feat: Add search and selection to Users view

- Search by name, email, phone
- Checkbox selection for bulk actions
- Select all / clear selection
- Bulk activate/deactivate
- Click row to edit user
- Edit modal for user details
- Added Subunternehmer role option

src/views/UsersView.vue

@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { ref, onMounted } from 'vue'
+import { ref, computed, onMounted } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { useAuthStore } from '@/stores/auth'
 import { api } from '@/api'
@@ -20,6 +20,11 @@ interface User {
 const users = ref<User[]>([])
 const loading = ref(true)
 const showCreateModal = ref(false)
+const searchQuery = ref('')
+const selectedUsers = ref<string[]>([])
+const showEditModal = ref(false)
+const editingUser = ref<User | null>(null)
+
 const newUser = ref({
   email: '',
   password: '',
@@ -29,6 +34,22 @@ const newUser = ref({
   role: 'mitarbeiter' as const
 })
 
+const filteredUsers = computed(() => {
+  if (!searchQuery.value) return users.value
+  const query = searchQuery.value.toLowerCase()
+  return users.value.filter(u => 
+    u.first_name.toLowerCase().includes(query) ||
+    u.last_name.toLowerCase().includes(query) ||
+    u.email.toLowerCase().includes(query) ||
+    u.phone?.toLowerCase().includes(query)
+  )
+})
+
+const allSelected = computed(() => 
+  filteredUsers.value.length > 0 && 
+  filteredUsers.value.every(u => selectedUsers.value.includes(u.id))
+)
+
 onMounted(async () => {
   await loadUsers()
 })
@@ -69,11 +90,78 @@ async function toggleActive(user: User) {
   }
 }
 
+function toggleSelection(userId: string) {
+  const idx = selectedUsers.value.indexOf(userId)
+  if (idx > -1) {
+    selectedUsers.value.splice(idx, 1)
+  } else {
+    selectedUsers.value.push(userId)
+  }
+}
+
+function toggleSelectAll() {
+  if (allSelected.value) {
+    selectedUsers.value = []
+  } else {
+    selectedUsers.value = filteredUsers.value.map(u => u.id)
+  }
+}
+
+function clearSelection() {
+  selectedUsers.value = []
+}
+
+function openEditModal(user: User) {
+  editingUser.value = { ...user }
+  showEditModal.value = true
+}
+
+async function saveUser() {
+  if (!editingUser.value) return
+  try {
+    await api.put(`/users/${editingUser.value.id}`, {
+      first_name: editingUser.value.first_name,
+      last_name: editingUser.value.last_name,
+      phone: editingUser.value.phone,
+      role: editingUser.value.role
+    })
+    showEditModal.value = false
+    editingUser.value = null
+    await loadUsers()
+  } catch (e) {
+    alert(e instanceof Error ? e.message : t('messages.error'))
+  }
+}
+
+// Bulk actions (placeholder for future)
+async function bulkActivate() {
+  for (const userId of selectedUsers.value) {
+    const user = users.value.find(u => u.id === userId)
+    if (user && !user.active) {
+      await api.put(`/users/${userId}`, { active: true })
+    }
+  }
+  selectedUsers.value = []
+  await loadUsers()
+}
+
+async function bulkDeactivate() {
+  for (const userId of selectedUsers.value) {
+    const user = users.value.find(u => u.id === userId)
+    if (user && user.active && user.role !== 'chef') {
+      await api.delete(`/users/${userId}`)
+    }
+  }
+  selectedUsers.value = []
+  await loadUsers()
+}
+
 function getRoleBadge(role: string) {
   const badges: Record<string, string> = {
     chef: 'badge-danger',
     disponent: 'badge-primary',
-    mitarbeiter: 'badge-success'
+    mitarbeiter: 'badge-success',
+    subunternehmer: 'badge-warning'
   }
   return badges[role] || 'badge-secondary'
 }
@@ -90,27 +178,116 @@ function getRoleLabel(role: string) {
       <button class="btn btn-primary" @click="showCreateModal = true">+ {{ t('users.new') }}</button>
     </div>
 
