/**
 * transcript-reader.ts
 *
 * Reads Claude Code session transcripts (.jsonl files) from disk.
 * Uses head+tail strategy so it handles 100MB+ files without loading them fully.
 *
 * Discovery order:
 *   1. File paths in tool calls → project slug (most reliable)
 *   2. First real user message → task description
 *   3. Recent tail exchanges → what was accomplished
 */
export interface SessionInfo {
    /** Absolute path to the .jsonl file */
    file: string;
    /** UUID from the filename */
    sessionId: string;
    /** File size in MB */
    sizeMb: number;
    /** Last write time */
    lastModified: Date;
    /** Best-guess project slug from file path patterns (e.g. "cdance-eu") */
    projectGuess: string | null;
    /** cwd field from first record (usually just home dir) */
    cwdGuess: string | null;
    /** First non-system user message (<300 chars) */
    firstUserMessage: string | null;
    /** Last N user+assistant exchanges formatted as text, for agent summarization */
    recentExchanges: string;
}
/** A parsed session plus its verbatim head+tail bytes (the lossless dump). */
export interface TranscriptByPath extends SessionInfo {
    /** head + "\n…\n" + tail of the transcript, capped at ~80KB. */
    rawTail: string;
}
/**
 * Wave 2: parse a SINGLE transcript by its absolute path (from the Stop hook's
 * `transcript_path`), reusing the same head/tail reader as readTodaySessions —
 * no second reader. Returns the parsed SessionInfo PLUS a verbatim `rawTail`
 * for the lossless archive tier. Returns null if the path is missing/unreadable.
 */
export declare function readTranscriptByPath(filePath: string): TranscriptByPath | null;
/**
 * Locate and parse all Claude Code sessions modified today.
 *
 * @param claudeDir  Directory containing the .jsonl files.
 *                   Defaults to ~/.claude/projects/-Users-{username}
 */
export declare function readTodaySessions(claudeDir?: string): SessionInfo[];
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