DB: bazénové čerpadlo přes Shelly relé (V085)

- ems.asset_pool_pump (endpoint http, rated_power_w, min_run_min,
  daily_runtime_min jako aktuální sezónní hodnota, schedulable)
- ems.telemetry_pool_pump — 1min hypertable (is_on, power_w, energy_wh_total)
- signal_def POOL_PUMP_ON (bool) pro ovládání přes signal infrastrukturu
- fn_telemetry_pool_pump_sample (R__092), vw_asset_pool_pump_http_poll (R__093)
- fn_signal_enqueue_bool (R__094) — SQL-first zařazení bool signálu do fronty

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

db/routines/R__092_fn_telemetry_pool_pump_sample.sql

@@ -0,0 +1,32 @@
+create or replace function ems.fn_telemetry_pool_pump_sample(
+  p_site_id int,
+  p_pump_id int,
+  p_measured_at timestamptz,
+  p_is_on boolean,
+  p_power_w int,
+  p_energy_wh_total bigint
+)
+returns void
+language sql
+as $fn$
+  insert into ems.telemetry_pool_pump (
+    site_id,
+    pump_id,
+    measured_at,
+    is_on,
+    power_w,
+    energy_wh_total
+  )
+  values (
+    p_site_id,
+    p_pump_id,
+    p_measured_at,
+    p_is_on,
+    p_power_w,
+    p_energy_wh_total
+  )
+  on conflict (pump_id, measured_at) do nothing;
+$fn$;
+
+comment on function ems.fn_telemetry_pool_pump_sample is
+  'Insert 1min telemetrie bazénového čerpadla (Shelly Switch.GetStatus: output, apower, aenergy.total). Volá telemetry_collector.poll_pool_pumps.';