feat(classification): org data classification scheme, tactic-based initial default, operator edit rights

backend/app/schemas/test.py

@@ -37,7 +37,7 @@ class TestCreate(BaseModel):
 
 
 class TestClassificationUpdate(BaseModel):
-    """Admin-only payload for changing data classification."""
+    """Payload for changing a test's data classification (any test participant or admin)."""
 
     # data_classification: DataClassification
     data_classification: DataClassification
@@ -299,8 +299,8 @@ class TestOut(BaseModel):
     retest_of: uuid.UUID | None = None
     # Assign retest_count = 0
     retest_count: int = 0
-    # Assign data_classification = "internal"
-    data_classification: str = "internal"
+    # Assign data_classification = "confidential"
+    data_classification: str = "confidential"
 
     # Technique info (populated when joined)
     technique_mitre_id: str | None = None