refactor(sdk): remove local legacy package

packages/protocol/script/generate-openapi.ts

@@ -0,0 +1,16 @@
+import { OpenApi } from "effect/unstable/httpapi"
+import { fileURLToPath } from "url"
+import { ClientApi } from "../src/client.js"
+
+const document = JSON.stringify(OpenApi.fromApi(ClientApi), null, 2) + "\n"
+const target = fileURLToPath(new URL("../openapi.json", import.meta.url))
+
+if (process.argv.includes("--check")) {
+  if ((await Bun.file(target).text()) !== document) {
+    console.error("Generated OpenAPI document is stale. Run `bun run generate` from packages/protocol.")
+    process.exit(1)
+  }
+  process.exit(0)
+}
+
+await Bun.write(target, document)