fix: consolidate controller statistics widgets

plugins/shd-mcp-plugin/skills/shd-agents-operations/SKILL.md

@@ -25,10 +25,18 @@ configuration.
 - For current states across controllers, call `shd_get_home_live_state`, then
   `shd_render_controller_live_state_widget`.
 - For one presence, binary state or numeric sensor statistics, call
-  `shd_get_controller_state_statistics`, then
-  `shd_render_controller_statistics_widget`. The server result is authoritative
-  for counts, intervals, durations, percentages, medians and hourly buckets;
-  do not calculate them from raw history in the model.
+  `shd_get_controller_state_statistics` once for the exact canonical
+  controller/item/source series, then call
+  `shd_render_controller_statistics_widget` once with that final result. For a
+  request containing several explicitly named rooms/sensors or an all-together
+  request, resolve only matching requested measurements, call the data tool once per selected series, collect the complete
+  results with visible room/item labels into one `data.series` collection, and
+  call the render tool once for the collection. The server result is
+  authoritative for counts, intervals, durations, percentages, medians and
+  hourly buckets; do not calculate them from raw history in the model. Do not
+  enumerate every inventory match, render retries/intermediate results or an
+  unavailable optional source. Resolve controller and item IDs from
+  topology/inventory, not display names.
 - For raw time-series history, call `shd_get_controller_source_history`, then
   `shd_render_controller_history_widget`. Keep the detailed rows in the widget
   after a successful render and use plain text only when the UI call is