feat: add health check script and update setup/service configurations

Health Check Script Addition:
✅ NEW SCRIPT ADDED: Comprehensive health check for all AITBC services
- health-check.sh: New executable script for service monitoring
- Reason: Provides centralized health monitoring for all services

✅ HEALTH CHECK FEATURES:
🔧 Core Services: Checks 6 services on ports 8000-8009
⛓️ Blockchain Services: Verifies node and RPC service status
🚀 AI/Agent/GPU Services: Checks 6 services on ports 8010-

apps/coordinator-api/src/app/models/__init__.py

@@ -3,7 +3,7 @@ Models package for the AITBC Coordinator API
 """
 
 # Import basic types from types.py to avoid circular imports
-from ..types import (
+from ..custom_types import (
     JobState,
     Constraints,
 )

apps/coordinator-api/src/app/routers/client.py

@@ -7,7 +7,7 @@ from datetime import datetime
 
 from ..deps import require_client_key
 from ..schemas import JobCreate, JobView, JobResult, JobPaymentCreate
-from ..types import JobState
+from ..custom_types import JobState
 from ..services import JobService
 from ..services.payments import PaymentService
 from ..config import settings

apps/coordinator-api/src/app/schemas/__init__.py

@@ -8,7 +8,7 @@ import re
 
 from pydantic import BaseModel, Field, ConfigDict, field_validator, model_validator
 
-from ..types import JobState, Constraints
+from ..custom_types import JobState, Constraints
 
 
 # Payment schemas

config/auth/.gitea-token

@@ -1 +1 @@
-5d21312e467c438bbfcd035f2c65ba815ee326bf
+9153d888e5ca0923a494b5c849cffd15125abc46

systemd/aitbc-coordinator-api.service

@@ -5,7 +5,7 @@ After=network.target
 [Service]
 Type=simple
 User=root
-WorkingDirectory=/opt/aitbc/apps/coordinator-api/src
+WorkingDirectory=/opt/aitbc/apps/coordinator-api/src/app
 Environment=PYTHONPATH=/opt/aitbc/apps/coordinator-api/src:/opt/aitbc/packages/py/aitbc-sdk/src:/opt/aitbc/packages/py/aitbc-crypto/src
 ExecStart=/opt/aitbc/venv/bin/python -m uvicorn main:app --host 0.0.0.0 --port 8000
 Restart=always