feat: complete ShiftCraft — AI-powered shift scheduling SaaS

Complete implementation including:
- Landing page with hero, features, how-it-works, pricing
- Employee management (CRUD with soft delete)
- AI constraint parser (Anthropic Claude API)
- German labor law templates (ArbZG §3, §5, §9)
- HiGHS ILP solver for optimal fair schedules
- Schedule calendar result view (employee × date grid)
- Shift framework configuration (periods + shifts)
- Subscription tiers: Free / Pro / Business
- PocketBase setup script with collection creation + seed data
- .env.example with all required variables documented

Pages: employees, constraints (list/new/templates), schedules (list/new/[id]),
       settings (organization/shifts/billing), dashboard

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/pages/register.vue

@@ -0,0 +1,107 @@
+<template>
+  <div class="bg-white rounded-2xl border border-gray-100 shadow-sm p-8">
+    <h2 class="text-2xl font-bold text-gray-900 mb-2">Konto erstellen</h2>
+    <p class="text-gray-500 mb-6 text-sm">Starten Sie kostenlos — keine Kreditkarte erforderlich</p>
+
+    <UForm :schema="schema" :state="formState" @submit="onSubmit" class="space-y-4">
+      <div class="grid grid-cols-2 gap-4">
+        <UFormField label="Ihr Name" name="name">
+          <UInput v-model="formState.name" placeholder="Max Mustermann" class="w-full" />
+        </UFormField>
+        <UFormField label="Firma / Organisation" name="orgName">
+          <UInput v-model="formState.orgName" placeholder="Mein Betrieb GmbH" class="w-full" />
+        </UFormField>
+      </div>
+      <UFormField label="E-Mail" name="email">
+        <UInput v-model="formState.email" type="email" placeholder="name@firma.de" class="w-full" />
+      </UFormField>
+      <UFormField label="Passwort" name="password">
+        <UInput v-model="formState.password" type="password" placeholder="Mindestens 8 Zeichen" class="w-full" />
+      </UFormField>
+
+      <UButton type="submit" color="primary" class="w-full justify-center" :loading="loading" size="lg">
+        Kostenlos registrieren
+      </UButton>
+    </UForm>
+
+    <div class="mt-6 text-center">
+      <p class="text-sm text-gray-500">
+        Bereits ein Konto?
+        <NuxtLink to="/login" class="text-indigo-600 hover:text-indigo-700 font-medium">Anmelden</NuxtLink>
+      </p>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import * as z from 'zod'
+import type { FormSubmitEvent } from '@nuxt/ui'
+
+definePageMeta({ layout: 'auth', middleware: 'guest' })
+
+const toast = useToast()
+const loading = ref(false)
+
+const formState = reactive({
+  name: '',
+  orgName: '',
+  email: '',
+  password: '',
+})
+
+const schema = z.object({
+  name: z.string().min(2, 'Name muss mindestens 2 Zeichen lang sein'),
+  orgName: z.string().min(2, 'Organisationsname muss mindestens 2 Zeichen lang sein'),
+  email: z.email('Ungültige E-Mail-Adresse'),
+  password: z.string().min(8, 'Passwort muss mindestens 8 Zeichen lang sein'),
+})
+
+type Schema = z.output<typeof schema>
+
+async function onSubmit(payload: FormSubmitEvent<Schema>) {
+  loading.value = true
+  try {
+    const { pb } = usePocketBase()
+
+    // Create org first
+    const slugBase = payload.data.orgName.toLowerCase().replace(/[^a-z0-9]/g, '-').replace(/-+/g, '-').replace(/^-|-$/g, '')
+    const slug = `${slugBase}-${Math.random().toString(36).slice(2, 7)}`
+
+    const newOrg = await pb.collection('organizations').create({
+      name: payload.data.orgName,
+      slug,
+      timezone: 'Europe/Berlin',
+      industry: 'general',
+      plan: 'free',
+      plan_employee_limit: 5,
+      plan_history_months: 1,
+    })
+
+    // Create user
+    const newUser = await pb.collection('users').create({
+      name: payload.data.name,
+      email: payload.data.email,
+      password: payload.data.password,
+      passwordConfirm: payload.data.password,
+      org_id: newOrg.id,
+      role: 'owner',
+      emailVisibility: true,
+    })
+
+    // Update org with owner
+    await pb.collection('organizations').update(newOrg.id, { owner: newUser.id })
+
+    // Login
+    await pb.collection('users').authWithPassword(payload.data.email, payload.data.password)
+    const orgStore = useOrg()
+    await orgStore.fetchOrg(newOrg.id)
+
+    toast.add({ color: 'success', title: 'Willkommen bei ShiftCraft!', description: 'Ihr Konto wurde erfolgreich erstellt.' })
+    await navigateTo('/dashboard')
+  } catch (err) {
+    toast.add({ color: 'error', title: 'Registrierung fehlgeschlagen', description: (err as Error).message })
+  } finally {
+    loading.value = false
+  }
+}
+</script>