export type GitOutcome = {
    status: 'pushed';
    sha: string;
} | {
    status: 'committed-local';
    sha: string;
} | {
    status: 'skipped';
    reason: string;
};
/** Create the repo if missing; stamp safety excludes. Never sets a git
 *  identity - commits use whatever user.name/user.email already exists in
 *  the repo or global gitconfig (no injected names of any kind). */
export declare function ensureRepo(cwd: string): void;
/** Porcelain v1 entries: "XY path" (renames collapse to the new path). */
export declare function snapshotGit(cwd: string): Set<string>;
/**
 * Commit exactly what changed since `before`, then push when origin exists.
 * Returns the outcome for logging / the closing comment. Never throws.
 * Commit message = the task title only - no author injection, no agent or
 * tool traces; git uses the machine's own configured identity.
 *
 * Refuses to commit on the default branch (main/master) — only worktrees
 * should produce commits. Returns `skipped` with reason 'on-default-branch'
 * when the working directory is on main/master.
 */
export declare function autoCommitSession(cwd: string, before: Set<string>, meta: {
    taskTitle: string;
}): Promise<GitOutcome>;