feat: add experimental diagram URL support and update related components

lib/webViewInjectjavascript.ts

@@ -41,6 +41,11 @@ export interface InjectJavascriptOptions {
    * experimental 環境では https://jr-shikoku-backend-api-v1-beta.haruk.in を渡す。
    */
   backendApiBaseUrl?: string;
+  /**
+   * ダイアグラムJSONのURL。省略時は本番URL。
+   * experimental 環境では diagram-today-beta.json のURLを渡す。
+   */
+  diagramTodayUrl?: string;
 }
 
 const PRODUCTION_BACKEND_BASE = 'https://jr-shikoku-backend-api-v1.haruk.in';
@@ -55,6 +60,7 @@ export const injectJavascriptData = ({
   useElesite,
   isDark,
   backendApiBaseUrl,
+  diagramTodayUrl,
   mockApiConfig,
 }: InjectJavascriptOptions): string => {
   const elesiteStationSequences = [
@@ -1506,6 +1512,11 @@ setStationMenuDialog.observe(document.querySelector('#disp'), {
     result = result.split(PRODUCTION_BACKEND_BASE).join(backendApiBaseUrl);
   }
 
+  const PRODUCTION_DIAGRAM_TODAY = API_ENDPOINTS.DIAGRAM_TODAY;
+  if (diagramTodayUrl && diagramTodayUrl !== PRODUCTION_DIAGRAM_TODAY) {
+    result = result.split(PRODUCTION_DIAGRAM_TODAY).join(diagramTodayUrl);
+  }
+
   // Prepend XHR interceptor as a fallback for platforms where
   // injectedJavaScriptBeforeContentLoaded doesn't run reliably.
   // The __jrsMockActive guard in the interceptor prevents double-patching