AI分析Markdown渲染间距优化，去除pre-wrap双重间距；Dockerfile npm换国内镜像

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

web/backend/Dockerfile

@@ -5,7 +5,8 @@ WORKDIR /ui
 
 # 优先拷贝 package.json 命中 layer cache;无 lock 时退回 npm install
 COPY frontend/package*.json ./
-RUN if [ -f package-lock.json ]; then npm ci; else npm install; fi
+RUN npm config set registry https://registry.npmmirror.com && \
+    if [ -f package-lock.json ]; then npm ci; else npm install; fi
 
 COPY frontend ./
 RUN npm run build

web/frontend/src/components/ScoreDetailDrawer.vue

@@ -322,8 +322,24 @@ const quadrantLabel = (q: string) => {
   padding: 12px;
 }
 .ai-text {
-  line-height: 1.8;
-  white-space: pre-wrap;
+  line-height: 1.7;
+}
+.ai-text :deep(p) {
+  margin: 8px 0;
+}
+.ai-text :deep(h1),
+.ai-text :deep(h2),
+.ai-text :deep(h3),
+.ai-text :deep(h4) {
+  margin: 16px 0 8px;
+}
+.ai-text :deep(ul),
+.ai-text :deep(ol) {
+  margin: 8px 0;
+  padding-left: 20px;
+}
+.ai-text :deep(li) {
+  margin: 4px 0;
 }
 .ai-error {
   color: var(--el-color-danger);