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//! Neutral contracts for provider credentials and user connections.
use crate::error::Result;
use crate::typed_id::SessionId;
use async_trait::async_trait;
use uuid::Uuid;
/// Provider credentials resolved for tool-side API clients.
#[derive(Debug, Clone)]
pub struct ProviderCredentials {
pub api_key: String,
pub base_url: Option<String>,
}
#[async_trait]
pub trait ProviderCredentialStore: Send + Sync {
/// Resolve default credentials for a provider type (for example `openai`).
///
/// Implementations may apply environment fallbacks internally, but tools
/// should never read provider env vars directly.
async fn get_default_provider_credentials(
&self,
provider_type: &str,
) -> Result<Option<ProviderCredentials>>;
}
/// Resolves user connection tokens (e.g. GitHub) lazily at tool execution time.
///
/// Instead of eagerly injecting tokens at session creation, tools call this
/// resolver when they need a token. If the user hasn't connected, returns None.
#[async_trait]
pub trait UserConnectionResolver: Send + Sync {
/// Get a decrypted connection token for the given provider.
/// Returns None if the user has no connection for this provider.
async fn get_connection_token(
&self,
session_id: SessionId,
provider: &str,
) -> Result<Option<String>>;
/// Resolve the user ID of the connection used for a session/provider pair.
///
/// This is used by leased resources to bind cleanup to the same provider
/// identity that created the remote resource.
async fn get_connection_user(
&self,
_session_id: SessionId,
_provider: &str,
) -> Result<Option<Uuid>> {
Ok(None)
}
/// Resolve a provider token for a specific user.
///
/// Cleanup workers use this to avoid "first org member wins" behavior when
/// cleaning resources created by a specific provider connection owner.
async fn get_connection_token_for_user(
&self,
_user_id: Uuid,
_provider: &str,
) -> Result<Option<String>> {
Ok(None)
}
/// Get provider-specific metadata stored alongside the connection.
/// Returns None if no metadata is stored or no connection exists.
async fn get_connection_metadata(
&self,
_session_id: SessionId,
_provider: &str,
) -> Result<Option<serde_json::Value>> {
Ok(None)
}
}