feat:优化架构

server/index.js

@@ -30,6 +30,20 @@ app.get("/api/health", (_req, res) => {
   res.status(200).json({ ok: true });
 });
 
+app.get("/api/tasks/:task_id", (req, res) => {
+  const taskId = String(req.params.task_id || "").trim();
+  if (!taskId) return res.status(400).json({ error: "missing task_id" });
+  const p = path.join(outputsDir, taskId, "task.json");
+  if (!fs.existsSync(p)) return res.status(404).json({ error: "task not found", task_id: taskId });
+  try {
+    const raw = fs.readFileSync(p, "utf8");
+    const data = JSON.parse(raw);
+    return res.json(data);
+  } catch (e) {
+    return res.status(500).json({ error: "failed to read task", task_id: taskId, detail: String(e) });
+  }
+});
+
 function sseHeaders(res) {
   res.setHeader("Content-Type", "text/event-stream; charset=utf-8");
   res.setHeader("Cache-Control", "no-cache, no-transform");
@@ -237,6 +251,17 @@ app.post("/api/render", (req, res) => {
     for (const line of parts) {
       if (!line) continue;
       if (line.startsWith("PROG ")) sseSend(res, "prog", line.slice("PROG ".length));
+      else if (line.startsWith("PROG_SHOT ")) {
+        const rest = line.slice("PROG_SHOT ".length).trim();
+        const firstSpace = rest.indexOf(" ");
+        if (firstSpace > 0) {
+          const shotId = rest.slice(0, firstSpace).trim();
+          const status = rest.slice(firstSpace + 1).trim();
+          sseSend(res, "shot_progress", JSON.stringify({ shot_id: shotId, status }));
+        } else {
+          sseSend(res, "line", line);
+        }
+      }
       else if (line.startsWith("RENDER_DONE ")) sseSend(res, "done", line.slice("RENDER_DONE ".length));
       else sseSend(res, "line", line);
     }