Add crawler scheduler, orchestrator, and multi-category intelligence

- Add scheduler UI with store schedules, job queue, and global settings
- Add store crawl orchestrator for intelligent crawl workflow
- Add multi-category intelligence detection (product, specials, brands, metadata)
- Add CrawlerLogger for structured JSON logging
- Add migrations for scheduler tables and dispensary linking
- Add dispensary → scheduler navigation link
- Support production/sandbox crawler modes per provider

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

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

frontend/src/components/Layout.tsx

@@ -11,6 +11,7 @@ import {
   TrendingUp,
   Wrench,
   Activity,
+  Clock,
   Shield,
   FileText,
   Settings,
@@ -147,6 +148,12 @@ export function Layout({ children }: LayoutProps) {
               label="Tools"
               isActive={isActive('/scraper-tools')}
             />
+            <NavLink
+              to="/scraper-schedule"
+              icon={<Clock className="w-4 h-4" />}
+              label="Schedule"
+              isActive={isActive('/scraper-schedule')}
+            />
             <NavLink
               to="/scraper-monitor"
               icon={<Activity className="w-4 h-4" />}