feat(phase-23): add Threat Actor profiles with MITRE CTI import, API, heatmap and gap analysis (T-208 to T-212)

backend/app/models/__init__.py

@@ -9,11 +9,12 @@ from app.models.audit import AuditLog
 from app.models.notification import Notification
 from app.models.data_source import DataSource
 from app.models.detection_rule import DetectionRule
+from app.models.threat_actor import ThreatActor, ThreatActorTechnique
 from app.models.enums import TechniqueStatus, TestState, TestResult, TeamSide
 
 __all__ = [
     "User", "Technique", "Test", "TestTemplate", "Evidence",
     "IntelItem", "AuditLog", "Notification", "DataSource",
-    "DetectionRule",
+    "DetectionRule", "ThreatActor", "ThreatActorTechnique",
     "TechniqueStatus", "TestState", "TestResult", "TeamSide",
 ]