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>

shopdb/extensions.py

@@ -5,6 +5,7 @@ from flask_migrate import Migrate
 from flask_jwt_extended import JWTManager
 from flask_cors import CORS
 from flask_marshmallow import Marshmallow
+from flask_caching import Cache
 
 # Initialize extensions without app
 db = SQLAlchemy()
@@ -12,6 +13,7 @@ migrate = Migrate()
 jwt = JWTManager()
 cors = CORS()
 ma = Marshmallow()
+cache = Cache()
 
 
 def init_extensions(app):
@@ -23,3 +25,4 @@ def init_extensions(app):
         r"/api/*": {"origins": app.config.get('CORS_ORIGINS', '*')}
     })
     ma.init_app(app)
+    cache.init_app(app)