chore: bootstrap monorepo workspace and shared schemas

.env.example

@@ -0,0 +1,40 @@
+# ==========================================
+#  Database
+# ==========================================
+POSTGRES_USER=wishlist
+POSTGRES_PASSWORD=change_me
+POSTGRES_DB=family_wishlist
+# DATABASE_URL uses the docker-compose service name `postgres`.
+# When running backend outside docker against docker-postgres use localhost:5432.
+DATABASE_URL=postgresql://wishlist:change_me@postgres:5432/family_wishlist
+
+# ==========================================
+#  Users (two fixed accounts)
+#  Generate hashes with:
+#     pnpm hash-password "YourPlainPassword"
+#  The plain password is NEVER stored anywhere in the app.
+# ==========================================
+USER1_USERNAME=alice
+USER1_PASSWORD_HASH=
+USER1_SLUG=alice
+USER1_DISPLAY_NAME=Alice
+
+USER2_USERNAME=bob
+USER2_PASSWORD_HASH=
+USER2_SLUG=bob
+USER2_DISPLAY_NAME=Bob
+
+# ==========================================
+#  Secrets (generate: openssl rand -hex 32)
+# ==========================================
+JWT_SECRET=
+COOKIE_SECRET=
+
+# ==========================================
+#  Runtime
+# ==========================================
+NODE_ENV=development
+BACKEND_PORT=3000
+PUBLIC_APP_URL=http://localhost:8080
+UPLOADS_DIR=./uploads
+LOG_LEVEL=info