fix: gross-based batch discard, direction-correct event logs, wire CSV logger

counter_dashboard.py

@@ -601,7 +601,7 @@ def api_batch_stop():
 
         net_sack, net_box = net_counts(
             final_count, unloading, box_final, box_unloading)
-        discarded = should_discard_batch(net_sack, net_box)
+        discarded = should_discard_batch(final_count, box_final)
 
         if not discarded:
             conn = get_db()