Sandbox server (#6383)

* feat: sandbox_server

* docker build

* action

projects/sandbox_server/package.json

@@ -0,0 +1,34 @@
+{
+  "name": "sandbox-server",
+  "version": "1.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "bun run --watch src/index.ts",
+    "build": "tsc --noEmit && bun build src/index.ts --outdir=dist --target=bun",
+    "start": "bun run src/index.ts",
+    "start:prod": "bun run dist/index.js",
+    "test": "vitest run",
+    "test:coverage": "vitest run --coverage",
+    "typecheck": "tsc --noEmit"
+  },
+  "exports": {
+    ".": "./src/index.ts",
+    "./sdk": "./src/sdk/index.ts"
+  },
+  "dependencies": {
+    "@hono/zod-openapi": "^1.2.1",
+    "@scalar/hono-api-reference": "^0.9.40",
+    "@t3-oss/env-core": "^0.13.10",
+    "axios": "^1.7.0",
+    "hono": "^4.11.7",
+    "zod": "^4.1.12"
+  },
+  "devDependencies": {
+    "@types/bun": "latest",
+    "@types/nock": "^11.1.0",
+    "@vitest/coverage-v8": "^3.0.9",
+    "nock": "^14.0.10",
+    "typescript": "^5.0.0",
+    "vitest": "^3.0.0"
+  }
+}