feat: add add/edit ministrant actions in ListView

- Each ministrant row shows an edit button for admin
- Bottom of ministrant list has an add button
- Events wired to PlanView's createMinistrant dialog

public/src/components/ListView.vue

@@ -15,6 +15,8 @@ defineProps<{
 const emit = defineEmits<{
     toggleMark: [gid: number, mid: number]
     addGottesdienst: []
+    addMinistrant: []
+    editMinistrant: [id: number]
 }>()
 
 const activeTab = ref<"gottesdienste" | "ministranten">("gottesdienste")
@@ -56,10 +58,16 @@ const activeTab = ref<"gottesdienste" | "ministranten">("gottesdienste")
                 <div v-for="mini in ministranten" :key="mini.id" class="mini-row">
                     <span class="mini-name">{{ mini.firstname }} {{ mini.lastname }}</span>
                     <span class="mini-username">@{{ mini.username }}</span>
+                    <button v-if="admin" class="edit-btn" @click="emit('editMinistrant', mini.id)">
+                        <i class="icon">edit</i>
+                    </button>
                 </div>
                 <div v-if="ministranten.length === 0" class="empty-state">
                     Keine Ministranten
                 </div>
+                <button v-if="admin" class="add-mini" @click="emit('addMinistrant')">
+                    <i class="icon">add</i> Ministrant
+                </button>
             </div>
         </template>
     </div>
@@ -138,12 +146,67 @@ const activeTab = ref<"gottesdienste" | "ministranten">("gottesdienste")
         }
     }
 
+    .mini-row {
+        .edit-btn {
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            width: 32px;
+            height: 32px;
+            padding: 0;
+            margin: 0;
+            border: none;
+            border-radius: 4px;
+            background: transparent;
+            color: #aaa;
+            cursor: pointer;
+            transition: 100ms;
+            flex-shrink: 0;
+
+            i {
+                font-size: 18px;
+                margin: 0;
+            }
+
+            &:hover {
+                background: #f0f0f0;
+                color: #555;
+            }
+        }
+    }
+
     .empty-state {
         padding: 24px;
         text-align: center;
         color: #999;
         font-size: 14px;
     }
+
+    .add-mini {
+        display: flex;
+        width: 100%;
+        padding: 10px;
+        font-size: 14px;
+        justify-content: center;
+        background: #fafafa;
+        border: none;
+        border-top: 1px solid #f0f0f0;
+        border-radius: 0;
+        cursor: pointer;
+        color: #777;
+        transition: 100ms;
+        margin: 0;
+
+        i {
+            font-size: 20px;
+            margin-right: 6px;
+        }
+
+        &:hover {
+            background: #f0f0f0;
+            color: #444;
+        }
+    }
 }
 
 .add-godi {