feat: production-ready domain control dashboard

internal/web/templates/settings.html

@@ -0,0 +1,43 @@
+{{define "settings"}}{{template "layout" .}}{{end}}
+{{define "content"}}
+<header class="page-heading">
+  <div><span class="page-kicker">Scheduler</span><h1>Updater-Konfiguration</h1><p>Dienststatus, Intervall und IP-Familien zentral steuern.</p></div>
+</header>
+
+<form action="/settings" method="post" class="settings-form" data-settings-form>
+  <input type="hidden" name="csrf" value="{{.CSRF}}">
+  <section class="settings-mode-grid" aria-label="Updater-Schalter">
+    <label class="setting-switch-card {{if .Settings.UpdaterEnabled}}is-enabled{{end}}">
+      <span class="setting-switch-copy"><span class="section-label">Automatik</span><strong>DynDNS-Dienst</strong><small>Stoppt geplante und automatisch ausgelöste Aktualisierungen vollständig.</small></span>
+      <span class="switch setting-switch"><input type="checkbox" name="updater_enabled" data-updater-toggle {{if .Settings.UpdaterEnabled}}checked{{end}}><span></span><b>{{if .Settings.UpdaterEnabled}}Aktiv{{else}}Inaktiv{{end}}</b></span>
+    </label>
+    <label class="setting-switch-card {{if .Settings.IPv6Enabled}}is-enabled{{end}}">
+      <span class="setting-switch-copy"><span class="section-label">IP-Familie</span><strong>IPv6-Aktualisierung</strong><small>Deaktiviert IPv6-Ermittlung und AAAA-Updates, ohne Zielkonfigurationen zu löschen.</small></span>
+      <span class="switch setting-switch"><input type="checkbox" name="ipv6_enabled" data-ipv6-toggle {{if .Settings.IPv6Enabled}}checked{{end}}><span></span><b>{{if .Settings.IPv6Enabled}}Aktiv{{else}}Inaktiv{{end}}</b></span>
+    </label>
+  </section>
+
+  <section class="form-panel compact-panel settings-fields">
+    <div class="stacked-form wide-form">
+      <div class="form-grid">
+        <label>Abfrageintervall in Sekunden
+          <input type="number" name="interval" min="60" max="86400" value="{{.Settings.UpdateIntervalSeconds}}" required>
+          <small>Zulässig: 60 bis 86.400 Sekunden. Jeder manuelle oder automatisch ausgelöste Lauf startet dieses Intervall neu.</small>
+        </label>
+        <div class="technical-summary"><span>Letzter Lauf</span><strong>{{formatTime .Settings.LastRunAt}}</strong><span>Status</span><strong class="{{statusClass .Settings.LastRunStatus}}">{{if .Settings.LastRunStatus}}{{.Settings.LastRunStatus}}{{else}}Nicht ausgeführt{{end}}</strong></div>
+      </div>
+      <div class="form-grid endpoint-grid">
+        <label>IPv4-Endpunkte
+          <textarea name="ipv4_endpoints" rows="4" spellcheck="false" required>{{formatEndpoints .Settings.IPv4Endpoints}}</textarea>
+          <small>Eine HTTPS-URL pro Zeile; Reihenfolge entspricht der Fallback-Reihenfolge.</small>
+        </label>
+        <label class="endpoint-setting {{if not .Settings.IPv6Enabled}}is-disabled{{end}}" data-ipv6-settings aria-disabled="{{if .Settings.IPv6Enabled}}false{{else}}true{{end}}">IPv6-Endpunkte
+          <textarea name="ipv6_endpoints" rows="4" spellcheck="false" {{if .Settings.IPv6Enabled}}required{{end}}>{{formatEndpoints .Settings.IPv6Endpoints}}</textarea>
+          <small>Werden nur verwendet, wenn IPv6 oben aktiviert ist.</small>
+        </label>
+      </div>
+      <div class="form-actions"><button class="button button-primary" type="submit">Konfiguration speichern</button><a class="button button-quiet" href="/">Zur Übersicht</a></div>
+    </div>
+  </section>
+</form>
+{{end}}