ai对话记忆修复,表格展示

supabase/functions/coze-langchain/index.ts

@@ -363,6 +363,7 @@ interface GenUIResponse {
     gap?: string;
     components: any[];
   };
+  ui_schema_text?: string;
   suggested_actions?: string[];
 }
 
@@ -370,8 +371,97 @@ interface GenUIResponse {
 // 统一 AI 大模型调用（通过 _shared/aiProvider）
 // ========================
 
+/** 将 ui_schema 组件转为可存储、可展示的 Markdown 文本 */
+function uiSchemaToMarkdown(uiSchema: any): string {
+  if (!uiSchema?.components || !Array.isArray(uiSchema.components)) return "";
+
+  const parts: string[] = [];
+
+  for (const comp of uiSchema.components) {
+    const props = comp.props || {};
+
+    switch (comp.type) {
+      case 'data_table': {
+        const { title, columns, rows } = props;
+        if (!columns || !rows) break;
+        let table = '';
+        if (title) table += `**${title}**\n\n`;
+        // 表头
+        table += '| ' + columns.map((c: any) => c.label || c.key).join(' | ') + ' |\n';
+        table += '| ' + columns.map(() => '---').join(' | ') + ' |\n';
+        // 数据行
+        for (const row of rows) {
+          table += '| ' + columns.map((c: any) => row[c.key] != null ? String(row[c.key]) : '').join(' | ') + ' |\n';
+        }
+        parts.push(table);
+        break;
+      }
+      case 'stats_row': {
+        const { items } = props;
+        if (!items || !Array.isArray(items)) break;
+        const statsText = items.map((item: any) =>
+          `- **${item.label}**: ${item.value}`
+        ).join('\n');
+        parts.push(statsText);
+        break;
+      }
+      case 'insight_feed': {
+        const { title, insights } = props;
+        if (title) parts.push(`**${title}**`);
+        if (insights && Array.isArray(insights)) {
+          for (const ins of insights) {
+            const emoji = ins.type === 'warning' ? '⚠️' : ins.type === 'success' ? '✅' : ins.type === 'error' ? '❌' : 'ℹ️';
+            parts.push(`- ${emoji} **${ins.title}**: ${ins.description || ''}`);
+          }
+        }
+        break;
+      }
+      case 'alert': {
+        const alertEmoji = props.type === 'error' ? '❌' : props.type === 'warning' ? '⚠️' : props.type === 'success' ? '✅' : 'ℹ️';
+        parts.push(`> ${alertEmoji} **${props.title || ''}**\n> ${props.description || ''}`);
+        break;
+      }
+      case 'chart': {
+        const { title, data } = props;
+        if (title) parts.push(`**${title}**`);
+        if (data && Array.isArray(data)) {
+          for (const d of data) {
+            parts.push(`- ${d.label}: ${d.value}`);
+          }
+        }
+        break;
+      }
+      case 'text': {
+        parts.push(props.content || '');
+        break;
+      }
+      case 'progress_bar': {
+        const pct = props.target ? Math.round((props.current / props.target) * 100) : 0;
+        parts.push(`- **${props.label}**: ${props.current}/${props.target} (${pct}%)`);
+        break;
+      }
+      case 'approval_list': {
+        const { title, approvals } = props;
+        if (title) parts.push(`**${title}**`);
+        if (approvals && Array.isArray(approvals)) {
+          for (const a of approvals) {
+            const prio = a.priority === 'high' ? '🔴' : a.priority === 'medium' ? '🟡' : '🟢';
+            parts.push(`- ${prio} **${a.title}** — ${a.description || ''} (发起人: ${a.agent || '-'})`);
+          }
+        }
+        break;
+      }
+    }
+  }
+
+  return parts.join('\n\n');
+}
+
 /**
  * 将 AI 返回的原始文本解析为 GenUIResponse
+ * - 提取 ```json 前的纯文本作为 textAnswer
+ * - 解析 JSON 中的 ui_schema
+ * - 将 ui_schema 组件转为 Markdown 追加到 answer，确保存储和展示都有完整数据
  */
 function parseAIResponse(raw: string): GenUIResponse {
   let jsonContent = raw.trim();
@@ -417,12 +507,16 @@ function parseAIResponse(raw: string): GenUIResponse {
       });
     }
 
-    console.log(`[CozeLangchain] AI JSON parsed, has ui_schema: ${!!uiSchema}`);
+    // 将 ui_schema 组件转为 Markdown 文本，供前端存库用（历史消息可读）
+    const uiSchemaText = uiSchemaToMarkdown(uiSchema);
+
+    console.log(`[CozeLangchain] AI JSON parsed, has ui_schema: ${!!uiSchema}, uiSchemaText length: ${uiSchemaText.length}`);
 
     return {
-      // 优先用新格式的纯文本回答，其次用 JSON 内的 answer 字段
+      // answer 保持干净：纯文本回答，不混入组件数据
       answer: textAnswer || parsed.answer || "已为您生成界面",
       ui_schema: uiSchema,
+      ui_schema_text: uiSchemaText || undefined,  // 单独字段，前端拼接存库
       suggested_actions: parsed.suggested_actions,
     };
   } catch {
@@ -714,6 +808,7 @@ ${dataContext}
           type: "done",
           answer: genUIResult.answer,
           ui_schema: genUIResult.ui_schema,
+          ui_schema_text: genUIResult.ui_schema_text,
           suggested_actions: genUIResult.suggested_actions,
           agent_type: agentType,
           session_id: sessionId,