Sanitize attachment filenames by replacing slashes

Updated filename generation to replace forward and backward slashes in titles with underscores, ensuring filesystem-safe attachment filenames consistent with TiddlyWiki's behavior.

Author: linonetwo

src/tidgi-external-attachments/convertToExternalAttachment.ts

@@ -64,9 +64,10 @@ export async function convertToExternalAttachment(
 
   const targetWikiFolderLocation = matchedWorkspace?.wikiFolderLocation ?? mainWikiFolderLocation;
 
-  // Generate filename from title or use title directly
+  // Generate filename from title
   // Clean up the title to make it filesystem-safe
-  let filename = title;
+  // Replace forward/backward slashes with underscore (like TiddlyWiki does)
+  let filename = title.replace(/\/|\\/g, '_');
 
   // Get file extension from type
   const extensions = Object.keys($tw.config.fileExtensionInfo).filter(

src/tidgi-external-attachments/plugin.info

@@ -6,5 +6,5 @@
   "stability": "STABILITY_1_EXPERIMENTAL",
   "plugin-type": "plugin",
   "author": "LinOnetwo",
-  "version": "1.10.0"
+  "version": "1.10.1"
 }