Add experiments folder. Add usage.md and SKILL.md. Fix Sheet interactions and add dynamic sheet mode.

apps/demo/src/views/VueCompatibilityAwayView.vue

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+<script setup lang="ts">
+import { computed, ref } from "vue";
+import { useNativeRouter } from "@native-vue-router/core";
+import { useRoute } from "vue-router";
+import AppHeader from "../components/AppHeader.vue";
+import {
+  compatibilityLab,
+  recordCompatibilityEvent,
+} from "../compatibility-lab";
+
+const route = useRoute();
+const native = useNativeRouter();
+const unloadStatus = ref("Lab remains cached");
+const labLocation = computed(() => ({
+  name: "vue-compatibility",
+  params: { sample: route.params.sample },
+  query: route.query,
+  hash: route.hash,
+}));
+
+function unloadLab() {
+  const count = native.unload(labLocation.value);
+  unloadStatus.value = count
+    ? "Lab view evicted; Back will create a new instance"
+    : "No matching inactive lab view was mounted";
+  recordCompatibilityEvent("Away screen", "native.unload", `${count} view(s)`);
+}
+
+async function unloadAndReturn() {
+  unloadLab();
+  await native.pop();
+}
+</script>
+
+<template>
+  <main
+    class="screen compatibility-screen"
+    data-testid="vue-compatibility-away"
+  >
+    <AppHeader
+      title="Cached-route checkpoint"
+      subtitle="The compatibility lab is behind this view"
+      back
+    />
+
+    <section class="lab-intro compat-intro">
+      <span>↩</span>
+      <div>
+        <strong>Inspect native cache behavior</strong>
+        <p>
+          The previous lab instance is inactive but still mounted until you
+          explicitly unload it.
+        </p>
+      </div>
+    </section>
+
+    <section class="settings-group">
+      <h2>Inactive route controls</h2>
+      <div>
+        <span
+          ><strong>Compatibility lab</strong
+          ><small>{{ unloadStatus }}</small></span
+        ><b>behind</b>
+      </div>
+      <p>
+        Use normal Back to observe native activate/show without Vue remount
+        hooks. Use “Unload and return” to observe beforeUnmount/unmounted
+        followed by a fresh component instance.
+      </p>
+    </section>
+    <div class="compat-controls">
+      <button type="button" data-testid="compat-unload-lab" @click="unloadLab">
+        Unload cached lab
+      </button>
+      <button
+        type="button"
+        data-testid="compat-unload-return"
+        @click="unloadAndReturn"
+      >
+        Unload and return
+      </button>
+    </div>
+
+    <section class="settings-group compat-event-section">
+      <div class="compat-event-heading">
+        <span
+          ><strong>Shared lifecycle journal</strong
+          ><small>Events survive route eviction</small></span
+        >
+      </div>
+      <ol class="compat-event-log" data-testid="compat-away-event-log">
+        <li v-for="event in compatibilityLab.events" :key="event.id">
+          <time>{{ event.timestamp }}</time>
+          <span
+            ><strong>{{ event.source }}</strong
+            ><code>{{ event.hook }}</code></span
+          >
+          <small>{{ event.detail }}</small>
+        </li>
+      </ol>
+    </section>
+  </main>
+</template>