WEB_VAULT_ENABLED can not be changed from ENV_FILE, but it is implied that it can be

[slonkazoid]

Subject of the issue

WEB_VAULT_ENABLED can not be changed from ENV_FILE, but it is implied that it can be

Deployment environment

• vaultwarden version: 1.30.5-r2
• Install method: apk add vaultwarden vaultwarden-web-vault
• Clients used: not applicable
• Reverse proxy and version: Caddy 2.6.2
• MySQL/MariaDB or PostgreSQL version: postgresql 16.3
• Other relevant details: not applicable

Steps to reproduce

1. Install vaultwarden and the web vault
2. Set WEB_VAULT_ENABLED to true in ENV_FILE
3. Go to /admin/diagnostics
4. "Web Vault is disabled"

Expected behaviour

It should be more clear that you can not enable the web vault from the env file, or alternatively, it should let you enable the web vault from the env file.

Actual behaviour

The web vault feature is disabled even if you set the option, and you are not told why.

Troubleshooting data

not applicable