updated the API to support the new calendar service and added a smoke test for the API.

app/app-config.js

@@ -1,7 +1,6 @@
 (function () {
   const apiBaseUrlStorageKey = "tarot-time-api-base-url";
   const apiKeyStorageKey = "tarot-time-api-key";
-  const defaultApiBaseUrl = "";
 
   function normalizeBaseUrl(value) {
     return String(value || "")
@@ -20,22 +19,33 @@
     };
   }
 
+  function stripLegacyCredentialParams() {
+    try {
+      const currentUrl = new URL(window.location.href);
+      const hadApiKeyParam = currentUrl.searchParams.has("apiKey") || currentUrl.searchParams.has("api_key");
+      if (!hadApiKeyParam) {
+        return;
+      }
+
+      currentUrl.searchParams.delete("apiKey");
+      currentUrl.searchParams.delete("api_key");
+      const nextUrl = `${currentUrl.pathname}${currentUrl.search}${currentUrl.hash}`;
+      window.history.replaceState(window.history.state, "", nextUrl);
+    } catch (_error) {
+    }
+  }
+
   function persistConnectionSettings(settings) {
     let didPersist = true;
 
     try {
       const params = new URLSearchParams(window.location.search || "");
       const queryValue = String(params.get("apiBaseUrl") || "").trim();
-      const queryApiKey = String(params.get("apiKey") || params.get("api_key") || "").trim();
 
       if (queryValue) {
         window.localStorage.setItem(apiBaseUrlStorageKey, normalizeBaseUrl(queryValue));
       }
 
-      if (queryApiKey) {
-        window.localStorage.setItem(apiKeyStorageKey, normalizeApiKey(queryApiKey));
-      }
-
       if (settings.apiBaseUrl) {
         window.localStorage.setItem(apiBaseUrlStorageKey, settings.apiBaseUrl);
       } else {
@@ -58,16 +68,11 @@
     try {
       const params = new URLSearchParams(window.location.search || "");
       const queryValue = String(params.get("apiBaseUrl") || "").trim();
-      const queryApiKey = String(params.get("apiKey") || params.get("api_key") || "").trim();
 
       if (queryValue) {
         window.localStorage.setItem(apiBaseUrlStorageKey, normalizeBaseUrl(queryValue));
       }
 
-      if (queryApiKey) {
-        window.localStorage.setItem(apiKeyStorageKey, normalizeApiKey(queryApiKey));
-      }
-
       const storedBaseUrl = String(window.localStorage.getItem(apiBaseUrlStorageKey) || "").trim();
       const storedApiKey = String(window.localStorage.getItem(apiKeyStorageKey) || "").trim();
       return normalizeConnectionSettings({
@@ -82,6 +87,8 @@
     }
   }
 
+  stripLegacyCredentialParams();
+
   const initialConnectionSettings = readConfiguredConnectionSettings();
 
   window.TarotAppConfig = {