fix: prevent duplicate update submissions

package.json

@@ -1,6 +1,6 @@
 {
   "name": "tallynote",
-  "version": "1.2.0",
+  "version": "1.2.2",
   "private": true,
   "type": "module",
   "packageManager": "pnpm@9.0.6",

web-next/src/pages/update/UpdatePage.tsx

@@ -25,7 +25,7 @@ import {
 } from "lucide-react";
 import { Button, Card, Dialog, RadioGroup, Radio, Steps, Tag, Tooltip } from "tdesign-react";
 import { Page, Surface } from "../common";
-import { api } from "../../services/api";
+import { api, ApiError } from "../../services/api";
 import { dateText } from "../../utils/date";
 import type { MockScenario, MockUpdateState } from "./mockData";
 
@@ -420,7 +420,11 @@ export default function UpdatePage({
       setLiveInfo(await api<UpdateInfo>("/api/update/check", { method: "POST" }));
       notify?.("版本检查完成", "info");
     } catch (e) {
-      setError((e as Error).message);
+      if (e instanceof ApiError && e.status === 429) {
+        notify?.((e as Error).message, "error");
+      } else {
+        setError((e as Error).message);
+      }
     } finally {
       setChecking(false);
       checkInFlight.current = false;
@@ -446,7 +450,8 @@ export default function UpdatePage({
 
   // Start download action
   const startDownload = async () => {
-    if (!latest) return;
+    if (!latest || actionInFlight.current || hasActiveJob || canApply) return;
+    actionInFlight.current = true;
     setActionBusy(true);
     setError("");
     setModalError("");
@@ -465,12 +470,14 @@ export default function UpdatePage({
       notify?.(msg, "error");
     } finally {
       setActionBusy(false);
+      actionInFlight.current = false;
     }
   };
 
   // Start apply action
   const startApply = async () => {
-    if (!latest) return;
+    if (!latest || !job || job.status !== "staged" || job.operation !== "download" || actionInFlight.current) return;
+    actionInFlight.current = true;
     setActionBusy(true);
     setError("");
     setModalError("");
@@ -488,6 +495,7 @@ export default function UpdatePage({
       notify?.(msg, "error");
     } finally {
       setActionBusy(false);
+      actionInFlight.current = false;
     }
   };