feat: Add LeadsView with role-based filtering

- Users see only their own leads
- Manager/Admin/CEO see all leads
- Filter by owner dropdown for managers
- Lead source field
- Mobile-responsive cards

src/router/index.js

@@ -26,7 +26,7 @@ const routes = [
       {
         path: 'leads',
         name: 'Leads',
-        component: () => import('@/views/ContactsView.vue') // Uses contacts view for now
+        component: () => import('@/views/LeadsView.vue')
       },
       {
         path: 'contacts',

src/views/LeadsView.vue

@@ -0,0 +1,401 @@
+<script setup>
+import { ref, computed, onMounted, watch } from 'vue'
+import { useRouter } from 'vue-router'
+import { useAuthStore } from '@/stores/auth'
+import api from '@/lib/api'
+
+const router = useRouter()
+const auth = useAuthStore()
+
+const leads = ref([])
+const loading = ref(true)
+const search = ref('')
+const filterOwner = ref('all') // 'all' or 'mine' or specific user id
+const teamMembers = ref([])
+const meta = ref({ total: 0 })
+
+// Modal state
+const showNewModal = ref(false)
+const newLead = ref({
+  firstName: '',
+  lastName: '',
+  email: '',
+  phone: '',
+  company: '',
+  leadSource: '',
+})
+
+// Check if user can see all leads
+const canSeeAll = computed(() => {
+  return ['owner', 'admin', 'manager'].includes(auth.user?.role)
+})
+
+// Lead sources for dropdown
+const leadSources = [
+  'Website',
+  'Empfehlung',
+  'Kaltakquise',
+  'Social Media',
+  'Messe',
+  'Werbung',
+  'Sonstiges'
+]
+
+async function fetchLeads() {
+  loading.value = true
+  try {
+    const params = new URLSearchParams()
+    if (search.value) params.append('search', search.value)
+    
+    // If user can't see all, always filter by owner
+    if (!canSeeAll.value) {
+      params.append('ownerId', auth.user.id)
+    } else if (filterOwner.value === 'mine') {
+      params.append('ownerId', auth.user.id)
+    } else if (filterOwner.value !== 'all') {
+      params.append('ownerId', filterOwner.value)
+    }
+    
+    const res = await api.get(`/contacts?${params.toString()}`)
+    leads.value = res.data.data.contacts
+    meta.value = res.data.data.meta
+  } catch (error) {
+    console.error('Failed to fetch leads:', error)
+  } finally {
+    loading.value = false
+  }
+}
+
+async function fetchTeamMembers() {
+  if (!canSeeAll.value) return
+  try {
+    const res = await api.get('/users')
+    teamMembers.value = res.data.data.users
+  } catch (error) {
+    console.error('Failed to fetch team:', error)
+  }
+}
+
+async function createLead() {
+  if (!newLead.value.firstName || !newLead.value.lastName) return
+  
+  try {
+    const res = await api.post('/contacts', newLead.value)
+    showNewModal.value = false
+    newLead.value = { firstName: '', lastName: '', email: '', phone: '', company: '', leadSource: '' }
+    router.push(`/contacts/${res.data.data.contact.id}`)
+  } catch (error) {
+    console.error('Failed to create lead:', error)
+    alert('Fehler beim Erstellen')
+  }
+}
+
+function getInitials(lead) {
+  return (lead.firstName?.[0] || '') + (lead.lastName?.[0] || '')
+}
+
+function formatDate(dateStr) {
+  if (!dateStr) return '-'
+  return new Date(dateStr).toLocaleDateString('de-DE')
+}
+
+// Debounced search
+let searchTimeout
+watch(search, () => {
+  clearTimeout(searchTimeout)
+  searchTimeout = setTimeout(fetchLeads, 300)
+})
+
+watch(filterOwner, fetchLeads)
+
+onMounted(() => {
+  fetchLeads()
+  fetchTeamMembers()
+})
+</script>
+
+<template>
+  <div class="p-4 sm:p-6">
+    <!-- Header -->
+    <div class="flex flex-col sm:flex-row sm:items-center justify-between gap-4 mb-6">
+      <div>
+        <h1 class="text-xl sm:text-2xl font-bold text-white">Leads</h1>
+        <p class="text-pulse-muted text-sm">
+          {{ meta.total }} Leads
+          <span v-if="!canSeeAll" class="text-primary-400">(Meine)</span>
+        </p>
+      </div>
+      <button @click="showNewModal = true" class="btn-primary w-full sm:w-auto">
+        <svg class="w-5 h-5 mr-2" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4" />
+        </svg>
+        Neuer Lead
+      </button>
+    </div>
+
+    <!-- Filters -->
+    <div class="flex flex-col sm:flex-row gap-4 mb-6">
+      <!-- Search -->
+      <div class="relative flex-1 sm:max-w-md">
+        <svg class="absolute left-3 top-1/2 -translate-y-1/2 w-5 h-5 text-pulse-muted" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z" />
+        </svg>
+        <input 
+          v-model="search"
+          type="text"
+          class="input pl-10 w-full"
+          placeholder="Suchen..."
+        />
+      </div>
+
