workspace-digest

1import type { SkillRunContext } from "@cloudflare/think";2 3type WorkspaceEntry = { path: string; type: string; size: number };4 5/**6 * Function-style skill script (`export default run(input, ctx)`). Reads the7 * assistant's shared workspace through `ctx.workspace` (read-only) and a8 * bundled formatting hint through `ctx.files`, then returns a compact digest.9 */10export default async function run(input: unknown, ctx: SkillRunContext) {11  const dir =12    typeof input === "object" &&13    input !== null &&14    typeof (input as { dir?: unknown }).dir === "string"15      ? (input as { dir: string }).dir16      : "/";17 18  const pattern = dir === "/" ? "**/*" : `${dir.replace(/\/$/, "")}/**/*`;19  const entries = ((await ctx.workspace.glob(pattern).catch(() => [])) ??20    []) as WorkspaceEntry[];21  const files = entries.filter((entry) => entry.type === "file");22 23  const totalBytes = files.reduce((sum, file) => sum + (file.size ?? 0), 0);24  const listing = [...files]25    .sort((a, b) => (b.size ?? 0) - (a.size ?? 0))26    .slice(0, 25)27    .map((file) => `- ${file.path} (${file.size ?? 0} bytes)`);28 29  const formatHint = (ctx.files["references/format.md"] ?? "").trim();30 31  return [32    "# Workspace digest",33    "",34    `${files.length} file(s), ${totalBytes} bytes total under ${dir}.`,35    "",36    ...(listing.length ? listing : ["- (workspace is empty)"]),37    ...(formatHint ? ["", "<!-- formatting hint -->", formatHint] : [])38  ].join("\n");39}40