更新功能

frontend/src/lib/cad-stream.ts

@@ -19,10 +19,37 @@ export function backendEventToUiChunk(
       data: item.data,
     };
   }
+  if (["generation_plan", "checkpoint", "render_review", "rollback", "task_terminal"].includes(item.event)) {
+    const review = item.data.review && typeof item.data.review === "object"
+      ? item.data.review as Record<string, unknown>
+      : null;
+    const status = item.event === "task_terminal"
+      ? (String(item.data.lifecycle || "") === "failed" ? "error" : "success")
+      : item.event === "render_review" && String(review?.verdict || "") === "repair" && Number(review?.confidence || 0) >= 0.85
+        ? "error"
+      : String(item.data.status || "running");
+    return {
+      type: "data-cad-progress",
+      id: `${item.event}_${String(item.data.taskId || Date.now())}_${String(item.data.nodeId || "")}`,
+      data: { step: item.event, label: ({
+        generation_plan: "生成计划", checkpoint: "构建检查点", render_review: "视觉复核", rollback: "回滚检查点", task_terminal: "生成任务",
+      } as Record<string, string>)[item.event], status, message: String(
+        item.data.message || item.data.reason || (review?.evidence instanceof Array ? review.evidence.join("；") : ""),
+      ),
+      ...(item.data.taskId ? { taskId: String(item.data.taskId) } : {}),
+      ...(item.data.nodeId ? { nodeId: String(item.data.nodeId) } : {}),
+      ...(item.data.lifecycle ? { lifecycle: String(item.data.lifecycle) } : {}),
+      },
+    };
+  }
   if (item.event === "cad_result") {
+    const taskId = String(item.data.taskId || "");
+    const revisionId = String(item.data.revisionId || Date.now());
     return {
       type: "data-cad-result",
-      id: `result_${String(item.data.taskId || Date.now())}`,
+      // Each revision is a distinct progressive result. Reusing only the task
+      // id makes the AI SDK reconcile intermediate revisions into one part.
+      id: `result_${taskId}_${revisionId}`,
       data: item.data,
     };
   }