Initial commit

2026-08-19 19:34:30 +08:00
commit beba8744b4
285 changed files with 74293 additions and 0 deletions
@@ -0,0 +1,37 @@
+import type { UIMessageChunk } from "ai";
+
+export type BackendSseEvent = {
+  event: string;
+  data: Record<string, unknown>;
+};
+
+export function backendEventToUiChunk(
+  item: BackendSseEvent,
+  textId: string,
+): UIMessageChunk | null {
+  if (item.event === "text_delta") {
+    return { type: "text-delta", id: textId, delta: String(item.data.text || "") };
+  }
+  if (item.event === "progress") {
+    return {
+      type: "data-cad-progress",
+      id: `progress_${String(item.data.step || Date.now())}`,
+      data: item.data,
+    };
+  }
+  if (item.event === "cad_result") {
+    return {
+      type: "data-cad-result",
+      id: `result_${String(item.data.taskId || Date.now())}`,
+      data: item.data,
+    };
+  }
+  if (item.event === "cad_error") {
+    return {
+      type: "data-cad-error",
+      id: `error_${Date.now()}`,
+      data: item.data,
+    };
+  }
+  return null;
+}