test: add Zopu integration smoke harness

package.json

@@ -40,6 +40,7 @@
     "check": "ultracite check",
     "lint": "vp lint",
     "format": "vp fmt",
+    "smoke:zopu": "bun scripts/zopu-smoke.ts",
     "staged": "vp staged",
     "hooks:setup": "vp config",
     "dev:native": "vp run --filter native dev",
@@ -62,16 +63,22 @@
   },
   "dependencies": {},
   "devDependencies": {
+    "@code/backend": "workspace:*",
     "@code/config": "workspace:*",
+    "@code/env": "workspace:*",
+    "@code/primitives": "workspace:*",
+    "@flue/sdk": "1.0.0-beta.9",
     "@types/bun": "catalog:",
     "@types/node": "^22.13.14",
+    "convex": "catalog:",
+    "convex-test": "catalog:",
+    "effect": "catalog:",
     "oxfmt": "latest",
     "oxlint": "latest",
     "rolldown": "1.1.4",
     "typescript": "catalog:",
     "ultracite": "7.9.3",
     "vite-plus": "0.2.2",
-    "convex-test": "catalog:",
     "vitest": "catalog:"
   },
   "overrides": {