refactor: extract shared util package (#37828)

packages/util/package.json

@@ -0,0 +1,50 @@
+{
+  "$schema": "https://json.schemastore.org/package.json",
+  "name": "@opencode-ai/util",
+  "version": "1.18.3",
+  "private": true,
+  "type": "module",
+  "license": "MIT",
+  "exports": {
+    "./effect/layer-node": "./src/effect/layer-node.ts",
+    "./*": "./src/*.ts"
+  },
+  "imports": {
+    "#runtime-import": {
+      "bun": "./src/runtime/import.bun.ts",
+      "node": "./src/runtime/import.node.ts",
+      "default": "./src/runtime/import.bun.ts"
+    }
+  },
+  "scripts": {
+    "typecheck": "tsgo --noEmit"
+  },
+  "dependencies": {
+    "@effect/opentelemetry": "catalog:",
+    "@effect/platform-node": "catalog:",
+    "@npmcli/arborist": "catalog:",
+    "@npmcli/config": "10.8.1",
+    "@opencode-ai/ai": "workspace:*",
+    "@opentelemetry/api": "1.9.0",
+    "@opentelemetry/context-async-hooks": "2.6.1",
+    "@opentelemetry/exporter-trace-otlp-http": "0.214.0",
+    "@opentelemetry/sdk-trace-base": "2.6.1",
+    "cross-spawn": "catalog:",
+    "effect": "catalog:",
+    "glob": "13.0.5",
+    "mime-types": "3.0.2",
+    "minimatch": "10.2.5",
+    "npm-package-arg": "13.0.2",
+    "resolve.exports": "catalog:",
+    "xdg-basedir": "5.1.0"
+  },
+  "devDependencies": {
+    "@tsconfig/bun": "catalog:",
+    "@types/bun": "catalog:",
+    "@types/cross-spawn": "catalog:",
+    "@types/node": "catalog:",
+    "@types/npm-package-arg": "6.1.4",
+    "@types/npmcli__arborist": "6.3.3",
+    "@typescript/native-preview": "catalog:"
+  }
+}