workspace: pnpm monorepo with api, web, shared

TypeScript 7 strict, ESLint + Prettier, vitest, AGPL-3.0 license.
Decision 0001 records the latest-majors choice and the TS 6 alias.

Task: M0-T1

package.json

@@ -0,0 +1,31 @@
+{
+  "name": "selfphoneng",
+  "version": "0.0.0",
+  "private": true,
+  "license": "AGPL-3.0-or-later",
+  "type": "module",
+  "packageManager": "pnpm@11.10.0",
+  "engines": {
+    "node": ">=24"
+  },
+  "scripts": {
+    "dev": "pnpm --parallel --filter @selfphoneng/api --filter @selfphoneng/web dev",
+    "build": "pnpm -r build",
+    "test": "vitest run",
+    "lint": "eslint . && prettier --check .",
+    "format": "prettier --write .",
+    "typecheck": "pnpm -r typecheck"
+  },
+  "devDependencies": {
+    "@eslint/js": "^10.0.1",
+    "@types/node": "^24.19.2",
+    "@typescript/native": "npm:typescript@^7.0.2",
+    "eslint": "^10.13.0",
+    "eslint-plugin-react-hooks": "^7.1.1",
+    "globals": "^17.13.0",
+    "prettier": "^3.9.10",
+    "typescript": "npm:@typescript/typescript6@^6.0.2",
+    "typescript-eslint": "^8.71.2",
+    "vitest": "^5.0.5"
+  }
+}