Add TypeScript SDK scaffolding with CI and linting

sdk/typescript/package.json

@@ -0,0 +1,34 @@
+{
+    "name": "@anthropic/ext-grouping",
+    "version": "0.1.0",
+    "description": "MCP Grouping Extension — organize tools, prompts, and resources into named groups",
+    "type": "module",
+    "main": "dist/index.js",
+    "types": "dist/index.d.ts",
+    "files": [
+        "dist"
+    ],
+    "scripts": {
+        "build": "tsc",
+        "test": "vitest run",
+        "test:watch": "vitest",
+        "lint": "eslint src/ && prettier --check .",
+        "format": "prettier --write ."
+    },
+    "dependencies": {
+        "@modelcontextprotocol/sdk": "^1.27.0",
+        "zod": "^3.24.0"
+    },
+    "devDependencies": {
+        "@eslint/js": "^9.0.0",
+        "@types/node": "^25.3.0",
+        "eslint": "^9.0.0",
+        "eslint-config-prettier": "^10.0.0",
+        "prettier": "^3.0.0",
+        "tsx": "^4.19.0",
+        "typescript": "^5.7.0",
+        "typescript-eslint": "^8.0.0",
+        "vitest": "^3.0.0"
+    },
+    "license": "MIT"
+}