refactor(schema): apply session review decisions (#35793)

packages/schema/src/command.ts

@@ -4,6 +4,7 @@ import { Schema } from "effect"
 import { ephemeral, inventory } from "./event.js"
 import { optional } from "./schema.js"
 import { Model } from "./model.js"
+import { Agent } from "./agent.js"
 
 const Updated = ephemeral({ type: "command.updated", schema: {} })
 
@@ -12,10 +13,10 @@ export const Info = Schema.Struct({
   name: Schema.String,
   template: Schema.String,
   description: Schema.String.pipe(optional),
-  agent: Schema.String.pipe(optional),
+  agent: Agent.ID.pipe(optional),
   model: Model.Ref.pipe(optional),
   subtask: Schema.Boolean.pipe(optional),
-}).annotate({ identifier: "CommandV2.Info" })
+}).annotate({ identifier: "Command.Info" })
 
 export const Event = {
   Updated,