diff --git a/apps/viewer/src/components/gm/GmTelemetryWindow.vue b/apps/viewer/src/components/gm/GmTelemetryWindow.vue
index 137cbb3..1a314ad 100644
--- a/apps/viewer/src/components/gm/GmTelemetryWindow.vue
+++ b/apps/viewer/src/components/gm/GmTelemetryWindow.vue
@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import { onMounted, onUnmounted, ref } from "vue";
 import GmWindow from "./GmWindow.vue";
-import { fetchTelemetry } from "../../api";
+import { fetchTelemetry, resetWorld } from "../../api";
 import type { TelemetrySnapshot } from "../../contractsTelemetry";
 
 const emit = defineEmits<{ close: [] }>();
@@ -61,6 +61,22 @@ function cpuBarClass(pct: number) {
   if (pct >= 50) return "gm-telemetry-bar--mid";
   return "gm-telemetry-bar--low";
 }
+
+const resetting = ref(false);
+const resetError = ref<string | null>(null);
+
+async function handleReset() {
+  if (!confirm("Reset the game world? This cannot be undone.")) return;
+  resetting.value = true;
+  resetError.value = null;
+  try {
+    await resetWorld();
+  } catch {
+    resetError.value = "Reset failed";
+  } finally {
+    resetting.value = false;
+  }
+}
 </script>
 
 <template>
@@ -161,6 +177,20 @@ function cpuBarClass(pct: number) {
           <span>Polling every 2s</span>
         </div>
       </template>
+
+      <!-- Reset -->
+      <div class="mt-3 border-t border-white/10 pt-3">
+        <div v-if="resetError" class="gm-telemetry-error mb-2 rounded px-3 py-1.5 text-xs">
+          {{ resetError }}
+        </div>
+        <button
+          class="gm-telemetry-reset-btn w-full rounded px-3 py-1.5 text-xs font-semibold uppercase tracking-wide transition-opacity disabled:opacity-40"
+          :disabled="resetting"
+          @click="handleReset"
+        >
+          {{ resetting ? "Resetting…" : "Reset World" }}
+        </button>
+      </div>
     </div>
   </GmWindow>
 </template>
diff --git a/apps/viewer/src/styles/viewer.css b/apps/viewer/src/styles/viewer.css
index 0df80b3..7294ddd 100644
--- a/apps/viewer/src/styles/viewer.css
+++ b/apps/viewer/src/styles/viewer.css
@@ -747,6 +747,18 @@ canvas {
   box-shadow: 0 0 4px rgba(100, 220, 130, 0.5);
 }
 
+.gm-telemetry-reset-btn {
+  background: rgba(255, 80, 60, 0.10);
+  border: 1px solid rgba(255, 80, 60, 0.28);
+  color: rgba(255, 140, 120, 0.9);
+  cursor: pointer;
+}
+
+.gm-telemetry-reset-btn:hover:not(:disabled) {
+  background: rgba(255, 80, 60, 0.20);
+  border-color: rgba(255, 80, 60, 0.50);
+}
+
 /* ── GM Settings Window ──────────────────────────────────────────────────── */
 
 .gm-settings {
diff --git a/apps/viewer/vite.config.ts b/apps/viewer/vite.config.ts
index 80e0f97..ccd93aa 100644
--- a/apps/viewer/vite.config.ts
+++ b/apps/viewer/vite.config.ts
@@ -10,6 +10,7 @@ export default defineConfig({
   server: {
     host: true,
     port: 5174,
+    allowedHosts: ["sobina.local"],
     proxy: {
       "/api": "http://127.0.0.1:5079",
     },
@@ -18,4 +19,4 @@ export default defineConfig({
     outDir: "../../dist/viewer",
     emptyOutDir: true,
   },
-});
+})