Initial commit – TimeMaster Zeiterfassung & HR-Tool

Stand: agent-06 (Audit-Log), agent-05 (Krankmeldung), agent-07 Phase 1 (Personalnummer),
Busylight-Pull-Integration, TOTP/2FA, Abwesenheiten, Zeiterfassung, Kiosk-Grundgerüst.
Migrations 0001–0023 deployed auf 192.168.1.137 + .164.

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

backend/app/models/department.py

@@ -0,0 +1,40 @@
+import uuid
+from typing import TYPE_CHECKING
+
+from sqlalchemy import ForeignKey, String
+from sqlalchemy.dialects.postgresql import UUID
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.core.database import Base
+
+if TYPE_CHECKING:
+    from app.models.company import Company
+    from app.models.user import User
+
+
+class Department(Base):
+    __tablename__ = "departments"
+
+    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    company_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("companies.id", ondelete="CASCADE"), nullable=False)
+    name: Mapped[str] = mapped_column(String(255), nullable=False)
+    manager_id: Mapped[uuid.UUID | None] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="SET NULL", use_alter=True, name="fk_dep_manager"))
+
+    # Relationships
+    company: Mapped["Company"] = relationship("Company", back_populates="departments")
+    members: Mapped[list["User"]] = relationship(
+        "User",
+        primaryjoin="User.department_id == Department.id",
+        foreign_keys="[User.department_id]",
+        back_populates="department",
+        lazy="noload",
+    )
+    manager: Mapped["User | None"] = relationship(
+        "User",
+        primaryjoin="Department.manager_id == User.id",
+        foreign_keys="[Department.manager_id]",
+        lazy="noload",
+    )
+
+    def __repr__(self) -> str:
+        return f"<Department {self.name}>"