add svelte UI

ui/components/menu/PopoverMenu.svelte

@@ -0,0 +1,101 @@
+<script>
+  import { createEventDispatcher } from "svelte";
+  import { EllipsisVertical } from "lucide-svelte";
+
+  export let open = false;
+  export let items = [];
+
+  const dispatch = createEventDispatcher();
+
+  function onTriggerClick(e) {
+    e.stopPropagation();
+    dispatch("toggle");
+  }
+
+  function onItemClick(e, item) {
+    e.stopPropagation();
+    dispatch("select", item);
+  }
+</script>
+
+<div class="popover-wrapper">
+  <button class="popover-trigger" on:click={onTriggerClick} title="Options">
+    <EllipsisVertical size="1rem" />
+  </button>
+
+  {#if open}
+    <div class="popover-panel">
+      {#each items as item}
+        <button
+          class="popover-item"
+          class:danger={item.danger}
+          on:click={(e) => onItemClick(e, item)}
+        >
+          {item.label}
+        </button>
+      {/each}
+    </div>
+  {/if}
+</div>
+
+<style>
+  .popover-wrapper {
+    position: relative;
+  }
+
+  .popover-trigger {
+    background: none;
+    border: none;
+    box-shadow: none;
+    color: var(--text-muted);
+    cursor: pointer;
+    padding: 0.375rem;
+    border-radius: 0.25rem;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+  }
+
+  .popover-trigger:hover {
+    color: var(--text-normal);
+  }
+
+  .popover-panel {
+    position: absolute;
+    right: 0;
+    top: 100%;
+    z-index: 10;
+    background: var(--background-primary);
+    border: 1px solid var(--background-modifier-border);
+    border-radius: 0.375rem;
+    padding: 0.25rem;
+    min-width: 7.5rem;
+    box-shadow: 0 0.25rem 1rem rgba(0, 0, 0, 0.4);
+  }
+
+  .popover-item {
+    display: block;
+    width: 100%;
+    padding: 0.375rem 0.75rem;
+    border: none;
+    background: none;
+    box-shadow: none;
+    color: var(--text-normal);
+    font-size: 0.8125rem;
+    cursor: pointer;
+    border-radius: 0.25rem;
+    text-align: left;
+  }
+
+  .popover-item:hover {
+    background: var(--background-modifier-hover);
+  }
+
+  .popover-item.danger {
+    color: var(--text-error, #e93147);
+  }
+
+  .popover-item.danger:hover {
+    background: rgba(233, 49, 71, 0.1);
+  }
+</style>