update app and index.html

app/ui-alphabet.js

@@ -49,7 +49,7 @@
 
   // ── Element cache ────────────────────────────────────────────────────
   let listEl, countEl, detailNameEl, detailSubEl, detailBodyEl;
-  let tabAll, tabHebrew, tabGreek, tabEnglish, tabArabic, tabEnochian;
+  let tabAll, tabHebrew, tabGreek, tabGreekArchaic, tabEnglish, tabArabic, tabEnochian;
   let searchInputEl, searchClearEl, typeFilterEl;
   let gematriaCipherEl, gematriaInputEl, gematriaResultEl, gematriaBreakdownEl;
   let gematriaModeEls, gematriaMatchesEl, gematriaInputLabelEl, gematriaCipherLabelEl;
@@ -64,6 +64,7 @@
     tabAll       = document.getElementById("alpha-tab-all");
     tabHebrew    = document.getElementById("alpha-tab-hebrew");
     tabGreek     = document.getElementById("alpha-tab-greek");
+    tabGreekArchaic = document.getElementById("alpha-tab-greek-archaic");
     tabEnglish   = document.getElementById("alpha-tab-english");
     tabArabic    = document.getElementById("alpha-tab-arabic");
     tabEnochian  = document.getElementById("alpha-tab-enochian");
@@ -356,6 +357,7 @@
       tabAll,
       tabHebrew,
       tabGreek,
+      tabGreekArchaic,
       tabEnglish,
       tabArabic,
       tabEnochian,
@@ -466,7 +468,7 @@
     }
 
     // Attach tab listeners
-    [tabAll, tabHebrew, tabGreek, tabEnglish, tabArabic, tabEnochian].forEach((btn) => {
+    [tabAll, tabHebrew, tabGreek, tabGreekArchaic, tabEnglish, tabArabic, tabEnochian].forEach((btn) => {
       if (!btn) return;
       btn.addEventListener("click", () => {
         switchAlphabet(btn.dataset.alpha, null);
@@ -482,6 +484,20 @@
   }
 
   function selectGreekLetterByName(name) {
+    const greekLetters = Array.isArray(state.alphabets?.greek) ? state.alphabets.greek : [];
+    const archaicLetters = Array.isArray(state.alphabets?.greekArchaic) ? state.alphabets.greekArchaic : [];
+    const targetKey = String(name || "").trim().toLowerCase();
+
+    if (archaicLetters.some((entry) => String(entry?.name || "").trim().toLowerCase() === targetKey)) {
+      switchAlphabet("greekArchaic", name);
+      return;
+    }
+
+    if (greekLetters.some((entry) => String(entry?.name || "").trim().toLowerCase() === targetKey)) {
+      switchAlphabet("greek", name);
+      return;
+    }
+
     switchAlphabet("greek", name);
   }