refactor(schema): isolate v1 contracts (#33769)

packages/schema/src/legacy-event.ts

@@ -1,18 +1 @@
-export * as LegacyEvent from "./legacy-event"
-
-import { Schema } from "effect"
-import { define, inventory } from "./event"
-import { SessionID } from "./session-id"
-import { SessionV1 } from "./session-v1"
-
-export const CommandExecuted = define({
-  type: "command.executed",
-  schema: {
-    name: Schema.String,
-    sessionID: SessionID,
-    arguments: Schema.String,
-    messageID: SessionV1.MessageID,
-  },
-})
-
-export const Definitions = inventory(CommandExecuted)
+export * from "./v1/legacy-event"