From 4c581349bd395457e4d06731a13b191bab507ae5 Mon Sep 17 00:00:00 2001
From: DrMelone <27028174+Classic298@users.noreply.github.com>
Date: Tue, 27 Jan 2026 17:39:51 +0100
Subject: [PATCH] fixes

---
 backend/open_webui/routers/files.py           |  3 +-
 .../workspace/Knowledge/KnowledgeBase.svelte  | 30 ++++++++++---------
 2 files changed, 18 insertions(+), 15 deletions(-)

diff --git a/backend/open_webui/routers/files.py b/backend/open_webui/routers/files.py
index b3f5d1aa0a..fea81e2384 100644
--- a/backend/open_webui/routers/files.py
+++ b/backend/open_webui/routers/files.py
@@ -252,7 +252,8 @@ async def upload_file_handler(
                         **({'status': 'pending'} if process else {}),
                     },
                     'meta': {
-                        'name': name,
+                        # Store original filename with path for sync comparison
+                        'name': unsanitized_filename,
                         'content_type': (file.content_type if isinstance(file.content_type, str) else None),
                         'size': len(contents),
                         'file_hash': file_hash,
diff --git a/src/lib/components/workspace/Knowledge/KnowledgeBase.svelte b/src/lib/components/workspace/Knowledge/KnowledgeBase.svelte
index e0344f5aa6..3207e5adfe 100644
--- a/src/lib/components/workspace/Knowledge/KnowledgeBase.svelte
+++ b/src/lib/components/workspace/Knowledge/KnowledgeBase.svelte
@@ -542,7 +542,21 @@
 	        const totalToProcess = new_files.length + changed_files.length;
 	        let processedCount = 0;
 	
-	        // Upload new files (no old version to delete)
+	        // STEP 1: Delete removed files FIRST
+	        // If a file was incorrectly classified as both "new" and "removed" (due to filename
+	        // matching issues), deleting first allows the subsequent upload to succeed.
+	        if (removed_file_ids.length > 0) {
+	            toast.info(
+	                $i18n.t('Removing {{count}} deleted files...', {
+	                    count: removed_file_ids.length
+	                })
+	            );
+	            for (const fileId of removed_file_ids) {
+	                await removeFileFromKnowledgeById(localStorage.token, id, fileId);
+	            }
+	        }
+
+	        // STEP 2: Upload new files
 	        for (const filePath of new_files) {
 	            const fileData = directoryFiles.find((f) => f.path === filePath);
 	            if (fileData) {
@@ -557,7 +571,7 @@
 	            }
 	        }
 	
-	        // Upload changed files using atomic upload_and_replace endpoint
+	        // STEP 3: Upload changed files using atomic upload_and_replace endpoint
 	        for (const changedFile of changed_files) {
 	            const fileData = directoryFiles.find((f) => f.path === changedFile.file_path);
 	            if (fileData) {
@@ -577,18 +591,6 @@
 	            }
 	        }
 	
-	        // Delete removed files (files that no longer exist in directory)
-	        if (removed_file_ids.length > 0) {
-	            toast.info(
-	                $i18n.t('Removing {{count}} deleted files...', {
-	                    count: removed_file_ids.length
-	                })
-	            );
-	            for (const fileId of removed_file_ids) {
-	                await removeFileFromKnowledgeById(localStorage.token, id, fileId);
-	            }
-	        }
-	
 	        // Show summary
 	        toast.success(
 	            $i18n.t(