feat: Dashboard redesign, plan permissions, and help docs improvements

Major updates including:
- Customizable dashboard with drag-and-drop widget grid layout
- Plan-based feature locking for plugins and tasks
- Comprehensive help documentation updates across all pages
- Plugin seeding in deployment process for all tenants
- Permission synchronization system for subscription plans
- QuotaOverageModal component and enhanced UX flows

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

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

deploy.sh

@@ -98,6 +98,17 @@ docker compose -f docker-compose.production.yml exec -T django sh -c 'export DAT
 echo ">>> Collecting static files..."
 docker compose -f docker-compose.production.yml exec -T django sh -c 'export DATABASE_URL=postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DB} && python manage.py collectstatic --noinput'
 
+echo ">>> Seeding/updating platform plugins for all tenants..."
+docker compose -f docker-compose.production.yml exec -T django python -c "
+from django_tenants.utils import get_tenant_model
+from django.core.management import call_command
+Tenant = get_tenant_model()
+for tenant in Tenant.objects.exclude(schema_name='public'):
+    print(f'  Seeding plugins for {tenant.schema_name}...')
+    call_command('tenant_command', 'seed_platform_plugins', schema=tenant.schema_name, verbosity=0)
+print('  Done!')
+"
+
 echo ">>> Checking container status..."
 docker compose -f docker-compose.production.yml ps