refactor(schema): extract public event definitions (#33579)

packages/schema/src/worktree-event.ts

@@ -0,0 +1,21 @@
+export * as WorktreeEvent from "./worktree-event"
+
+import { Schema } from "effect"
+import { Event } from "./event"
+
+export const Ready = Event.define({
+  type: "worktree.ready",
+  schema: {
+    name: Schema.String,
+    branch: Schema.optional(Schema.String),
+  },
+})
+
+export const Failed = Event.define({
+  type: "worktree.failed",
+  schema: {
+    message: Schema.String,
+  },
+})
+
+export const Definitions = Event.inventory(Ready, Failed)