+      <!-- Owner Filter (for managers+) -->
+      <div v-if="canSeeAll" class="flex items-center gap-2">
+        <label class="text-sm text-pulse-muted whitespace-nowrap">Zuständig:</label>
+        <select v-model="filterOwner" class="input py-2 min-w-[150px]">
+          <option value="all">Alle</option>
+          <option value="mine">Meine</option>
+          <option v-for="member in teamMembers" :key="member.id" :value="member.id">
+            {{ member.firstName }} {{ member.lastName }}
+          </option>
+        </select>
+      </div>
+    </div>
+
+    <!-- Loading State -->
+    <div v-if="loading" class="flex items-center justify-center py-12">
+      <div class="animate-spin rounded-full h-8 w-8 border-b-2 border-primary-500"></div>
+    </div>
+
+    <!-- Empty State -->
+    <div v-else-if="leads.length === 0" class="text-center py-12">
+      <div class="text-5xl mb-4">📋</div>
+      <h3 class="text-xl font-medium text-white mb-2">Keine Leads gefunden</h3>
+      <p class="text-pulse-muted mb-4">Erstelle deinen ersten Lead, um loszulegen.</p>
+      <button @click="showNewModal = true" class="btn-primary">
+        Neuer Lead
+      </button>
+    </div>
+
+    <!-- Desktop Table -->
+    <div v-else class="card hidden md:block">
+      <div class="overflow-x-auto">
+        <table class="w-full">
+          <thead>
+            <tr class="border-b border-pulse-border">
+              <th class="text-left text-sm font-medium text-pulse-muted px-4 py-3">Name</th>
+              <th class="text-left text-sm font-medium text-pulse-muted px-4 py-3">E-Mail</th>
+              <th class="text-left text-sm font-medium text-pulse-muted px-4 py-3">Telefon</th>
+              <th class="text-left text-sm font-medium text-pulse-muted px-4 py-3">Firma</th>
+              <th class="text-left text-sm font-medium text-pulse-muted px-4 py-3">Quelle</th>
+              <th v-if="canSeeAll" class="text-left text-sm font-medium text-pulse-muted px-4 py-3">Zuständig</th>
+              <th class="text-left text-sm font-medium text-pulse-muted px-4 py-3">Erstellt</th>
+            </tr>
+          </thead>
+          <tbody>
+            <tr 
+              v-for="lead in leads" 
+              :key="lead.id"
+              class="border-b border-pulse-border/50 hover:bg-pulse-border/30 cursor-pointer transition-colors"
+              @click="router.push(`/contacts/${lead.id}`)"
+            >
+              <td class="px-4 py-3">
+                <div class="flex items-center gap-3">
+                  <div class="w-9 h-9 rounded-full bg-primary-600 flex items-center justify-center text-white font-medium text-sm flex-shrink-0">
+                    {{ getInitials(lead) }}
+                  </div>
+                  <div>
+                    <div class="font-medium text-white">{{ lead.firstName }} {{ lead.lastName }}</div>
+                    <div v-if="lead.jobTitle" class="text-sm text-pulse-muted">{{ lead.jobTitle }}</div>
+                  </div>
+                </div>
+              </td>
+              <td class="px-4 py-3 text-pulse-muted">{{ lead.email || '-' }}</td>
+              <td class="px-4 py-3 text-pulse-muted">{{ lead.phone || '-' }}</td>
+              <td class="px-4 py-3 text-pulse-muted">{{ lead.companyName || '-' }}</td>
+              <td class="px-4 py-3">
+                <span v-if="lead.leadSource" class="px-2 py-1 bg-pulse-border rounded text-xs text-pulse-muted">
+                  {{ lead.leadSource }}
+                </span>
+                <span v-else class="text-pulse-muted">-</span>
+              </td>
+              <td v-if="canSeeAll" class="px-4 py-3 text-pulse-muted">
+                {{ lead.ownerName || '-' }}
+              </td>
+              <td class="px-4 py-3 text-pulse-muted text-sm">{{ formatDate(lead.createdAt) }}</td>
+            </tr>
+          </tbody>
+        </table>
+      </div>
+    </div>
+
+    <!-- Mobile Cards -->
+    <div class="md:hidden space-y-3">
+      <div 
+        v-for="lead in leads" 
+        :key="lead.id"
+        class="card p-4 cursor-pointer hover:border-primary-500/50 transition-colors"
+        @click="router.push(`/contacts/${lead.id}`)"
+      >
+        <div class="flex items-start gap-3">
+          <div class="w-12 h-12 rounded-full bg-primary-600 flex items-center justify-center text-white font-medium flex-shrink-0">
+            {{ getInitials(lead) }}
+          </div>
+          <div class="flex-1 min-w-0">
+            <div class="font-medium text-white">{{ lead.firstName }} {{ lead.lastName }}</div>
