/**
 * CLAUDE.md hook injector — ensures CLAUDE.md contains an AIWG-managed
 * marker block with an `@AIWG.md` include.
 *
 * For provider=claude, AIWG.md still gets generated at project root the
 * same way as for other providers. The difference: claude reads CLAUDE.md
 * natively (not AGENTS.md), so we need a different bridge — a managed
 * block inside CLAUDE.md that pulls AIWG.md in via `@-mention`.
 *
 * Design:
 * - Marker block delimits AIWG-managed content; operator content outside
 *   the block is never touched.
 * - If CLAUDE.md exists without the block, append the block to the end.
 * - If CLAUDE.md exists with the block, update the block in place.
 * - If CLAUDE.md does not exist, create a minimal CLAUDE.md with just
 *   the marker block (operator will add their own content later).
 * - `--force` allows replacing the marker block content even when the
 *   block has been operator-modified inside (with backup).
 *
 * @issue #1437
 */
export declare const CLAUDE_HOOK_START = "<!-- AIWG:claude-md-hook:start -->";
export declare const CLAUDE_HOOK_END = "<!-- AIWG:claude-md-hook:end -->";
/**
 * The managed block that gets inserted into CLAUDE.md. Tells Claude Code
 * to load AIWG.md as the project context entry point. Kept short — the
 * actual context lives in AIWG.md.
 */
export declare function buildClaudeHookBlock(): string;
export interface ClaudeHookOptions {
    /** Whether to back up operator-modified content before replacing the block */
    force?: boolean;
    /** When true, refuse to update the block if it has drifted from canonical */
    detectExistingFiles?: boolean;
}
export interface ClaudeHookResult {
    /** Path of CLAUDE.md (always set if any action attempted) */
    claudeMdPath: string;
    /** What happened */
    action: 'created' | 'inserted' | 'updated' | 'unchanged' | 'skipped';
    /** Backup file path if --force replaced operator content */
    backupPath?: string;
    /** Non-fatal warnings */
    warnings: string[];
}
/**
 * Ensure CLAUDE.md at projectPath contains the AIWG-managed marker block
 * pointing at AIWG.md. Returns a result describing what was done.
 */
export declare function ensureClaudeMdHook(projectPath: string, opts?: ClaudeHookOptions): Promise<ClaudeHookResult>;
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