feat(core): Implement P0 microkernel features - plugin loader, DI, lifecycle management

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

packages/core/package.json

@@ -18,7 +18,8 @@
   "dependencies": {
     "@objectstack/spec": "workspace:*",
     "pino": "^8.17.0",
-    "pino-pretty": "^10.3.0"
+    "pino-pretty": "^10.3.0",
+    "zod": "^3.22.0"
   },
   "peerDependencies": {
     "pino": "^8.0.0"