+            <div v-if="lead.companyName" class="text-sm text-pulse-muted">{{ lead.companyName }}</div>
+            <div class="flex flex-wrap gap-2 mt-2">
+              <span v-if="lead.leadSource" class="px-2 py-0.5 bg-pulse-border rounded text-xs text-pulse-muted">
+                {{ lead.leadSource }}
+              </span>
+              <span v-if="canSeeAll && lead.ownerName" class="px-2 py-0.5 bg-primary-500/20 rounded text-xs text-primary-400">
+                {{ lead.ownerName }}
+              </span>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+
+    <!-- New Lead Modal -->
+    <div 
+      v-if="showNewModal" 
+      class="fixed inset-0 bg-black/50 flex items-center justify-center z-50 p-4"
+      @click.self="showNewModal = false"
+    >
+      <div class="bg-pulse-card rounded-xl border border-pulse-border w-full max-w-lg max-h-[90vh] overflow-y-auto">
+        <div class="p-6 border-b border-pulse-border">
+          <h2 class="text-xl font-bold text-white">Neuer Lead</h2>
+        </div>
+
+        <form @submit.prevent="createLead" class="p-6 space-y-4">
+          <div class="grid grid-cols-2 gap-4">
+            <div>
+              <label class="block text-sm font-medium text-pulse-muted mb-2">Vorname *</label>
+              <input 
+                v-model="newLead.firstName"
+                type="text"
+                required
+                class="input w-full"
+                placeholder="Max"
+              />
+            </div>
+            <div>
+              <label class="block text-sm font-medium text-pulse-muted mb-2">Nachname *</label>
+              <input 
+                v-model="newLead.lastName"
+                type="text"
+                required
+                class="input w-full"
+                placeholder="Mustermann"
+              />
+            </div>
+          </div>
+
+          <div>
+            <label class="block text-sm font-medium text-pulse-muted mb-2">E-Mail</label>
+            <input 
+              v-model="newLead.email"
+              type="email"
+              class="input w-full"
+              placeholder="max@beispiel.de"
+            />
+          </div>
+
+          <div>
+            <label class="block text-sm font-medium text-pulse-muted mb-2">Telefon</label>
+            <input 
+              v-model="newLead.phone"
+              type="tel"
+              class="input w-full"
+              placeholder="+49 123 456789"
+            />
+          </div>
+
+          <div>
+            <label class="block text-sm font-medium text-pulse-muted mb-2">Firma</label>
+            <input 
+              v-model="newLead.company"
+              type="text"
+              class="input w-full"
+              placeholder="Beispiel GmbH"
+            />
+          </div>
+
+          <div>
+            <label class="block text-sm font-medium text-pulse-muted mb-2">Lead-Quelle</label>
+            <select v-model="newLead.leadSource" class="input w-full">
+              <option value="">Auswählen...</option>
+              <option v-for="source in leadSources" :key="source" :value="source">
+                {{ source }}
+              </option>
+            </select>
+          </div>
+
+          <div class="flex justify-end gap-3 pt-4">
+            <button 
+              type="button"
+              @click="showNewModal = false"
+              class="btn-secondary"
+            >
+              Abbrechen
+            </button>
+            <button type="submit" class="btn-primary">
+              Lead erstellen
+            </button>
+          </div>
+        </form>
+      </div>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.btn-primary {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  padding: 0.5rem 1rem;
+  background-color: rgb(99 102 241);
+  color: white;
+  font-weight: 500;
+  border-radius: 0.5rem;
+  transition: background-color 0.2s;
+}
+.btn-primary:hover {
+  background-color: rgb(79 70 229);
+}
+
+.btn-secondary {
+  padding: 0.5rem 1rem;
+  background-color: rgb(55 65 81);
+  color: white;
+  font-weight: 500;
+  border-radius: 0.5rem;
+  transition: background-color 0.2s;
+}
+.btn-secondary:hover {
+  background-color: rgb(75 85 99);
+}
+
+.input {
+  background-color: rgb(17 24 39);
+  border: 1px solid rgb(55 65 81);
+  border-radius: 0.5rem;
+  padding: 0.5rem 0.75rem;
+  color: white;
+  transition: border-color 0.2s;
+}
+.input::placeholder {
+  color: rgb(107 114 128);
+}
+.input:focus {
+  outline: none;
+  border-color: rgb(99 102 241);
+}
+
+.card {
+  background-color: rgb(31 41 55);
+  border: 1px solid rgb(55 65 81);
+  border-radius: 0.75rem;
+}
+</style>