AES-256-GCM encryption for credential storage, YAML seed config
parser with validation, and transactional import into SQLite.
Credentials (registry tokens, NPM password) encrypted before storage.
Initialize Go module, directory structure, and full SQLite store layer:
- 7-table schema (projects, stages, registries, settings, instances,
deploys, deploy_logs) with auto-migration
- CRUD operations for all entities with proper error handling
- ErrNotFound sentinel for distinguishing 404 from 500 in handlers
- WAL mode, foreign keys, busy timeout pragmas