feat(automations): sensor watchdog; DRACs in high-temp trigger; drop dead tsys9 refs [#344][#625]

automations.yaml

@@ -26,7 +26,6 @@
   - trigger: numeric_state
     entity_id:
     - sensor.tsys1_ups_battery_charge
-    - sensor.tsys9_ups_battery_charge
     below: 40
   conditions:
   - condition: template
@@ -107,6 +106,11 @@
     - sensor.pfv_subopi3_temperature
     - sensor.pfv_subopi_dev_3_temperature
     - sensor.pfv_subopi_dev_4_temperature
+    - sensor.pfv_tsys6_drac_ambient
+    - sensor.pfv_tsys7_drac_inlet
+    - sensor.pfv_tsys7_drac_exhaust
+    - sensor.pfv_tsys7_drac_cpu1
+    - sensor.pfv_tsys7_drac_cpu2
     above: 104
   actions:
   - action: notify.send_message
@@ -121,3 +125,29 @@
       data:
         priority: 1
   mode: single
+- id: pfv_plant_sensor_watchdog
+  alias: PFV plant - sensor watchdog (unavailable sensors)
+  description: HA is the environmental brain (#344) — a silent sensor is an outage.
+    Re-alert suppressed by 4h cooldown via last_notified input_text if present.
+  triggers:
+  - trigger: time_pattern
+    minutes: /30
+  actions:
+  - action: notify.send_message
+    target:
+      entity_id:
+      - notify.ultix_sidecar_new
+      - notify.allthes_ipad
+    data:
+      title: SENSOR WATCHDOG
+      message: >-
+        {% set fleet = states.sensor | selectattr('entity_id', 'match', 'sensor\.pfv_')
+          | list %}
+        {% set dead = fleet | selectattr('state', 'in', ['unavailable', 'unknown']) | list %}
+        {% if dead | length > 0 %}
+          {{ dead | length }} of {{ fleet | length }} fleet sensors silent:
+          {{ dead | map(attribute='entity_id') | join(', ') }}
+        {% else %}
+          all {{ fleet | length }} fleet sensors OK
+        {% endif %}
+  mode: single