+    <!-- Search and Filters -->
+    <div class="card">
+      <div class="flex flex-col md:flex-row gap-4">
+        <div class="flex-1 relative">
+          <input
+            v-model="searchQuery"
+            type="text"
+            :placeholder="'🔍 ' + t('app.search') + '...'"
+            class="input w-full pl-4"
+          />
+          <button 
+            v-if="searchQuery"
+            @click="searchQuery = ''"
+            class="absolute right-3 top-1/2 -translate-y-1/2 text-gray-400 hover:text-gray-600"
+          >
+            ✕
+          </button>
+        </div>
+        <div class="text-sm text-gray-500 flex items-center">
+          {{ filteredUsers.length }} {{ t('users.employees') }}
+        </div>
+      </div>
+    </div>
+
+    <!-- Selection Action Bar -->
+    <div v-if="selectedUsers.length > 0" class="card bg-primary-50 dark:bg-primary-900/20 border-primary-200 dark:border-primary-800">
+      <div class="flex items-center justify-between">
+        <div class="flex items-center gap-3">
+          <span class="font-medium text-primary-700 dark:text-primary-300">
+            {{ selectedUsers.length }} {{ t('app.add') }}
+          </span>
+          <button @click="clearSelection" class="text-sm text-gray-500 hover:text-gray-700">
+            ✕ {{ t('app.cancel') }}
+          </button>
+        </div>
+        <div class="flex gap-2">
+          <button @click="bulkActivate" class="btn btn-success text-sm">
+            ✓ {{ t('modules.enable') }}
+          </button>
+          <button @click="bulkDeactivate" class="btn btn-danger text-sm">
+            ✗ {{ t('modules.disable') }}
+          </button>
+        </div>
+      </div>
+    </div>
+
+    <!-- Users Table -->
     <div class="card">
       <div v-if="loading" class="text-center py-8 text-gray-500">{{ t('app.loading') }}</div>
-      <div v-else-if="users.length === 0" class="text-center py-8 text-gray-500">{{ t('messages.noData') }}</div>
+      <div v-else-if="filteredUsers.length === 0" class="text-center py-8 text-gray-500">
+        <p class="text-4xl mb-2">👥</p>
+        <p>{{ t('messages.noData') }}</p>
+      </div>
       
