Merge pull request #3484 from bwliangc/feat/risk-control-matched-keyword

feat(risk-control): record matched keyword in keyword-block logs

frontend/src/api/admin/riskControl.ts

@@ -182,6 +182,7 @@ export interface ContentModerationLog {
   flagged: boolean
   highest_category: string
   highest_score: number
+  matched_keyword: string
   category_scores: Record<string, number>
   threshold_snapshot: Record<string, number>
   input_excerpt: string