chore(release): v0.3.40

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Cxwgnn2pbzQ7rXv3rq7fei

packages/contracts/deno.json

@@ -1,6 +1,6 @@
 {
   "name": "@umt/contracts",
-  "version": "0.3.39",
+  "version": "0.3.40",
   "exports": { ".": "./src/index.ts" },
   "tasks": {
     "test": "deno run -A npm:vitest run",