chore(spec-api): scaffold @uatu/spec package metadata

TypeScript 5.6 with strict mode, bundler module resolution. Tests
run via node --test --experimental-strip-types so we don't need
vitest or a build step. Adds node_modules to .gitignore.

.gitignore

@@ -19,3 +19,6 @@ local.properties
 
 # Uatu runs
 /runs/
+
+# Node
+node_modules/

pkg/spec-api/package-lock.json

@@ -0,0 +1,47 @@
+{
+  "name": "@uatu/spec",
+  "version": "0.0.1",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "@uatu/spec",
+      "version": "0.0.1",
+      "devDependencies": {
+        "@types/node": "^22.7.5",
+        "typescript": "^5.6.3"
+      }
+    },
+    "node_modules/@types/node": {
+      "version": "22.19.17",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.19.17.tgz",
+      "integrity": "sha512-wGdMcf+vPYM6jikpS/qhg6WiqSV/OhG+jeeHT/KlVqxYfD40iYJf9/AE1uQxVWFvU7MipKRkRv8NSHiCGgPr8Q==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "undici-types": "~6.21.0"
+      }
+    },
+    "node_modules/typescript": {
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    },
+    "node_modules/undici-types": {
+      "version": "6.21.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
+      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
+      "dev": true,
+      "license": "MIT"
+    }
+  }
+}

pkg/spec-api/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "@uatu/spec",
+  "version": "0.0.1",
+  "description": "TypeScript spec API for Uatu (vendored locally; not published to npm in v0.1).",
+  "private": true,
+  "type": "module",
+  "main": "src/index.ts",
+  "types": "src/index.ts",
+  "scripts": {
+    "check": "tsc --noEmit",
+    "test": "node --test --experimental-strip-types test/*.test.ts"
+  },
+  "devDependencies": {
+    "@types/node": "^22.7.5",
+    "typescript": "^5.6.3"
+  }
+}

pkg/spec-api/tsconfig.json

@@ -0,0 +1,19 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "strict": true,
+    "noUncheckedIndexedAccess": true,
+    "noImplicitOverride": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "lib": ["ES2020"],
+    "types": ["node"],
+    "noEmit": true,
+    "allowImportingTsExtensions": true
+  },
+  "include": ["src/**/*.ts", "test/**/*.ts"]
+}