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

crates/common/src/effect.rs

@@ -1,5 +1,7 @@
 use iced::{window, Rectangle};
 
+use crate::Wire;
+
 /// What a module asks the app to do — the single effect vocabulary shared by
 /// modules and app, so mapping module output into a `Message` is a plain
 /// `.map(Message::Effect)` with no mirror enum.
@@ -12,4 +14,6 @@ pub enum ModuleEffect {
     BoundsFound(String, Rectangle),
     /// Request removal of the popup surface.
     ClosePopup(window::Id),
+    /// Route a wire to its target (a module, a service inbox, or a topic).
+    Send(Wire),
 }