import type { ExtensionContext } from "@earendil-works/pi-coding-agent";

/**
 * A reconciliation outlives the session it began in, and every extension ctx accessor throws once
 * that session is replaced or reloaded. Reading the branch is the only way to ask, so a replaced
 * session answers "no" instead of throwing into callers that have nowhere to catch it.
 */
export function onLiveBranch(ctx: ExtensionContext, entryId: string | null): boolean {
	try {
		const branch = ctx.sessionManager.getBranch();
		return entryId === null || branch.some((entry) => entry.id === entryId);
	} catch {
		return false;
	}
}