ripple: deployable mainnet + testnet rippled with health checks

Fix mainnet rippled.cfg (ws,http RPC, port_peer 13331), strip eth-isms
from x-upstreams, add testnet chain assets/compose, and wire --ripple
sync-status via check-health.sh server_info probe.

Co-authored-by: Cursor <cursoragent@cursor.com>

ripple/testnet/rippled.cfg

@@ -0,0 +1,88 @@
+[server]
+port_rpc_admin_local
+port_ws_public
+port_peer
+# port_ws_admin_local
+# ssl_key = /etc/ssl/private/server.key
+# ssl_cert = /etc/ssl/certs/server.crt
+
+[port_rpc_admin_local]
+port = 5005
+ip = 127.0.0.1
+admin = 127.0.0.1
+protocol = http
+
+[port_ws_public]
+port = 8545
+ip = 0.0.0.0
+protocol = ws,http
+
+[port_peer]
+port = 12986
+ip = 0.0.0.0
+protocol = peer
+
+# [port_ws_admin_local]
+# port = 6006
+# ip = 127.0.0.1
+# admin = 127.0.0.1
+# protocol = ws
+
+[node_size]
+small
+
+# tiny
+# small
+# medium
+# large
+# huge
+
+[node_db]
+type=NuDB
+path=/var/lib/rippled/db/nudb
+advisory_delete=0
+
+# How many ledgers do we want to keep (history)?
+# Integer value that defines the number of ledgers
+# between online deletion events
+online_delete=256
+
+[ledger_history]
+# How many ledgers do we want to keep (history)?
+# Integer value (ledger count)
+# or (if you have lots of TB SSD storage): 'full'
+256
+
+[database_path]
+/var/lib/rippled/db
+
+[debug_logfile]
+/var/lib/rippled/db/debug.log
+
+[sntp_servers]
+time.windows.com
+time.apple.com
+time.nist.gov
+pool.ntp.org
+
+[ips]
+s.altnet.rippletest.net 51235
+
+[network_id]
+testnet
+
+[validators_file]
+validators.txt
+
+[rpc_startup]
+{ "command": "log_level", "severity": "info" }
+
+# severity (order: lots of information .. only errors)
+# debug
+# info
+# warn
+# error
+# fatal
+
+[ssl_verify]
+1

ripple/testnet/validators.txt

@@ -0,0 +1,5 @@
+[validator_list_sites]
+    https://vl.altnet.rippletest.net
+
+[validator_list_keys]
+    ED264807102805220DA0F312E71FC2C69E1552C9C5790F6C25E3729DEB573D5860