fix: add ContextMenu component, fix TS errors in ConnectionTree

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/components/common/ContextMenu.vue

@@ -0,0 +1,61 @@
+<script setup lang="ts">
+import { ref } from "vue";
+
+export interface ContextMenuItem {
+  label?: string;
+  icon?: string;
+  action?: () => void;
+  separator?: boolean;
+  disabled?: boolean;
+  danger?: boolean;
+}
+
+const visible = ref(false);
+const posX = ref(0);
+const posY = ref(0);
+const menuItems = ref<ContextMenuItem[]>([]);
+
+function open(event: MouseEvent, items: ContextMenuItem[]) {
+  posX.value = event.clientX;
+  posY.value = event.clientY;
+  menuItems.value = items;
+  visible.value = true;
+}
+
+function close() {
+  visible.value = false;
+}
+
+function handleClick(item: ContextMenuItem) {
+  if (item.disabled || !item.action) return;
+  item.action();
+  close();
+}
+
+defineExpose({ open });
+</script>
+
+<template>
+  <Teleport to="body">
+    <div v-if="visible" class="fixed inset-0 z-50" @click="close" @contextmenu.prevent="close">
+      <div
+        class="absolute bg-zinc-800 border border-zinc-700 rounded-lg shadow-xl py-1 min-w-[160px] z-50"
+        :style="{ left: `${posX}px`, top: `${posY}px` }"
+      >
+        <template v-for="(item, i) in menuItems" :key="i">
+          <div v-if="item.separator" class="border-t border-zinc-700 my-1" />
+          <button
+            v-else
+            class="w-full text-left px-3 py-1.5 text-sm hover:bg-zinc-700 disabled:opacity-40 disabled:cursor-not-allowed flex items-center gap-2"
+            :class="item.danger ? 'text-red-400 hover:text-red-300' : 'text-zinc-200'"
+            :disabled="item.disabled"
+            @click="handleClick(item)"
+          >
+            <span v-if="item.icon" class="w-4 h-4 flex-shrink-0" v-html="item.icon" />
+            {{ item.label }}
+          </button>
+        </template>
+      </div>
+    </div>
+  </Teleport>
+</template>

src/components/sidebar/ConnectionTree.vue

@@ -101,7 +101,15 @@ import { invoke } from "@tauri-apps/api/core";
 import { useConnectionStore, type Connection, type Group } from "@/stores/connection.store";
 import { useSessionStore } from "@/stores/session.store";
 import ContextMenu from "@/components/common/ContextMenu.vue";
-import type { ContextMenuItem } from "@/components/common/ContextMenu.vue";
+
+interface ContextMenuItem {
+  label?: string;
+  icon?: string;
+  action?: () => void;
+  separator?: boolean;
+  disabled?: boolean;
+  danger?: boolean;
+}
 import ConnectionEditDialog from "@/components/connections/ConnectionEditDialog.vue";
 
 const connectionStore = useConnectionStore();