QDRANT_URL=localhost QDRANT_PORT=6334 # QDRANT_API_KEY= # QDRANT_TLS=false OPENAI_API_KEY=sk-... # EMBEDDING_BASE_URL=https://api.openai.com EMBEDDING_MODEL=text-embedding-3-small # Admin user bootstrap credentials ADMIN_USERNAME=admin ADMIN_PASSWORD=change-me # Optional: initial MCP session token for backward compatibility # MCP_TOKEN=legacy-token PORT=8080 SQLITE_PATH=flashcard.db HMAC_KEY_FILE=.secret