/**
 * Look up a chat by ID, checking file storage first then falling back to filesystem.
 * Returns null if chat not found in either location. Does not throw errors.
 *
 * Used by both chats.ts and stream.ts routes.
 */
export declare function findChat(id: string, includeGitInfo?: boolean): any | null;
/**
 * Lightweight chat lookup for status checks — skips git info for performance.
 * Used by stream.ts for session status checks.
 */
export declare function findChatForStatus(id: string): any | null;
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