commit

src/main/diagnostics.ts

@@ -106,12 +106,22 @@ function installAppHooks(): void {
     contents.on('preload-error', (_ev, preloadPath, error) => {
       logger.error('preload', 'preload script threw — window.helder will be undefined (mock-data fallback)', error, { preloadPath })
     })
+    let sawRoLoop = false
     contents.on('console-message', (...a: unknown[]) => {
       // Electron ≥36 passes a single event object; older versions pass
       // (event, level, message, line, sourceId). Support both so a version bump
       // doesn't quietly stop capturing renderer console output.
       const d = normaliseConsoleMessage(a)
       if (!d || d.level < 2) return // warnings + errors only; skip log/info noise
+      // "ResizeObserver loop …" is a browser layout notice, not a fault, and it
+      // fires once per frame — a window drag would bury everything else. The
+      // renderer suppresses its own repeats the same way (see log.ts).
+      if (d.message.startsWith('ResizeObserver loop')) {
+        if (sawRoLoop) return
+        sawRoLoop = true
+        log('warn', 'console', d.message + ' (browser layout notice; repeats suppressed)', { source: d.source, line: d.line })
+        return
+      }
       log(d.level >= 3 ? 'error' : 'warn', 'console', d.message, { source: d.source, line: d.line })
     })
   })