initial commit

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.env.example

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+# Database
+DATABASE_URL=mysql://user:password@localhost:3306/app
+
+# Server
+PORT=3001
+HOST=127.0.0.1
+APP_ENV=local
+
+# Auth — MUST regenerate for production: openssl rand -hex 32
+JWT_SECRET=generate-with-openssl-rand-hex-32
+ACCESS_TOKEN_EXPIRY=900
+REFRESH_TOKEN_SESSION_EXPIRY=3600
+REFRESH_TOKEN_REMEMBER_EXPIRY=2592000
+
+# TOTP — MUST regenerate for production: openssl rand -hex 32
+TOTP_ENCRYPTION_KEY=generate-with-openssl-rand-hex-32
+
+# File storage
+NAS_PATH=Z:/02_PROJEKTY
+MAX_UPLOAD_SIZE=52428800
+
+# Email
+CONTACT_EMAIL_TO=
+CONTACT_EMAIL_FROM=
+SMTP_FROM=
+
+# CORS (production only, comma-separated)
+CORS_ORIGINS=