feat(core): add command registry (#30624)

packages/core/src/plugin/command.ts

@@ -0,0 +1,29 @@
+export * as CommandPlugin from "./command"
+
+import { Effect } from "effect"
+import { CommandV2 } from "../command"
+import { Location } from "../location"
+import { PluginV2 } from "../plugin"
+import PROMPT_INITIALIZE from "./command/initialize.txt"
+import PROMPT_REVIEW from "./command/review.txt"
+
+export const Plugin = PluginV2.define({
+  id: PluginV2.ID.make("command"),
+  effect: Effect.gen(function* () {
+    const command = yield* CommandV2.Service
+    const location = yield* Location.Service
+    const transform = yield* command.transform()
+
+    yield* transform((editor) => {
+      editor.update("init", (command) => {
+        command.template = PROMPT_INITIALIZE.replace("${path}", location.project.directory)
+        command.description = "guided AGENTS.md setup"
+      })
+      editor.update("review", (command) => {
+        command.template = PROMPT_REVIEW.replace("${path}", location.project.directory)
+        command.description = "review changes [commit|branch|pr], defaults to uncommitted"
+        command.subtask = true
+      })
+    })
+  }),
+})