feat(account-health): allow silent refresh on scheduled probes and stop treating wangyihao token misses as auth failure

Scheduled probes and reportAccountFailure now request a silent refresh
before marking an account expired, and a missing wangyihao publish
token is classified as ok instead of auth_failure so the cookie-based
refresh path can recover the session.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

apps/desktop-client/src/main/account-health.ts

@@ -611,7 +611,7 @@ async function runDueProbes(): Promise<void> {
     const trigger = record.suspectedExpiredAt ? "confirm" : "scheduled";
     void enqueueAccountProbe(account, {
       trigger,
-      allowSilentRefresh: false,
+      allowSilentRefresh: true,
     }).catch((error) => {
       console.warn("[desktop-account-health] scheduled probe failed", {
         accountId: account.id,
@@ -946,7 +946,7 @@ export async function reportAccountFailure(
 
     return await performProbeLocked(account, {
       trigger: "confirm",
-      allowSilentRefresh: false,
+      allowSilentRefresh: true,
     });
   });
 }