copilotkit__copilotkit/examples/slack/app/sender-context.ts

import type { ContextEntry } from "@copilotkit/bot";
import type { PlatformUser } from "@copilotkit/bot-ui";

/**
 * Build the per-turn context naming the requesting user, so the agent
 * can act "as" them (filter Linear by their email, @-mention them). The
 * platform adapter resolves `{ id, name?, email? }` per turn; if it's absent
 * there's nothing to attribute, so we add no entry.
 */
export function senderContext(user: PlatformUser | undefined): ContextEntry[] {
  // `createBot` substitutes `{ id: "" }` for an unresolved sender (a truthy
  // object), so guard on a usable id — not mere object presence — otherwise we
  // emit a "Requesting user (user id )" entry with nothing to attribute.
  if (!user?.id) return [];
  const label = `${user.name ?? user.id}${user.email ? ` <${user.email}>` : ""} (user id ${user.id})`;
  return [{ description: "Requesting user", value: label }];
}