feedSet.(\pose_count, msg[1]);
 });