Add shared specialty module shell (Phase 2).

Overview/Visits/History/Billing/Workspace layout with stage maps, KPIs,
patient header/timeline, and service catalogs seeded into Billing on activate.
Emergency, Blood Bank, and Dentistry ship first-class shell configs.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Services/Care/SpecialtyModuleService.php

@@ -320,6 +320,16 @@ class SpecialtyModuleService
 
         $organization->update(['settings' => $settings]);
 
+        // Seed billable specialty services into provisioning (Billing Engine catalog).
+        try {
+            app(SpecialtyShellService::class)->seedServices($organization->fresh(), $key);
+        } catch (\Throwable $e) {
+            Log::warning('specialty_module.service_catalog_seed_failed', [
+                'key' => $key,
+                'message' => $e->getMessage(),
+            ]);
+        }
+
         $fresh = $organization->fresh();
         if (data_get($fresh?->settings, 'queue_integration_enabled')) {
             if (config('care.queue.driver', 'native') === 'native') {