v1.5.6: boneyard-js skeleton migration, TanStack Query refactor, rate-limit config

- Replace hand-coded skeleton CSS/JSX with boneyard-js auto-generated bones
- Remove skeleton.css and @keyframes shimmer from base.css
- Add <Skeleton> wrappers with fixtures to all 25+ page components
- Generate 20 bone captures via boneyard CLI (CDP auth-gated capture)
- Refactor data fetching from useEffect+useState to TanStack Query
- Extract query hooks into src/admin/lib/queries/ and apiAdapter
- Add usePaginatedQuery hook replacing useApiCall/useListData
- Fix parseFloat || 0 anti-pattern in OfferDetail and OffersTemplates inputs
- Fix customer_id mandatory validation on offer creation
- Fix leave-requests comma-separated status filter (Prisma enum in: [])
- Add cross-entity cache invalidation for orders/offers/invoices/projects
- Make rate limits configurable via env vars (RATE_LIMIT_MAX, RATE_LIMIT_REFRESH, etc.)
- Add boneyard.config.json with routes and breakpoints

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/routes/admin/leave-requests.ts

@@ -31,7 +31,10 @@ export default async function leaveRequestsRoutes(
     const where: Record<string, unknown> = {};
     if (!isAdmin || query.mine === "1") where.user_id = authData.userId;
     else if (query.user_id) where.user_id = Number(query.user_id);
-    if (query.status) where.status = String(query.status);
+    if (query.status) {
+      const statuses = String(query.status).split(",");
+      where.status = statuses.length === 1 ? statuses[0] : { in: statuses };
+    }
 
     const [requests, total] = await Promise.all([
       prisma.leave_requests.findMany({