feat: add unified admin Marketplace Letzshop page

- Add new Marketplace section in admin sidebar with Letzshop sub-item
- Remove old Import and Letzshop Orders items from Product Catalog
- Create unified Letzshop management page with 3 tabs:
  - Products tab: Import/Export functionality
  - Orders tab: Order management with confirm/reject/tracking
  - Settings tab: API credentials and CSV URLs
- Add unified jobs table showing imports, exports, and order syncs
- Implement vendor autocomplete using Tom Select library (CDN + fallback)
- Add /vendors/{vendor_id}/jobs API endpoint for unified job listing
- Move database queries to service layer (LetzshopOrderService)
- Add LetzshopJobItem and LetzshopJobsListResponse schemas
- Include Tom Select CSS/JS assets as local fallback

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/api/v1/admin/letzshop.py

@@ -31,6 +31,8 @@ from models.schema.letzshop import (
     LetzshopCredentialsCreate,
     LetzshopCredentialsResponse,
     LetzshopCredentialsUpdate,
+    LetzshopJobItem,
+    LetzshopJobsListResponse,
     LetzshopOrderListResponse,
     LetzshopOrderResponse,
     LetzshopSuccessResponse,
@@ -478,3 +480,47 @@ def trigger_vendor_sync(
             message=f"Sync failed: {e}",
             errors=[str(e)],
         )
+
+
+# ============================================================================
+# Jobs (Unified view of imports, exports, and syncs)
+# ============================================================================
+
+
+@router.get(
+    "/vendors/{vendor_id}/jobs",
+    response_model=LetzshopJobsListResponse,
+)
+def list_vendor_letzshop_jobs(
+    vendor_id: int = Path(..., description="Vendor ID"),
+    job_type: str | None = Query(None, description="Filter: import, export, order_sync"),
+    status: str | None = Query(None, description="Filter by status"),
+    skip: int = Query(0, ge=0),
+    limit: int = Query(20, ge=1, le=100),
+    db: Session = Depends(get_db),
+    current_admin: User = Depends(get_current_admin_api),
+):
+    """
+    Get unified list of Letzshop-related jobs for a vendor.
+    Combines product imports, exports, and order syncs.
+    """
+    order_service = get_order_service(db)
+
+    try:
+        order_service.get_vendor_or_raise(vendor_id)
+    except VendorNotFoundError:
+        raise ResourceNotFoundException("Vendor", str(vendor_id))
+
+    # Use service layer for database queries
+    jobs_data, total = order_service.list_letzshop_jobs(
+        vendor_id=vendor_id,
+        job_type=job_type,
+        status=status,
+        skip=skip,
+        limit=limit,
+    )
+
+    # Convert dict data to Pydantic models
+    jobs = [LetzshopJobItem(**job) for job in jobs_data]
+
+    return LetzshopJobsListResponse(jobs=jobs, total=total)