       <table v-else class="w-full">
         <thead>
           <tr class="text-left text-sm text-gray-500 border-b border-gray-200 dark:border-gray-700">
+            <th class="pb-3 w-10">
+              <input 
+                type="checkbox" 
+                :checked="allSelected"
+                @change="toggleSelectAll"
+                class="w-4 h-4 rounded border-gray-300"
+              />
+            </th>
             <th class="pb-3">{{ t('auth.firstName') }} {{ t('auth.lastName') }}</th>
-            <th class="pb-3">{{ t('auth.email') }}</th>
+            <th class="pb-3 hidden md:table-cell">{{ t('auth.email') }}</th>
             <th class="pb-3">{{ t('users.role') }}</th>
             <th class="pb-3">{{ t('app.status') }}</th>
             <th class="pb-3"></th>
           </tr>
         </thead>
         <tbody>
-          <tr v-for="user in users" :key="user.id" class="border-b border-gray-100 dark:border-gray-800">
-            <td class="py-3 font-medium">{{ user.first_name }} {{ user.last_name }}</td>
-            <td class="py-3 text-gray-500">{{ user.email }}</td>
-            <td class="py-3"><span :class="['badge', getRoleBadge(user.role)]">{{ getRoleLabel(user.role) }}</span></td>
-            <td class="py-3"><span :class="user.active ? 'text-green-600' : 'text-red-600'">{{ user.active ? t('users.active') : t('users.inactive') }}</span></td>
-            <td class="py-3 text-right">
+          <tr 
+            v-for="user in filteredUsers" 
+            :key="user.id" 
+            class="border-b border-gray-100 dark:border-gray-800 hover:bg-gray-50 dark:hover:bg-gray-700/50 cursor-pointer"
+            @click="openEditModal(user)"
+          >
+            <td class="py-3" @click.stop>
+              <input 
+                type="checkbox" 
+                :checked="selectedUsers.includes(user.id)"
+                @change="toggleSelection(user.id)"
+                class="w-4 h-4 rounded border-gray-300"
+              />
+            </td>
+            <td class="py-3">
+              <div class="flex items-center gap-3">
+                <div class="w-8 h-8 rounded-full bg-primary-100 dark:bg-primary-900 flex items-center justify-center flex-shrink-0">
+                  <span class="text-primary-600 dark:text-primary-300 text-sm font-medium">
+                    {{ user.first_name?.[0] }}{{ user.last_name?.[0] }}
+                  </span>
+                </div>
+                <div>
+                  <p class="font-medium">{{ user.first_name }} {{ user.last_name }}</p>
+                  <p class="text-xs text-gray-500 md:hidden">{{ user.email }}</p>
+                </div>
+              </div>
+            </td>
+            <td class="py-3 text-gray-500 hidden md:table-cell">{{ user.email }}</td>
+            <td class="py-3">
+              <span :class="['badge', getRoleBadge(user.role)]">{{ getRoleLabel(user.role) }}</span>
+            </td>
+            <td class="py-3">
+              <span :class="user.active ? 'text-green-600' : 'text-red-600'">
+                {{ user.active ? '✓' : '✗' }}
+              </span>
+            </td>
+            <td class="py-3 text-right" @click.stop>
               <button 
                 v-if="user.id !== authStore.user?.id && user.role !== 'chef'"
                 class="text-sm text-gray-500 hover:text-red-600"
@@ -156,6 +333,7 @@ function getRoleLabel(role: string) {
             <select v-model="newUser.role" class="input">
               <option value="mitarbeiter">{{ t('users.roles.mitarbeiter') }}</option>
               <option value="disponent">{{ t('users.roles.disponent') }}</option>
+              <option value="subunternehmer">Subunternehmer</option>
             </select>
           </div>
           <div class="flex justify-end gap-3 pt-4">
@@ -165,5 +343,44 @@ function getRoleLabel(role: string) {
         </form>
       </div>
     </div>
+
+    <!-- Edit Modal -->
+    <div v-if="showEditModal && editingUser" class="fixed inset-0 z-50 flex items-center justify-center bg-black/50">
+      <div class="card w-full max-w-md m-4">
+        <h2 class="text-xl font-semibold mb-6">✏️ {{ t('app.edit') }}</h2>
+        <form @submit.prevent="saveUser" class="space-y-4">
+          <div class="grid grid-cols-2 gap-4">
+            <div>
+              <label class="block text-sm font-medium mb-1">{{ t('auth.firstName') }} *</label>
+              <input v-model="editingUser.first_name" type="text" required class="input" />
+            </div>
+            <div>
+              <label class="block text-sm font-medium mb-1">{{ t('auth.lastName') }} *</label>
+              <input v-model="editingUser.last_name" type="text" required class="input" />
+            </div>
+          </div>
+          <div>
+            <label class="block text-sm font-medium mb-1">{{ t('auth.email') }}</label>
+            <input :value="editingUser.email" type="email" disabled class="input bg-gray-100 dark:bg-gray-700" />
+          </div>
+          <div>
+            <label class="block text-sm font-medium mb-1">{{ t('users.phone') }}</label>
+            <input v-model="editingUser.phone" type="tel" class="input" />
+          </div>
+          <div v-if="authStore.isChef && editingUser.role !== 'chef'">
+            <label class="block text-sm font-medium mb-1">{{ t('users.role') }}</label>
+            <select v-model="editingUser.role" class="input">
+              <option value="mitarbeiter">{{ t('users.roles.mitarbeiter') }}</option>
+              <option value="disponent">{{ t('users.roles.disponent') }}</option>
+              <option value="subunternehmer">Subunternehmer</option>
+            </select>
+          </div>
+          <div class="flex justify-end gap-3 pt-4">
+            <button type="button" class="btn btn-secondary" @click="showEditModal = false">{{ t('app.cancel') }}</button>
+            <button type="submit" class="btn btn-primary">{{ t('app.save') }}</button>
+          </div>
+        </form>
+      </div>
+    </div>
   </div>
 </template>