1bc42b25-8a92-4b1e-9e45-a4dba3d1ac57

prisma/schema.prisma

@@ -275,3 +275,65 @@ model InvoiceLine {
   unitCents   Int
   totalCents  Int
 }
+
+// ---------------------------------------------------------------------------
+// Contracts / Verträge (Phase 5 — adapted from PerfEx Contracts, Germanized)
+// German contract types: Werkvertrag, Dienstvertrag, Wartungsvertrag/SLA,
+// AVV (Auftragsverarbeitungsvertrag), NDA, AVV
+// ---------------------------------------------------------------------------
+
+model Contract {
+  id            String   @id @default(cuid())
+  number        String   @unique // gapless, e.g. VER-2026-0001
+  companyId     String
+  type          String   // werkvertrag|dienstvertrag|wartung-sla|avv|nda|dpa
+  title         String
+  status        String   @default("draft") // draft|sent|signed|active|expired|terminated
+  valueCents    Int      @default(0)
+  startDate     DateTime?
+  endDate       DateTime? // null = unbefristet
+  templateId    String?  // reference to a stored template
+  dealId        String?  // optional link to originating deal
+  projectId     String?  // optional link to project
+  // E-signature hook (mock)
+  signedAt      DateTime?
+  signedBy      String?  // signer name/email
+  signedIp      String?
+  signToken     String?  // unique token for the signing link
+  notes         String?
+  createdAt     DateTime @default(now())
+  updatedAt     DateTime @updatedAt
+}
+
+// ---------------------------------------------------------------------------
+// Expenses / Ausgaben (adapted from PerfEx Expenses, Germanized for DATEV)
+// ---------------------------------------------------------------------------
+
+model Expense {
+  id            String   @id @default(cuid())
+  number        String   @unique // gapless, e.g. AUS-2026-0001
+  categoryId    String   // reise|software|hardware|fremdleistung|buero|marketing
+  vendor        String?  // supplier / merchant
+  description   String
+  amountCents   Int      // net amount
+  taxBp         Int      @default(1900)
+  grossCents    Int      @default(0)
+  date          DateTime @default(now())
+  // linking
+  companyId     String?  // customer this is billable to
+  projectId     String?  // project this relates to
+  billable      Boolean  @default(false) // convert to customer invoice
+  markupPct     Int      @default(0) // markup when re-billed
+  // recurring
+  recurring     Boolean  @default(false)
+  recurringInterval String? // monthly|quarterly|yearly
+  // receipt + export
+  receiptHash   String?  // SHA-256 of stored receipt file (content-addressed)
+  datevExported Boolean  @default(false)
+  // conversion
+  convertedInvoiceId String? // link to the invoice created from this expense
+  status        String   @default("recorded") // recorded|approved|invoiced|rejected
+  createdAt     DateTime @default(now())
+  updatedAt     DateTime @updatedAt
+}
+