feat: polish intelligent answer interactions

src/features/agent/answer-ui/catalog.ts

@@ -13,20 +13,36 @@ export const answerUiCatalog = defineCatalog(schema, {
   components: {
     Stack: {
       props: z
-        .object({ columns: z.enum(["one", "two"]), gap: z.enum(["compact", "normal"]) })
+        .object({
+          columns: z.enum(["one", "two"]), gap: z.enum(["compact", "normal"]),
+          intent: z.enum(["response", "comparison", "report"]).optional(),
+          density: z.enum(["compact", "comfortable"]).optional()
+        })
         .strict(),
       slots: ["default"],
-      description: "组织内容；双列在窄面板自动改为单列。"
+      description: "组织内容。intent 表达简短答复、并列比较或报告；density 表达疏密，不控制字体和颜色。comparison 与双列在窄面板自动改单列。"
     },
     Section: {
-      props: z.object({ title: shortText, description: text.nullable() }).strict(),
+      props: z.object({
+        title: shortText, description: text.nullable(),
+        role: z.enum(["result", "analysis", "evidence", "follow_up"]).optional()
+      }).strict(),
       slots: ["default"],
-      description: "带标题的资料分区，保留真实内容层级。"
+      description: "带标题的资料分区。role 标记结果、分析、依据或补充资料；前端据此组织任务内容，保留分区内部的原有顺序。"
     },
     Text: {
-      props: z.object({ text, tone: z.enum(["neutral", "info", "warning"]) }).strict(),
+      props: z.object({ text, tone: z.enum(["neutral", "info", "warning"]), title: shortText.optional() }).strict(),
       description: "简短说明、判断边界或资料缺口。"
     },
+    Result: {
+      props: z.object({
+        title: shortText,
+        summary: text,
+        status: z.enum(["success", "partial", "unconfirmed", "error"]),
+        source: optionalText
+      }).strict(),
+      description: "概括已有工具结果：成功、部分完成、未确认或失败。source 标注真实依据；无依据用 unconfirmed。此组件不执行操作，不证明浏览器展示、业务写入或现场处置完成。"
+    },
     Metric: {
       props: z
         .object({ label: shortText, value: shortText, unit: optionalText, source: optionalText })