fix(dashboards): server-room was missing views wrapper (blank render) + DRAC temps view [#618]

dashboards/server-room.yaml

@@ -1,7 +1,8 @@
 # Server Room dashboard [#618] — git-deployed via KNEL/pfv-bms
 title: Server Room
-type: panel
+views:
-cards:
+  - type: panel
+    cards:
       - type: grid
         columns: 2
         square: false
@@ -36,3 +37,49 @@ cards:
               **Server Room** — Proxmox hosts + Pis. Temperature sensors
               populate here after the SNMP migration (#618). Minisplit
               climate control lands with #614 (BTU loop Friday).
+  - title: Temps
+    type: sections
+    sections:
+      - type: grid
+        cards:
+          - type: gauge
+            entity: sensor.pfv_tsys6_drac_ambient
+            name: tsys6 ambient (DRAC)
+            min: 60
+            max: 100
+            unit: "°F"
+          - type: gauge
+            entity: sensor.pfv_tsys7_drac_inlet
+            name: tsys7 inlet (DRAC)
+            min: 60
+            max: 100
+            unit: "°F"
+          - type: gauge
+            entity: sensor.pfv_tsys7_drac_exhaust
+            name: tsys7 exhaust (DRAC)
+            min: 80
+            max: 130
+            unit: "°F"
+          - type: gauge
+            entity: sensor.pfv_tsys1_rack_temperature
+            name: tsys1 rack (TEMPer)
+            min: 60
+            max: 100
+            unit: "°F"
+          - type: history-graph
+            title: Server room temps (24h)
+            entities:
+              - sensor.pfv_tsys1_rack_temperature
+              - sensor.pfv_tsys6_drac_ambient
+              - sensor.pfv_tsys7_drac_inlet
+              - sensor.pfv_tsys7_drac_exhaust
+            hours_to_show: 24
+          - type: entities
+            title: Fleet CPU temps
+            entities:
+              - sensor.pfv_tsys3_cpu_temperature
+              - sensor.pfv_tsys6_cpu_temperature
+              - sensor.pfv_tsys7_cpu_temperature
+              - sensor.pfv_tsys9_cpu_temperature
+              - sensor.pfv_tsys7_drac_cpu1
+              - sensor.pfv_tsys7_drac_cpu2