diff --git a/photo-gallery-app/backend/scripts/reprocess_uploads.js b/photo-gallery-app/backend/scripts/reprocess_uploads.js
index 749d0b9..5b4b77e 100644
--- a/photo-gallery-app/backend/scripts/reprocess_uploads.js
+++ b/photo-gallery-app/backend/scripts/reprocess_uploads.js
@@ -61,14 +61,25 @@ const isHeifBuffer = (buffer) => buffer && buffer.length >= 12 && HEIF_BRANDS.ha
 function parseBaseName(doc) {
     const raw = path.basename(doc.filename || doc.path || '', path.extname(doc.filename || doc.path || ''));
     // Strip any trailing brace artifacts from older filenames
-    const cleaned = raw.endsWith('}') ? raw.slice(0, -1) : raw;
-    const match = raw.match(/^(.*?)(-md|-sm)?$/);
-    const base = match ? match[1] : raw;
-    return cleaned !== raw ? cleaned : base;
+    const cleaned = raw.replace(/[}]+$/, '');
+    const match = cleaned.match(/^(.*?)(-md|-sm)?$/);
+    return match ? match[1] : cleaned;
+}
+
+function deriveCandidateBases(baseName) {
+    const bases = new Set();
+    bases.add(baseName);
+    // If name starts with a leading timestamp and dash, also try the suffix (original filename)
+    const tsMatch = baseName.match(/^(\d{8,})-(.+)$/);
+    if (tsMatch) {
+        bases.add(tsMatch[2]);
+    }
+    return Array.from(bases);
 }
 
 function sourceCandidates(doc) {
     const baseName = parseBaseName(doc);
+    const candidateBases = deriveCandidateBases(baseName);
     const preferred = new Set();
     const fromDocPath = doc.path ? doc.path.replace(/^\/+/, '') : '';
     const fromDocFile = doc.filename ? path.join('uploads', doc.filename) : '';
@@ -76,14 +87,16 @@ function sourceCandidates(doc) {
         .filter(Boolean)
         .forEach(rel => preferred.add(path.join(UPLOAD_DIR, rel.replace(/^uploads[\\/]/, ''))));
 
-    // Look for any common source extension using the base name
-    for (const ext of SOURCE_EXTS) {
-        preferred.add(path.join(UPLOAD_DIR, `${baseName}${ext}`));
-    }
-    // Also check variant-style names in case only a variant exists
-    for (const ext of SOURCE_EXTS) {
-        preferred.add(path.join(UPLOAD_DIR, `${baseName}-md${ext}`));
-        preferred.add(path.join(UPLOAD_DIR, `${baseName}-sm${ext}`));
+    // Look for any common source extension using candidate base names
+    for (const base of candidateBases) {
+        for (const ext of SOURCE_EXTS) {
+            preferred.add(path.join(UPLOAD_DIR, `${base}${ext}`));
+        }
+        // Also check variant-style names in case only a variant exists
+        for (const ext of SOURCE_EXTS) {
+            preferred.add(path.join(UPLOAD_DIR, `${base}-md${ext}`));
+            preferred.add(path.join(UPLOAD_DIR, `${base}-sm${ext}`));
+        }
     }
     return Array.from(preferred);
 }