fix(models): restore Base inheritance to TicketStatusHistory model

- Re-add Base inheritance to TicketStatusHistory class for proper SQLAlchemy ORM registration
- Import Base from app.core.database module
- Update devlog with additional runtime error logs showing mapper initialization failures
- Resolves SQLAlchemy mapper initialization errors when TicketStatusHistory relationship is referenced in Ticket model

docs/devlogs/server/runtimeerror.txt

@@ -44,4 +44,29 @@ INFO: 2025-11-30T10:08:39 - app.core.supabase_auth: User signed in successfully:
 ERROR: 2025-11-30T10:08:39 - app.api.v1.auth: Login error: One or more mappers failed to initialize - can't proceed with initialization of other mappers. Triggering mapper: 'Mapper[Ticket(tickets)]'. Original exception was: When initializing mapper Mapper[Ticket(tickets)], expression 'TicketStatusHistory' failed to locate a name ('TicketStatusHistory'). If this is a class name, consider adding this relationship() to the <class 'app.models.ticket.Ticket'> class after both dependent classes have been defined.
 ERROR: 2025-11-30T10:08:39 - app.services.audit_service: Failed to create audit log: One or more mappers failed to initialize - can't proceed with initialization of other mappers. Triggering mapper: 'Mapper[Ticket(tickets)]'. Original exception was: When initializing mapper Mapper[Ticket(tickets)], expression 'TicketStatusHistory' failed to locate a name ('TicketStatusHistory'). If this is a class name, consider adding this relationship() to the <class 'app.models.ticket.Ticket'> class after both dependent classes have been defined.
 INFO:     10.16.25.209:28616 - "POST /api/v1/auth/login HTTP/1.1" 401 Unauthorized
-INFO:     10.16.34.155:12295 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.34.155:12295 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.6.70:18122 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.6.70:5588 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.25.209:12555 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.6.70:58652 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.18.114:8697 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.6.70:7897 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.6.70:39538 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.11.176:6264 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.6.70:5580 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.25.209:28827 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.34.155:27217 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.6.70:44523 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.34.155:25939 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.34.155:3936 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.6.70:62519 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.11.176:51920 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.18.114:28609 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.11.176:8729 - "GET / HTTP/1.1" 200 OK
+INFO:     10.16.34.155:40138 - "GET /health HTTP/1.1" 200 OK
+INFO: 2025-11-30T10:16:27 - app.core.supabase_auth: User signed in successfully: viyisa8151@feralrex.com
+ERROR: 2025-11-30T10:16:27 - app.api.v1.auth: Login error: One or more mappers failed to initialize - can't proceed with initialization of other mappers. Triggering mapper: 'Mapper[Ticket(tickets)]'. Original exception was: When initializing mapper Mapper[Ticket(tickets)], expression 'TicketStatusHistory' failed to locate a name ('TicketStatusHistory'). If this is a class name, consider adding this relationship() to the <class 'app.models.ticket.Ticket'> class after both dependent classes have been defined.
+ERROR: 2025-11-30T10:16:27 - app.services.audit_service: Failed to create audit log: One or more mappers failed to initialize - can't proceed with initialization of other mappers. Triggering mapper: 'Mapper[Ticket(tickets)]'. Original exception was: When initializing mapper Mapper[Ticket(tickets)], expression 'TicketStatusHistory' failed to locate a name ('TicketStatusHistory'). If this is a class name, consider adding this relationship() to the <class 'app.models.ticket.Ticket'> class after both dependent classes have been defined.
+INFO:     10.16.6.70:22674 - "POST /api/v1/auth/login HTTP/1.1" 401 Unauthorized
+INFO:     10.16.6.70:30069 - "GET /health HTTP/1.1" 200 OK
+INFO:     10.16.25.209:49805 - "GET /health HTTP/1.1" 200 OK

src/app/models/ticket_status_history.py

@@ -14,10 +14,11 @@ from typing import Optional
 from sqlalchemy import Column, Text, Boolean, DateTime, DECIMAL, ForeignKey
 from sqlalchemy.dialects.postgresql import UUID, JSONB
 from sqlalchemy.orm import relationship
+from app.core.database import Base
 import uuid
 
 
-class TicketStatusHistory:
+class TicketStatusHistory(Base):
     """
     Ticket Status History - Audit trail of all ticket status changes