systemprompt-agent 0.2.2

Agent-to-Agent (A2A) protocol for systemprompt.io AI governance: streaming, JSON-RPC models, task lifecycle, .well-known discovery, and governed agent orchestration.
Documentation 
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use crate::services::a2a_server::handlers::state::AgentHandlerState;
use systemprompt_identifiers::UserId;

pub async fn validate_message_context(
    message: &crate::models::a2a::Message,
    user_id: Option<&UserId>,
    db_pool: &systemprompt_database::DbPool,
) -> Result<(), String> {
    let context_id = &message.context_id;

    let user_id =
        user_id.ok_or_else(|| "User authentication required for message processing".to_string())?;

    let user_id_str = user_id.as_str();
    if user_id_str == "missing-user-id" || user_id_str.is_empty() {
        return Err(
            "Authentication required: x-user-id header must be set by API proxy after JWT \
             validation"
                .to_string(),
        );
    }

    let context_repo = crate::repository::ContextRepository::new(db_pool)
        .map_err(|e| format!("Failed to create context repository: {e}"))?;
    context_repo
        .validate_context_ownership(context_id, user_id)
        .await
        .map_err(|e| format!("Context validation failed: {e}"))?;

    Ok(())
}

pub async fn should_require_oauth(state: &AgentHandlerState) -> bool {
    let config = state.config.read().await;
    config.oauth.required
}