//! Optional GCP Secret Manager integration for tsafe.
//!
//! Pulls secrets from GCP Secret Manager and imports them into the local
//! tsafe vault. The local vault remains the single source of truth — Secret
//! Manager is purely a **read** source. No secret data is ever written back
//! to GCP.
//!
//! ## Configuration (environment variables)
//!
//! | Variable | Required | Description |
//! |-----------------------------------|----------|------------------------------------------------|
//! | `GOOGLE_CLOUD_PROJECT` | yes* | GCP project ID |
//! | `GCLOUD_PROJECT` | yes* | Alternate project ID env var |
//! | `GOOGLE_OAUTH_TOKEN` | auth† | Pre-obtained OAuth2 token (`gcloud auth print-access-token`) |
//! | `GOOGLE_APPLICATION_CREDENTIALS` | auth† | Path to ADC JSON file (authorized_user) |
//!
//! \* Project ID falls back to the GCE metadata server if neither env var is set.
//! † Authentication tries, in order: `GOOGLE_OAUTH_TOKEN` → GCE metadata server →
//! ADC file (`$GOOGLE_APPLICATION_CREDENTIALS` or
//! `~/.config/gcloud/application_default_credentials.json`).
//!
//! ## Key normalisation
//! Secret names such as `my-db-password` are normalised to `MY_DB_PASSWORD`
//! (hyphens and dots → underscores, uppercased) so they are immediately
//! usable as environment variables.
pub use ;
pub use GcpError;
pub use pull_secrets;