Add doma-mainnet op-geth node (Conduit OP-stack, chain 97477)

Conduit OP-stack L2 on Ethereum mainnet L1. Canyon-at-genesis; op-geth
ingests the Conduit genesis.json directly (no op-reth hash pitfall).
Config served from Conduit slug doma-mainnet-qvzsfv8nv0.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

compose_registry.json

@@ -4547,6 +4547,23 @@
       "celo-sepolia-op-geth-pruned-pebble-path_eigenda-proxy"
     ]
   },
+  {
+    "chain": "mainnet",
+    "client": "geth",
+    "compose_file": "op/geth/doma-mainnet-op-geth-pruned-pebble-path",
+    "features": [
+      "path",
+      "pebble"
+    ],
+    "network": "doma",
+    "node": "node",
+    "relay": null,
+    "stack": "op",
+    "type": "pruned",
+    "volumes": [
+      "doma-mainnet-op-geth-pruned-pebble-path"
+    ]
+  },
   {
     "chain": "mainnet",
     "client": "geth",