fix(catalog): keep the live catalog truthful after every import path

The live catalog store only covered part of the import surface. A durable
job settled, a sync queue drained, a .nitro upload or a clone run left the
Studio rail and the stats bar showing pre-import numbers until the page was
reloaded, and the Catalog Manager kept a second tree that never saw writes
made elsewhere in the session.

Every one of those paths now pulls the tree again, and the refresh carries
the totals with it: importing writes catalog rows server-side, so the counts
the store holds were stale for the rest of the session.

- refreshCatalogTree shares one request between concurrent callers and queues
  a single follow-up read when a write lands mid-flight, so a burst of edits
  costs at most one extra read.
- useFurnitureJobs treats its first payload as a baseline, so a page load no
  longer replays every past import as "just settled", and hands the settled
  jobs to the callback.
- The Catalog Manager pushes its own mutations into the store and re-reads its
  active tab when the store changes.
- The 30s unstable_cache on the admin totals is now tagged and invalidated from
  every catalog write, including the import worker, so it no longer survives an
  import even across a hard reload.

Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>

src/lib/services/furni-job-worker.ts

@@ -1,4 +1,5 @@
 import { randomUUID } from "node:crypto";
+import { invalidateCatalogTotals } from "@/features/catalog/server/catalog-totals";
 import { createStore, runWithStore } from "@/lib/foundation/request-context";
 import type { IpAddress, RequestId, UserId } from "@/lib/foundation/types";
 import { IMPORT_PHASES, type ImportJob } from "@/lib/furni/import-job";
@@ -232,6 +233,10 @@ async function drain() {
 								item.warnings ??= [];
 								item.warnings.push("Game cache refresh failed");
 							}
+					} finally {
+						// Offers and category pages were written either way; drop the
+						// admin totals cache so the next read matches this job.
+						invalidateCatalogTotals();
 					}
 				}),
 			);