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

eslint.config.js

@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: AGPL-3.0-or-later
+import js from '@eslint/js';
+import tseslint from 'typescript-eslint';
+import reactHooks from 'eslint-plugin-react-hooks';
+import globals from 'globals';
+
+export default tseslint.config(
+  { ignores: ['**/dist/', 'data/', '**/node_modules/'] },
+  js.configs.recommended,
+  tseslint.configs.recommended,
+  { languageOptions: { globals: globals.node } },
+  {
+    files: ['apps/web/**/*.{ts,tsx}'],
+    languageOptions: { globals: globals.browser },
+    ...reactHooks.configs.flat.recommended,
+  },
+);