feat(scoring): composite recency decay and severity weights persisted in DB [FASE-5.1]

backend/app/routers/scores.py

@@ -113,6 +113,8 @@ class ScoringConfigUpdate(BaseModel):
     tests: Optional[float] = None
     detection_rules: Optional[float] = None
     d3fend: Optional[float] = None
+    recency: Optional[float] = None
+    severity: Optional[float] = None
     freshness: Optional[float] = None
     platform_diversity: Optional[float] = None
 
@@ -134,8 +136,11 @@ def update_scoring_config(
             tests=payload.tests,
             detection_rules=payload.detection_rules,
             d3fend=payload.d3fend,
+            recency=payload.recency,
+            severity=payload.severity,
             freshness=payload.freshness,
             platform_diversity=payload.platform_diversity,
+            updated_by=current_user.id,
         )
         uow.commit()