feat: clone function — POST /functions/:name/clone (v1.3.80)

- Backend: function_clone.go — copies archive from storagesvc, creates
  new Package/Function/HTTPTrigger preserving all settings (env vars,
  timeout, entrypoint, executor type, podspec)
- Backend: route handlers.go — /functions/:name/clone POST
- Frontend: 'Клон' button in edit modal, inline name input form
- Frontend: JS toggleCloneArea/submitClone with validation
- Pre-fills clone name as '<original>-copy', validates format

console/ui/index.html

@@ -102,7 +102,7 @@
       <div class="nubes">NUBES</div>
       <div class="product">FISSION CONSOLE</div>
     </div>
-    <div style="font-size:0.65rem; color:var(--text-secondary); margin-left:10px; align-self:center; opacity:0.7;">v1.3.79</div>
+    <div style="font-size:0.65rem; color:var(--text-secondary); margin-left:10px; align-self:center; opacity:0.7;">v1.3.80</div>
   </div>
   <div class="row" style="margin:0;">
     <button class="btn ghost" onclick="reloadAll()">Refresh</button>
@@ -401,7 +401,19 @@
       </div>
 
       <div id="e-error-msg" style="display:none;color:#f66;font-size:0.85rem;margin-bottom:8px;"></div>
+
+      <div id="e-clone-area" style="display:none;margin-top:10px;padding:10px 12px;background:var(--bg-alt,#2a2a3a);border-radius:6px;border:1px solid var(--border,#444);">
+        <div style="font-size:0.82rem;color:var(--fg-muted,#aaa);margin-bottom:6px;">Имя новой функции (копии):</div>
+        <div style="display:flex;gap:8px;align-items:center;">
+          <input id="e-clone-name" placeholder="new-function-name" style="flex:1;font-size:0.85rem;">
+          <button class="btn" onclick="submitClone()">Клонировать</button>
+          <button class="btn ghost" onclick="toggleCloneArea(false)">✕</button>
+        </div>
+        <div id="e-clone-error" style="display:none;color:#f66;font-size:0.78rem;margin-top:5px;"></div>
+      </div>
+
       <div class="actions">
+        <button class="btn ghost" onclick="toggleCloneArea(true)" title="Создать копию функции">📋 Клон</button>
         <button class="btn ghost" onclick="closeEdit()">Отмена</button>
         <button id="e-submit" class="btn" onclick="submitEdit()">Сохранить</button>
       </div>
@@ -510,7 +522,7 @@
       </div>
 
       <div class="actions" style="justify-content:space-between; align-items:center;">
-        <span style="font-size:0.75rem; color:var(--text-secondary);">v1.3.79</span>
+        <span style="font-size:0.75rem; color:var(--text-secondary);">v1.3.80</span>
         <button class="btn ghost" onclick="closeHelp()">Закрыть</button>
       </div>
     </div>