feat(api): add endpoint to list guest photos

* implement handleListPhotos to retrieve uploaded photos
* create PhotoFileRecord struct for photo data
* add fetchGuestPhotos function in the UI
* display guest photos in the photo upload page
* remove index.html as it is no longer needed
* add calendar functionality to download wedding event

server/internal/store/store.go

@@ -159,6 +159,36 @@ func (s *Store) CreatePhotoUpload(u PhotoUpload) (int64, error) {
 	return res.LastInsertId()
 }
 
+type PhotoFileRecord struct {
+	URL          string
+	UploaderName string
+}
+
+// ListPhotoFiles returns every uploaded photo, most recent first.
+func (s *Store) ListPhotoFiles() ([]PhotoFileRecord, error) {
+	rows, err := s.db.Query(
+		`SELECT f.url, u.name
+		 FROM photo_files f
+		 JOIN photo_uploads u ON u.id = f.upload_id
+		 ORDER BY f.created_at DESC, f.id DESC
+		 LIMIT 200`,
+	)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var out []PhotoFileRecord
+	for rows.Next() {
+		var rec PhotoFileRecord
+		if err := rows.Scan(&rec.URL, &rec.UploaderName); err != nil {
+			return nil, err
+		}
+		out = append(out, rec)
+	}
+	return out, rows.Err()
+}
+
 func (s *Store) AddPhotoFiles(uploadID int64, files []PhotoFile) error {
 	tx, err := s.db.Begin()
 	if err != nil {