refactor(bus): migrate BusEvent to Effect Schema (#24040)

packages/opencode/src/bus/bus-event.ts

@@ -1,15 +1,19 @@
 import z from "zod"
-import type { ZodType } from "zod"
+import { Schema } from "effect"
+import { zodObject } from "@/util/effect-zod"
 
-export type Definition = ReturnType<typeof define>
+export type Definition<Type extends string = string, Properties extends Schema.Top = Schema.Top> = {
+  type: Type
+  properties: Properties
+}
 
 const registry = new Map<string, Definition>()
 
-export function define<Type extends string, Properties extends ZodType>(type: Type, properties: Properties) {
-  const result = {
-    type,
-    properties,
-  }
+export function define<Type extends string, Properties extends Schema.Top>(
+  type: Type,
+  properties: Properties,
+): Definition<Type, Properties> {
+  const result = { type, properties }
   registry.set(type, result)
   return result
 }
@@ -21,7 +25,7 @@ export function payloads() {
       return z
         .object({
           type: z.literal(type),
-          properties: def.properties,
+          properties: zodObject(def.properties),
         })
         .meta({
           ref: `Event.${def.type}`,