Function updateAgentProvider

Returns {
    config: {
        agentName: string;
        createdTs: number;
        domain: string;
        environment: "development" | "staging" | "production";
        id: string;
        primaryTasks: string[];
        provider: {
            auth:
                | { env: string; type: "bearer_env" }
                | { env: string; header: string; type: "header_env" }
                | { env: string; param: string; type: "query_env" }
                | { type: "none" };
            baseUrl: string;
            openaiCompatible: boolean;
            routePrefix: string;
            templateId: string;
            upstreamId: string;
        };
        riskTier: "low"
        | "med"
        | "high"
        | "critical";
        role: string;
        stakeholders: string[];
        updatedTs: number;
    };
    configPath: string;
    sigPath: string;
}