Add missing views to QUICK_REFERENCE.md

Added 7 missing views:
- vw_downtime_by_type, vw_incident_durations (reports)
- vw_kb_by_application, vw_installed_apps_by_machine, vw_pc_app_stats (apps)
- vw_subnet_list, vw_usb_checkout_history (other)

Removed non-existent vw_machine_relationships reference

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

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

docs/QUICK_REFERENCE.md

@@ -331,7 +331,6 @@ All views defined in `sql/view_consolidation.sql`
 
 ### Relationship Views
 - `vw_equipment_pc_relationships` - PC-to-equipment links
-- `vw_machine_relationships` - All machine relationships
 
 ### Summary Views
 - `vw_warranty_status` - Warranty tracking
@@ -346,7 +345,18 @@ All views defined in `sql/view_consolidation.sql`
 ### Application Views
 - `vw_applications_list` - Apps with KB counts
 - `vw_knowledge_base` - KB articles with app info
+- `vw_kb_by_application` - KB grouped by application
 - `vw_installed_apps_summary` - App installation stats
+- `vw_installed_apps_by_machine` - Apps per machine
+- `vw_pc_app_stats` - PC application statistics
+
+### Reports/Charts Views
+- `vw_downtime_by_type` - Downtime stats by notification type
+- `vw_incident_durations` - Notification duration tracking
+
+### Other Views
+- `vw_subnet_list` - Network subnets
+- `vw_usb_checkout_history` - USB device checkout tracking
 
 ---