fix: decode URI components before path processing

Ensure path normalization and encoding handle URI-encoded segments
correctly by decoding them first.

src/components/journal/types/link.tsx

@@ -27,7 +27,8 @@ function fileNameFromPath(path: string): string {
 
 /** Encode a path, preserving / separators but encoding each segment */
 function encodePath(path: string): string {
-  return path
+  // Decode first in case the path is already URL-encoded (defense-in-depth)
+  return decodeURIComponent(path)
     .split("/")
     .map((seg) => encodeURIComponent(seg))
     .join("/");