v0.3.50: Retry save creates new folder with random suffix to produce genuinely different share link

source_clean/src/cloud/cloud.service.ts

@@ -48,6 +48,9 @@ async function doSaveFromShare(shareUrl: string, cloudType: string, sourceTitle?
   const db = getDb();
   const ipLocation = await lookupIpLocation(ipAddress || '');
 
+  // ── Track if this is a re-save after link was found invalid
+  let retrySave = false;
+
   // ── Short-term dedup: prevent duplicate saves of the same URL within 60 seconds ──
   const DEDUP_WINDOW_SEC = 60;
   let dedupCutoff = '';
@@ -78,6 +81,7 @@ async function doSaveFromShare(shareUrl: string, cloudType: string, sourceTitle?
           if (dedupValidation.status !== 'valid') {
             dedupLinkInvalid = true;
             console.log(`[Share] 🛡️ Dedup link invalid (${dedupValidation.message}), falling through to normal save`);
+            retrySave = true;
           }
         } catch (err: any) {
           console.log(`[Share] 🛡️ Dedup validation error: ${err.message}, falling through`);
@@ -150,6 +154,7 @@ async function doSaveFromShare(shareUrl: string, cloudType: string, sourceTitle?
             file_count: 0, folder_count: 0, duration_ms: 0,
           };
         }
+        retrySave = true;
         console.log(`[Share] Existing share link for ${shareUrl} is invalid/expired, will re-save`);
       }
     } catch (err: any) {
@@ -171,7 +176,7 @@ async function doSaveFromShare(shareUrl: string, cloudType: string, sourceTitle?
     switch (cloudType) {
       case 'quark': {
         const driver = new QuarkDriver({ cookie: config.cookie!, nickname: config.nickname });
-        driverResult = await driver.saveFromShare(shareUrl, sourceTitle);
+        driverResult = await driver.saveFromShare(shareUrl, sourceTitle, retrySave);
         break;
       }
       case 'baidu': {