fix: admin 'Upload photo' action (modal FileUpload, stores to MinIO, sets photo_url — no foreach 500); user upload limit 5MB->10MB; photo_url input shows full value (visual truncation only)

frontend/internal/handlers/tags.go

@@ -184,7 +184,7 @@ func (a *App) UploadPhoto(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	if err := r.ParseMultipartForm(5 << 20); err != nil { // 5 MB
+	if err := r.ParseMultipartForm(10 << 20); err != nil { // 10 MB
 		writeUploadMsg(w, "Upload too large (max 5 MB).")
 		return
 	}
@@ -195,7 +195,7 @@ func (a *App) UploadPhoto(w http.ResponseWriter, r *http.Request) {
 	}
 	defer file.Close()
 
-	if header.Size > 5<<20 {
+	if header.Size > 10<<20 {
 		writeUploadMsg(w, "Upload too large (max 5 MB).")
 		return
 	}