Function setup_database

pub async fn setup_database() -> Result<Arc<DatabaseManager>>

Initializes the deployment database and registers all platforms.

• Loads the database URL from environment variables or falls back to defaults.
• Connects to the database and wraps the manager in an Arc for shared access.
• Discovers all platforms and pre-initializes their connection pools for fast access.

Errors

Returns an error if the database connection or platform pool initialization fails.