Treat SVG attachments as files

packages/app/src/utils/image-attachments-from-files.test.ts

@@ -95,6 +95,24 @@ describe("collectImageFilesFromClipboardData", () => {
     expect(files).toEqual([imagePng]);
   });
 
+  it("ignores SVG clipboard files", () => {
+    const svgFile = new File(["<svg />"], "logo.svg", {
+      type: "image/svg+xml",
+    });
+
+    const files = collectImageFilesFromClipboardData({
+      items: [
+        createClipboardItem({
+          kind: "file",
+          type: "image/svg+xml",
+          file: svgFile,
+        }),
+      ],
+    });
+
+    expect(files).toEqual([]);
+  });
+
   it("returns an empty array when clipboard data is missing", () => {
     expect(collectImageFilesFromClipboardData(undefined)).toEqual([]);
   });

packages/app/src/utils/image-attachments-from-files.ts

@@ -1,5 +1,6 @@
 import type { AttachmentMetadata } from "@/attachments/types";
 import { persistAttachmentFromBlob } from "@/attachments/service";
+import { isRasterImageMimeType } from "@/attachments/file-types";
 
 export interface ClipboardItemLike {
   kind?: string;
@@ -25,7 +26,7 @@ export function collectImageFilesFromClipboardData(
     if (item?.kind !== "file") {
       continue;
     }
-    if (!item.type?.startsWith("image/")) {
+    if (!isRasterImageMimeType(item.type)) {
       continue;
     }
     const file = item.getAsFile?.();