DotEnvUp — encrypted .env file format and tools.

- @dotenvup/format: core .env.up parser, crypto, key management
- @dotenvup/cli: `up` command (lock, unlock, import, run, status, keys)
- @dotenvup/node: drop-in dotenv replacement
- VS Code / Cursor extension: one-click lock/unlock, key recovery, AI context
- dotenvup.com landing page
- 125 format/CLI tests + 24 extension tests
- MIT license

Co-authored-by: Cursor <cursoragent@cursor.com>