msg type -> wire::push() -> update handle wire into module/service/ect

crates/common/src/service.rs

@@ -1,16 +1,5 @@
-use std::any::Any;
-use std::sync::Arc;
-
 /// Opaque route key identifying a service subscription. Services name their
 /// own keys, so `common` never enumerates them and adding a service never
 /// edits this crate.
 #[derive(Clone, Copy, PartialEq, Eq, Hash, Debug)]
 pub struct Service(pub &'static str);
-
-/// A service event: the route key plus an erased typed payload. The app reads
-/// `key` for fan-out; the consuming module downcasts `payload`.
-#[derive(Clone, Debug)]
-pub struct ServiceEvent {
-    pub key: Service,
-    pub payload: Arc<dyn Any + Send + Sync>,
-}