ops: oracle publisher LXC 3500/3501, CT migrate docs, Besu/RPC maintenance

- Provision oracle-publisher on CT 3500 (quoted DATA_SOURCE URLs, dotenv).
- Host-side pct-lxc-3501-net-up for ccip-monitor eth0 after migrate.
- CoinGecko key script: avoid sed & corruption; document quoted URLs.
- Besu node list reload, fstrim/RPC scripts, storage health docs.
- Submodule smom-dbis-138: web3 v6 pin, oracle check default host r630-02.

Made-with: Cursor

config/proxmox-operational-template.json

@@ -764,7 +764,7 @@
       "vmid": 3500,
       "hostname": "oracle-publisher-1",
       "ipv4": "192.168.11.29",
-      "preferred_node": "r630-01",
+      "preferred_node": "r630-02",
       "category": "oracle",
       "ports": [],
       "fqdns": []
@@ -773,7 +773,7 @@
       "vmid": 3501,
       "hostname": "ccip-monitor-1",
       "ipv4": "192.168.11.28",
-      "preferred_node": "r630-01",
+      "preferred_node": "r630-02",
       "category": "ccip",
       "ports": [],
       "fqdns": []