build: exclude screenshots folder from extension distribution package

.githooks/pre-commit

@@ -27,8 +27,10 @@ if [ -n "$STAGED_FILES" ]; then
   while IFS= read -r file; do
     [ -z "$file" ] && continue
 
-    # Check for forbidden export data files & raw media
-    if [[ "$file" =~ (activities\.csv|activities\.json|exporter_job_info\.json|\.zip$|\.crx$|\.mp4$|\.mov$|\.webm$|\.heic$|\.jpg$|\.jpeg$) ]]; then
+    # Check for forbidden export data files & raw media (allow screenshots/ and icons/)
+    if [[ "$file" =~ ^(screenshots/|icons/) ]]; then
+      : # Allowed store & UI asset directory
+    elif [[ "$file" =~ (activities\.csv|activities\.json|exporter_job_info\.json|\.zip$|\.crx$|\.mp4$|\.mov$|\.webm$|\.heic$|\.jpg$|\.jpeg$) ]]; then
       echo -e "${RED}❌ [DATA LEAK BLOCKED] Staged forbidden export/media file:${NC} $file"
       ERRORS_FOUND=$((ERRORS_FOUND + 1))
     fi