Function reviewChanges

src/review-checkpoints.ts:74–110

({ workspaceId, root, since = "last_shown", markReviewed = true })

    },

    async reviewChanges({ workspaceId, root, since = "last_shown", markReviewed = true }) {
      let state = states.get(workspaceId);
      if (!state) {
        await this.initializeWorkspace({ workspaceId, root });
        state = states.get(workspaceId);
      }

      if (!state?.gitRoot) {
        throw new Error(state?.diagnostic ?? "show_changes requires a Git workspace in this version.");
      }

      const baselineRef = since === "workspace_open" ? state.openRef : state.baselineRef;
      const baseline = (await git(state.gitRoot, ["rev-parse", "--verify", `${baselineRef}^{commit}`])).stdout.trim();
      const current = await createWorkingTreeSnapshot(state.gitRoot);
      const patch = (await git(state.gitRoot, ["diff", "--binary", "--no-color", baseline, current], {
        maxBuffer: 50 * 1024 * 1024,
      })).stdout;
      const numstat = (await git(state.gitRoot, ["diff", "--numstat", "-z", baseline, current], {
        maxBuffer: 50 * 1024 * 1024,
      })).stdout;
      const files = parseNumstat(numstat);
      const summary = summarizeFiles(files);

      if (markReviewed) {
        await git(state.gitRoot, ["update-ref", state.baselineRef, current]);
      }

      return {
        result:
          summary.files === 0
            ? `No changes since ${since === "workspace_open" ? "workspace open" : "last shown changes"}.`
            : `Changed ${summary.files} ${summary.files === 1 ? "file" : "files"} (+${summary.additions} -${summary.removals}).`,
        summary,
        files,
        patch,
      };
    },
  };
}