feat(phase-16): enhanced Tests view, Red/Blue dashboard metrics, and Template admin panel (T-122, T-123, T-124)

backend/app/schemas/test.py

@@ -126,4 +126,16 @@ class TestOut(BaseModel):
     blue_validation_status: str | None = None
     blue_validation_notes: str | None = None
 
+    # Technique info (populated when joined)
+    technique_mitre_id: str | None = None
+    technique_name: str | None = None
+
     model_config = ConfigDict(from_attributes=True)
+
+    @classmethod
+    def model_validate(cls, obj, **kwargs):
+        """Override to populate technique fields from the relationship."""
+        if hasattr(obj, "technique") and obj.technique is not None:
+            obj.__dict__["technique_mitre_id"] = obj.technique.mitre_id
+            obj.__dict__["technique_name"] = obj.technique.name
+        return super().model_validate(obj, **kwargs)