/**
 * Check if HEAD is at or behind origin/main.
 * Returns true when all local commits are already on main —
 * meaning @{u}..HEAD comparisons would give false positives
 * (e.g., after squash-merge + reset to main).
 */
export declare function headIsOnMain(cwd: string): boolean;
/**
 * Record git status baseline for a session. Only writes on first call per session.
 * Returns true if a new baseline was created, false if one already existed.
 */
export declare function recordBaseline(sessionId: string, cwd: string): boolean;
/**
 * Load the set of files that were dirty at session start.
 * Returns a Set of file paths (from git status --porcelain output).
 */
export declare function loadBaseline(sessionId: string, cwd: string): Set<string>;
/**
 * Clean up the baseline file for a session.
 */
export declare function removeBaseline(sessionId: string, cwd: string): void;
export interface ActiveWorktree {
    path: string;
    branch: string;
    /** Unpushed commit count (0 if clean) */
    unpushed: number;
}
/**
 * Detect active agent worktrees with unpushed work.
 * Parses `git worktree list --porcelain` for non-bare worktrees.
 */
export declare function getActiveWorktrees(cwd: string): ActiveWorktree[];
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