refactor(core): migrate to Bun and converge acquisition policies and Agent boundaries

packages/runtime/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "@umt/runtime",
+  "version": "0.3.44",
+  "private": true,
+  "type": "module",
+  "exports": {
+    ".": "./src/index.ts",
+    "./worker": "./src/worker.ts"
+  },
+  "scripts": {
+    "typecheck": "bun x --bun tsc --noEmit -p tsconfig.json",
+    "test": "bun x --bun vitest run"
+  },
+  "dependencies": {}
+}