diff --git a/lib/upload-manager.js b/lib/upload-manager.js
index 5e8102f..516c15d 100644
--- a/lib/upload-manager.js
+++ b/lib/upload-manager.js
@@ -9,7 +9,7 @@ const DoodstreamUploader = require('./doodstream-upload');
 const ClouddropUploader = require('./clouddrop-upload');
 const Semaphore = require('./semaphore');
 const Throttle = require('./throttle');
-const { probeFileHead, summarizeFileStat } = require('./file-probe');
+const { probeFileHead } = require('./file-probe');
 
 const DEFAULT_SETTINGS = {
   retries: 3,
@@ -435,21 +435,25 @@ class UploadManager extends EventEmitter {
         maxAttempts
       });
 
-      const fileStat = summarizeFileStat(task.file);
-      const fileProbe = await probeFileHead(task.file, 64).catch((err) => ({ ok: false, error: err.message, kind: 'unreadable' }));
-      this._rotLog('upload-start', {
-        jobId, hoster: task.hoster, accountId: task.accountId, fileName,
-        fileSize: fileStat.size, fileMtime: fileStat.mtime,
-        detectedKind: fileProbe && fileProbe.kind ? fileProbe.kind : 'unknown',
-        isVideoLike: !!(fileProbe && fileProbe.isVideoLike),
-        headHex: fileProbe && fileProbe.headHex ? fileProbe.headHex.slice(0, 32) : null
-      });
-
       // Acquire hoster semaphore first so jobs waiting for a hoster slot
       // don't waste global slots (prevents underutilization)
       await hosterSemaphore.acquire(signal);
       hosterSlotAcquired = true;
 
+      let fileProbe = null;
+      try {
+        fileProbe = await probeFileHead(task.file, 64);
+      } catch (err) {
+        fileProbe = { ok: false, error: err && err.message, kind: 'unreadable' };
+      }
+      this._rotLog('upload-start', {
+        jobId, hoster: task.hoster, accountId: task.accountId, fileName,
+        fileSize,
+        detectedKind: fileProbe && fileProbe.kind ? fileProbe.kind : 'unknown',
+        isVideoLike: !!(fileProbe && fileProbe.isVideoLike),
+        headHex: fileProbe && fileProbe.headHex ? fileProbe.headHex.slice(0, 32) : null
+      });
+
       if (globalSemaphore) {
         await globalSemaphore.acquire(signal);
         globalSlotAcquired = true;
diff --git a/main.js b/main.js
index 5b879ba..c4ac6e3 100644
--- a/main.js
+++ b/main.js
@@ -1445,6 +1445,15 @@ ipcMain.handle('start-upload', (_event, payload) => {
     }
   });
 
+  const ROT_LOG_RENDERER_EVENTS = new Set([
+    'switchAccount',
+    'pre-job-swap',
+    'try-alternate-after-fail',
+    'mark-failed',
+    'rotation-end',
+    'doodstream-via-api',
+    'doodstream-via-web'
+  ]);
   uploadManager.on('rot-log', (entry) => {
     const { ts, event, ...rest } = entry;
     const pairs = Object.entries(rest)
@@ -1454,7 +1463,7 @@ ipcMain.handle('start-upload', (_event, payload) => {
     if (entry.jobId) {
       _appendJobLog(entry.jobId, { ts: ts || Date.now(), kind: 'rot', event, ...rest });
     }
-    if (mainWindow && !mainWindow.isDestroyed()) {
+    if (mainWindow && !mainWindow.isDestroyed() && ROT_LOG_RENDERER_EVENTS.has(event)) {
       mainWindow.webContents.send('account-rotation-log', entry);
     }
   });