fix: 添加凭证过期调试日志并移除冗余日志

添加Qwen凭证过期检查的调试日志以便排查问题
移除api-server中冗余的token刷新成功日志

src/api-server.js

@@ -700,7 +700,7 @@ async function startServer() {
                 // For pooled providers, refreshToken should be handled by individual instances
                 // For single instances, this remains relevant
                 await serviceAdapter.refreshToken();
-                console.log(`[Token Refresh] Refreshed token for ${providerKey}`);
+                // console.log(`[Token Refresh] Refreshed token for ${providerKey}`);
             } catch (error) {
                 console.error(`[Token Refresh Error] Failed to refresh token for ${providerKey}: ${error.message}`);
                 // 如果是号池中的某个实例刷新失败，这里需要捕获并更新其状态

src/openai/qwen-core.js

@@ -617,6 +617,7 @@ export class QwenApiService {
             }
             const currentTime = Date.now();
             const cronNearMinutesInMillis = (this.config.CRON_NEAR_MINUTES || 10) * 60 * 1000;
+            console.log(`[Qwen] Expiry date: ${credentials.expiry_date}, Current time: ${currentTime}, ${this.config.CRON_NEAR_MINUTES || 10} minutes from now: ${currentTime + cronNearMinutesInMillis}`);
             return credentials.expiry_date <= (currentTime + cronNearMinutesInMillis);
         } catch (error) {
             console.error(`[Qwen] Error checking expiry date: ${error.message}`);