fix: telegraf containers names + openremote pg image + session snapshot 2026-05-25

- telegraf.conf: fix Mosquitto/BunkerM container names (hyphens not underscores)
- tegraf.conf: comment out BunkerM consumer (auth fails, simulator not sending)
- openremote/docker-compose.yml: switch PG image to timescaledb-ha:pg15 (fixes timescaledb_toolkit crash)
- Add session_resume + architecture snapshot 2026-05-25
- Update TODO.md with current status

telegraf.conf

@@ -27,7 +27,7 @@
 
 # Input: MQTT Consumer - Mosquitto
 [[inputs.mqtt_consumer]]
-  servers = ["tcp://smart-city-mosquitto:1883"]
+  servers = ["tcp://smart-city-digital-twin-martinique-mosquitto-1:1883"]
   topics = [
     "airquality/#",
     "traffic/#",
@@ -41,23 +41,23 @@
   data_format = "json"
   qos = 0
 
-# Input: MQTT Consumer - BunkerM (with auth)
-[[inputs.mqtt_consumer]]
-  servers = ["tcp://bunkerm_bunkerm_1:1900"]
-  topics = [
-    "airquality/#",
-    "traffic/#",
-    "parking/#",
-    "noise/#",
-    "weather/#",
-    "light/#",
-    "sensor/#",
-    "smartcity/#"
-  ]
-  data_format = "json"
-  qos = 0
-  username = "bunker"
-  password = "bunker"
+# Input: MQTT Consumer - BunkerM (DISABLED - auth fails, simulator not sending here)
+# [[inputs.mqtt_consumer]]
+#   servers = ["tcp://bunkerm-bunkerm-1:1900"]
+#   topics = [
+#     "airquality/#",
+#     "traffic/#",
+#     "parking/#",
+#     "noise/#",
+#     "weather/#",
+#     "light/#",
+#     "sensor/#",
+#     "smartcity/#"
+#   ]
+#   data_format = "json"
+#   qos = 0
+#   username = "bunker"
+#   password = "bunker"
 
 # Output: InfluxDB v2
 [[outputs.influxdb_v2]]