From d4e66c9afa6e8c664abbf234fd9f1c0323ca17a5 Mon Sep 17 00:00:00 2001
From: Elijah <elijah.kuntz@gmail.com>
Date: Mon, 25 May 2026 15:11:58 -0700
Subject: [PATCH] Fix: thumbnail worker payload for non-xlsx files and change
 timeout to interval for thumbnail updates

---
 backend/workers/thumbnails.go            | 7 +++++--
 frontend/src/components/FileExplorer.tsx | 9 ++++-----
 frontend/src/components/OfficeHome.tsx   | 8 ++++----
 3 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/backend/workers/thumbnails.go b/backend/workers/thumbnails.go
index c114044..7c18335 100644
--- a/backend/workers/thumbnails.go
+++ b/backend/workers/thumbnails.go
@@ -167,12 +167,15 @@ func generateOfficeThumbnail(filePath, destPath string, cfg *config.Config) erro
 			"width":  1024,
 			"height": 1024,
 		},
-		"spreadsheetLayout": map[string]interface{}{
+	}
+
+	if ext == "xlsx" {
+		payload["spreadsheetLayout"] = map[string]interface{}{
 			"ignorePrintArea": true,
 			"printGridlines":  true,
 			"printHeadings":   true,
 			"fitToWidth":      1,
-		},
+		}
 	}
 
 	payloadBytes, err := json.Marshal(payload)
diff --git a/frontend/src/components/FileExplorer.tsx b/frontend/src/components/FileExplorer.tsx
index dd814fe..5b919b2 100644
--- a/frontend/src/components/FileExplorer.tsx
+++ b/frontend/src/components/FileExplorer.tsx
@@ -375,14 +375,13 @@ export default function FileExplorer({ onLogout }: FileExplorerProps) {
     }
   }, [currentPath, activeSection]);
 
-  // Refresh files after editing to catch the debounced thumbnail generation
+  // Refresh files periodically after editing to catch debounced background thumbnail generation
   useEffect(() => {
     if (!editingFile && activeSection === 'files') {
-      loadFiles(currentPath, true);
-      const timer = setTimeout(() => {
+      const timer = setInterval(() => {
         loadFiles(currentPath, true);
-      }, 12000);
-      return () => clearTimeout(timer);
+      }, 15000);
+      return () => clearInterval(timer);
     }
   }, [editingFile, activeSection, currentPath, loadFiles]);
 
diff --git a/frontend/src/components/OfficeHome.tsx b/frontend/src/components/OfficeHome.tsx
index b7a6516..6466217 100644
--- a/frontend/src/components/OfficeHome.tsx
+++ b/frontend/src/components/OfficeHome.tsx
@@ -123,11 +123,11 @@ export default function OfficeHome({ type, onFileSelect, onCreateBlank, onPinCha
     fetchFiles();
     api.createDownloadToken().then(setDownloadToken).catch(console.error);
 
-    // Refresh files after 12 seconds to catch any debounced thumbnail updates from recent edits
-    const timer = setTimeout(() => {
+    // Refresh files periodically to catch any debounced thumbnail updates from recent edits
+    const timer = setInterval(() => {
       fetchFiles();
-    }, 12000);
-    return () => clearTimeout(timer);
+    }, 15000);
+    return () => clearInterval(timer);
   }, [type]);
 
   // Close context menu on click elsewhere