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/core/api/applications.py

@@ -5,7 +5,7 @@ from flask_jwt_extended import jwt_required
 
 from shopdb.extensions import db
 from shopdb.core.models import (
-    Application, AppVersion, AppOwner, SupportTeam, InstalledApp, Machine
+    Application, AppVersion, AppOwner, SupportTeam, InstalledApp, Machine, AuditLog
 )
 from shopdb.utils.responses import (
     success_response,
@@ -132,6 +132,10 @@ def create_application():
     )
 
     db.session.add(app)
+    db.session.flush()
+
+    AuditLog.log('created', 'Application', entityid=app.appid, entityname=app.appname)
+
     db.session.commit()
 
     return success_response(app.to_dict(), message='Application created', http_code=201)
@@ -163,10 +167,20 @@ def update_application(app_id: int):
         'applicationnotes', 'installpath', 'applicationlink', 'documentationpath',
         'ishidden', 'isprinter', 'islicenced', 'image', 'isactive'
     ]
+
+    changes = {}
     for key in fields:
         if key in data:
+            old_val = getattr(app, key)
+            new_val = data[key]
+            if old_val != new_val:
+                changes[key] = {'old': old_val, 'new': new_val}
             setattr(app, key, data[key])
 
+    if changes:
+        AuditLog.log('updated', 'Application', entityid=app.appid,
+                     entityname=app.appname, changes=changes)
+
     db.session.commit()
     return success_response(app.to_dict(), message='Application updated')
 
@@ -181,6 +195,9 @@ def delete_application(app_id: int):
         return error_response(ErrorCodes.NOT_FOUND, 'Application not found', http_code=404)
 
     app.isactive = False
+
+    AuditLog.log('deleted', 'Application', entityid=app.appid, entityname=app.appname)
+
     db.session.commit()
 
     return success_response(message='Application deleted')