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/platform-auth-adapters.test.ts

@@ -70,7 +70,7 @@ describe("platform auth adapters", () => {
     ).toBe("auth_failure");
   });
 
-  it("classifies Wangyihao missing token as auth failure", () => {
+  it("does not classify Wangyihao publish token misses as auth failure", () => {
     const adapter = getPlatformAdapter("wangyihao");
 
     expect(
@@ -79,7 +79,7 @@ describe("platform auth adapters", () => {
           code: "wangyihao_token_missing",
         },
       }),
-    ).toBe("auth_failure");
+    ).toBe("ok");
   });
 
   it("classifies Weixin GZH verification as challenge", () => {