feat(m1): project foundation setup - Next.js 15, Tailwind, tooling, CI

- Configure Next.js 15 (App Router, Node.js runtime, serverExternalPackages for better-sqlite3/bcrypt)

- Add Tailwind CSS, PostCSS, tsconfig with @/* alias

- Create app structure (layout, page, globals.css)

- Create directory structure (lib, repositories, services, components, tests)

- Configure Vitest (alias, coverage), Playwright

- Add dependencies: next, react, better-sqlite3, bcrypt, react-markdown, etc.

- Add .env.example, CI workflow, next-env.d.ts

- Remove boilerplate src/example files

package.json

@@ -1,36 +1,58 @@
 {
-  "name": "opencode-spec-driven-boilerplate",
+  "name": "opengroupware",
   "version": "0.1.0",
-  "description": "Spec-driven development boilerplate for opencode",
+  "description": "Simple project-based groupware built with Next.js 15, TypeScript, and SQLite",
   "type": "module",
   "scripts": {
     "prepare": "husky",
-    "build": "tsc",
-    "dev": "tsc --watch",
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
     "lint": "eslint .",
-    "format": "npx prettier --write .",
+    "format": "prettier --write .",
     "typecheck": "tsc --noEmit",
     "test": "vitest run",
     "test:watch": "vitest",
+    "test:e2e": "playwright test",
     "test:coverage": "vitest run --coverage",
-    "test:ui": "vitest --ui"
+    "migrate": "tsx lib/db/run-migrations.ts"
   },
   "keywords": [
-    "spec-driven-development",
-    "opencode",
-    "template"
+    "groupware",
+    "nextjs",
+    "sqlite"
   ],
-  "author": "",
+  "author": "Ken Yasue",
   "license": "MIT",
+  "dependencies": {
+    "bcrypt": "^5.1.1",
+    "better-sqlite3": "^11.3.0",
+    "next": "^15.1.0",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0",
+    "react-markdown": "^9.0.1",
+    "rehype-sanitize": "^6.0.0",
+    "remark-gfm": "^4.0.0"
+  },
   "devDependencies": {
+    "@playwright/test": "^1.49.0",
+    "@types/bcrypt": "^5.0.2",
+    "@types/better-sqlite3": "^7.6.11",
     "@types/node": "^20.11.0",
+    "@types/react": "^19.0.0",
+    "@types/react-dom": "^19.0.0",
     "@vitest/coverage-v8": "^2.0.0",
     "@vitest/ui": "^2.0.0",
+    "autoprefixer": "^10.4.20",
     "eslint": "^9.0.0",
+    "eslint-config-next": "^15.1.0",
     "eslint-config-prettier": "^9.1.0",
     "husky": "^9.0.0",
     "lint-staged": "^15.2.0",
+    "postcss": "^8.4.49",
     "prettier": "^3.2.0",
+    "tailwindcss": "^3.4.15",
+    "tsx": "^4.19.2",
     "typescript": "~5.3.0",
     "typescript-eslint": "^8.0.0",
     "vitest": "^2.0.0"