- flake.nix: Flutter 3.41.6, Android SDK, Stalwart, GTK3/build
tools for Linux desktop, go-task
- .envrc: copied from sharedinbox — use flake + dotenv_if_exists
- Taskfile.yml: analyze, test, integration, codegen, run tasks
- stalwart-dev/: IMAP+SMTP dev server reused from sharedinbox
- test/integration/imap_sync_test.dart: login, list mailboxes,
send via SMTP and receive via IMAP
- pubspec.yaml: add flutter_secure_storage
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
