feat(compliance): content moderation on model input and output — local lexicon, Aliyun adapter, free completion, admin log

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01N4f2nya58RoRu4yEmJgRGE

frontend/src/hooks/use-consultation-run.ts

@@ -938,7 +938,8 @@ export function useConsultationRun(params: ConsultationRunParams) {
           if (responseKind !== "smalltalk") timelineState = reduceConsultationTimeline(timelineState, event);
           frames.touch();
           if (event.type === "answer.delta") {
-            answer += event.text;
+            // A moderated answer arrives as one replacing delta (2026-09-30).
+            answer = event.replace ? event.text : answer + event.text;
             frames.setAnswer(answer);
           }
           if (event.type === "thinking.delta" && typeof event.text === "string") {