/**
 * trace.artifacts (M2) — project "what the agent produced" from the durable event log.
 *
 * Deterministic projection, no new write path: artifacts are DERIVED from the already-persisted
 * tool_start/tool_end pairs (S2 log), so they exist for every historical run and cannot drift from execution.
 * v1 produces two kinds:
 *  - `file`     — a successful `Write` / `Edit` call (deduped per path; the summary counts edits).
 *  - `git-push` — a successful `bash` call whose command contains `git push` (ref = the parsed refspec tail).
 * `diff` is declared in the wire schema but NOT produced in v1 (we don't capture patch bodies in the log) —
 * consumers must treat kinds as an open set. Args in the log are already secret-redacted at persist time.
 */
import type { RunEvent } from "../plugins/store-contracts.js";
export interface TraceArtifact {
    /** Stable within the task: `<taskId>:<n>` in first-seen order — safe as a UI key + dedupe handle. */
    id: string;
    taskId: string;
    /** Work-view correlation (omitted when the run has none) — lets the client group a job's artifacts. */
    jobId?: string;
    kind: "file" | "git-push";
    /** file: the workspace-relative path. git-push: the refspec tail (e.g. "origin HEAD:branch") or the command. */
    ref: string;
    summary?: string;
    /** file only (additive, P2 workspace "what changed how much"): HUNK-level line counts summed over the
     *  successful contributing calls — write_file counts its content lines as additions; edit_file counts
     *  new_string lines as additions + old_string lines as deletions. NOT a git diff (no patch bodies in the
     *  log); when a real patch store lands these move to the reserved `diff` kind with a patchRef. */
    additions?: number;
    deletions?: number;
    /** ts of the LAST successful contributing tool call. */
    createdAt: string;
}
/** Project the durable event log into artifacts. Events must be in seq order (getEvents guarantees it). */
export declare function projectArtifacts(events: readonly RunEvent[], run: {
    taskId: string;
    jobId?: string | null;
}): TraceArtifact[];
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