Add system settings, audit logging, user management, and dark mode fixes

System Settings:
- Add SystemSettings.vue with Zabbix integration, SMTP/email config, SAML SSO settings
- Add Setting model with key-value storage and typed values
- Add settings API with caching

Audit Logging:
- Add AuditLog model tracking user, IP, action, entity changes
- Add comprehensive audit logging to all CRUD operations:
  - Machines, Computers, Equipment, Network devices, VLANs, Subnets
  - Printers, USB devices (including checkout/checkin)
  - Applications, Settings, Users/Roles
- Track old/new values for all field changes
- Mask sensitive values (passwords, tokens) in logs

User Management:
- Add UsersList.vue with full user CRUD
- Add Role management with granular permissions
- Add 41 predefined permissions across 10 categories
- Add users API with roles and permissions endpoints

Reports:
- Add TonerReport.vue for printer supply monitoring

Dark Mode Fixes:
- Fix map position section in PCForm, PrinterForm
- Fix alert-warning in KnowledgeBaseDetail
- All components now use CSS variables for theming

CLI Commands:
- Add flask seed permissions
- Add flask seed settings

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

frontend/src/router/routes/core.js

@@ -33,6 +33,11 @@ export default [
     name: 'report-pc-relationships',
     component: () => import('../../views/reports/PCRelationshipsReport.vue')
   },
+  {
+    path: 'reports/toner',
+    name: 'toner-report',
+    component: () => import('../../views/reports/TonerReport.vue')
+  },
   {
     path: 'employees/:sso',
     name: 'employee-detail',
@@ -80,5 +85,23 @@ export default [
     name: 'businessunits',
     component: () => import('../../views/settings/BusinessUnitsList.vue'),
     meta: { requiresAuth: true, requiresAdmin: true }
+  },
+  {
+    path: 'settings/system',
+    name: 'system-settings',
+    component: () => import('../../views/settings/SystemSettings.vue'),
+    meta: { requiresAuth: true, requiresAdmin: true }
+  },
+  {
+    path: 'settings/auditlogs',
+    name: 'audit-logs',
+    component: () => import('../../views/settings/AuditLogs.vue'),
+    meta: { requiresAuth: true, requiresAdmin: true }
+  },
+  {
+    path: 'settings/users',
+    name: 'users',
+    component: () => import('../../views/settings/UsersList.vue'),
+    meta: { requiresAuth: true, requiresAdmin: true }
   }
 ]