Upgrade logs

includes/admin/admin-frontend/index.html

@@ -309,6 +309,46 @@
         Logs
         <button onclick="openInfoModal('logs')" class="text-sm px-3 py-1 theme-button-info rounded transition-colors">Info</button>
       </h2>
+      <div class="flex flex-wrap items-center gap-3 mb-3">
+        <label for="log-channel-select" class="text-sm theme-text-secondary">Log file</label>
+        <select id="log-channel-select" onchange="onLogChannelChange()" class="theme-input rounded-lg px-3 py-2 text-sm min-w-[12rem]">
+          <option value="core">Core</option>
+          <option value="proxy">Internal Proxy</option>
+          <option value="dns">DNS</option>
+          <option value="plugins">Plugins</option>
+          <option value="holesail">Holesail</option>
+        </select>
+        <div class="flex-1 min-w-[16rem] max-w-2xl flex items-center gap-2">
+          <div class="relative flex-1 group">
+            <span class="absolute left-3 top-1/2 -translate-y-1/2 theme-text-tertiary pointer-events-none group-focus-within:text-indigo-400 transition-colors">
+              <i class="fas fa-magnifying-glass text-sm" aria-hidden="true"></i>
+            </span>
+            <input
+              id="log-filter-input"
+              type="search"
+              autocomplete="off"
+              spellcheck="false"
+              placeholder="Filter lines… text or /regex/flags"
+              class="w-full theme-input rounded-lg py-2 pl-9 pr-9 text-sm focus:outline-none focus:ring-2 focus:ring-primary"
+              aria-label="Filter log lines"
+              oninput="onLogFilterInput()"
+              onkeydown="if (event.key === 'Escape') { clearLogFilter(); event.preventDefault(); }"
+            />
+            <button
+              id="log-filter-clear"
+              type="button"
+              class="hidden absolute right-1.5 top-1/2 -translate-y-1/2 p-1.5 rounded-md theme-text-tertiary hover:theme-text-primary hover:bg-white/10 transition-colors"
+              title="Clear filter (Esc)"
+              aria-label="Clear filter"
+              onclick="clearLogFilter()"
+            >
+              <i class="fas fa-times text-sm" aria-hidden="true"></i>
+            </button>
+          </div>
+          <span id="log-filter-stats" class="text-xs theme-text-tertiary tabular-nums whitespace-nowrap min-w-[5rem] text-right">—</span>
+        </div>
+        <span class="text-xs theme-text-tertiary hidden lg:inline">Files under <code class="text-indigo-300">logs/</code> — live tail</span>
+      </div>
       <div id="terminal" class="bg-black rounded-lg overflow-hidden h-96"></div>
     </div>