feat(core): port v2 command invocation (#34849)

packages/schema/src/command.ts

@@ -1,9 +1,12 @@
 export * as Command from "./command.js"
 
 import { Schema } from "effect"
+import { define, inventory } from "./event.js"
 import { optional } from "./schema.js"
 import { Model } from "./model.js"
 
+const Updated = define({ type: "command.updated", schema: {} })
+
 export interface Info extends Schema.Schema.Type<typeof Info> {}
 export const Info = Schema.Struct({
   name: Schema.String,
@@ -13,3 +16,8 @@ export const Info = Schema.Struct({
   model: Model.Ref.pipe(optional),
   subtask: Schema.Boolean.pipe(optional),
 }).annotate({ identifier: "CommandV2.Info" })
+
+export const Event = {
+  Updated,
+  Definitions: inventory(Updated),
+}