plex, redis: module runtime containers + declare self-consumed events (ADR 0052/0046)

plex gains a broker-bound tools/events runtime container (mesh-runtime-plex)
alongside its server, and a never-throwing plex_reachable health probe. redis and
postgres subscribe to their own lifecycle events in index.ts but declared no
consumes — so the substrate never made the queue the runtime binds and it crashed
on start (404). Declare the consume, as ADR 0046 requires. Proven end-to-end in the
mesh-lab: assigned-plex and assigned-redis both green.

Claude-Session: https://claude.ai/code/session_01LrgweAeERJYBg88c5cKDzF

modules/plex/module.json

@@ -99,6 +99,22 @@
         "/services/media/music:/music",
         "/services/media/audiobooks:/audiobooks"
       ]
+    },
+    {
+      "id": "runtime",
+      "type": "container",
+      "name": "mesh-plex",
+      "image": "mesh-runtime-plex@sha256:0000000000000000000000000000000000000000000000000000000000000000",
+      "network": "host",
+      "volumes": [
+        "/var/lib/mesh/plex/broker:/run/secrets/broker:ro",
+        "/services/plex/config:/var/lib/plex/config:ro"
+      ],
+      "env": {
+        "MESH_BROKER_FILE": "/run/secrets/broker",
+        "MESH_PLEX_URL": "http://127.0.0.1:32400",
+        "MESH_PLEX_DATA_DIR": "/var/lib/plex"
+      }
     }
   ]
 }