feat(velocity): legacy forwarding 列表跟随 CR 的 forwarding=legacy 标签实时更新 (#15)

docs/openapi.yaml

@@ -482,6 +482,12 @@ components:
         playerCountUnknown:
           type: boolean
           description: Present and true while the operator cannot read the player count over RCON; idle auto-stop waits until it can.
+        legacyForwarding:
+          type: boolean
+          description: >-
+            Present and true when the CR carries the label felis.lolicon.best/forwarding=legacy.
+            The proxy then forwards this server's players BungeeCord-style in the handshake
+            address instead of modern forwarding (Felis-Legacy Velocity fork only).
 
     FleetServer:
       description: One row of the fleet-wide admin read (internal/api/handlers_user.go fleetServerView).