fix: add --version to adapter CLIs, read VERSION from package.json

- All uwf-* adapter CLIs now support --version / -V
- util VERSION constant reads from package.json at runtime
- agent-hermes ACP clientInfo uses dynamic VERSION

小橘 🍊（NEKO Team）

packages/util/src/version.ts

@@ -1,2 +1,9 @@
-// This version is kept in sync with package.json during releases.
-export const VERSION = "0.1.0";
+import { readFileSync } from "node:fs";
+import { dirname, join } from "node:path";
+import { fileURLToPath } from "node:url";
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+const pkg = JSON.parse(readFileSync(join(__dirname, "..", "package.json"), "utf-8")) as {
+  version: string;
+};
+export const VERSION = pkg.version;