fix(runtime-host): coordinate compatibility epoch

Author: SummerC0zyR0ck

packages/runtime-host/src/protocol/index.ts

@@ -106,8 +106,8 @@ export const RUNTIME_HOST_REGISTRATION_SCHEMA_VERSION = 1 as const;
 export const RUNTIME_HOST_PROTOCOL_VERSION = 0 as const;
 // Increment when the same protocol version no longer guarantees safe Client-Host
 // interoperability. Mismatches are rejected before domain commands are admitted.
-export const RUNTIME_HOST_COMPATIBILITY_EPOCH = 209 as const;
-// 209: Host change feed includes Artifact deletion and Session purge invalidation frames;
+export const RUNTIME_HOST_COMPATIBILITY_EPOCH = 211 as const;
+// 211: Host change feed includes Artifact deletion and Session purge invalidation frames;
 // the Artifact invalidation feed and guest routing require matching peers.
 // 208: Usage queries filter by model call kind. Epoch-207 peers reject the
 // filter or ignore it.