perf: N+1 Fix in GetRiskSummary — 231 Queries auf 1 reduziert

risk-summary Endpoint von ~7s auf <0.5s.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ai-compliance-sdk/internal/iace/store_hazards.go

@@ -367,12 +367,19 @@ func (s *Store) GetRiskSummary(ctx context.Context, projectID uuid.UUID) (*RiskS
 		return summary, nil
 	}
 
+	// Batch: get all latest assessments in one query
+	assessmentMap, err := s.GetLatestAssessmentsByProject(ctx, projectID)
+	if err != nil {
+		return nil, fmt.Errorf("get risk summary - batch assessments: %w", err)
+	}
+
 	highestRisk := RiskLevelNegligible
 
 	for _, h := range hazards {
-		latest, err := s.GetLatestAssessment(ctx, h.ID)
-		if err != nil {
-			return nil, fmt.Errorf("get risk summary - get assessment for hazard %s: %w", h.ID, err)
+		ra, ok := assessmentMap[h.ID]
+		var latest *RiskAssessment
+		if ok {
+			latest = &ra
 		}
 		if latest == nil {
 			// Hazard without assessment counts as unassessed; consider it not acceptable