fix(menu-detection): remove non-existent platform_dispensary_id_resolved_at column

The UPDATE query was trying to set a column that doesn't exist in the database
schema, causing platform ID resolution to fail silently. Now stores the
resolved_at timestamp in provider_detection_data JSONB instead.

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

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

backend/dist/dutchie-az/services/menu-detection.js

@@ -587,7 +587,6 @@ async function detectAndResolveDispensary(dispensaryId) {
         UPDATE dispensaries SET
           menu_type = 'dutchie',
           platform_dispensary_id = $1,
-          platform_dispensary_id_resolved_at = NOW(),
           provider_detection_data = COALESCE(provider_detection_data, '{}'::jsonb) ||
             jsonb_build_object(
               'detected_provider', 'dutchie'::text,
@@ -595,6 +594,7 @@ async function detectAndResolveDispensary(dispensaryId) {
               'detected_at', NOW(),
               'cname_extracted', $2::text,
               'platform_id_resolved', true,
+              'platform_id_resolved_at', NOW(),
               'resolution_error', NULL::text,
               'not_crawlable', false
             ),