Initial commit

backend/app/entities/personal_data.py

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+"""Domain entity: PersonalData (parent profile).
+
+A PersonalData represents a parent in the planning workspace. It intentionally
+exists without a User login so that solo planning for a partner who hasn't
+registered is possible (see ARCHITECTURE.md §3.0).
+
+personnummer storage is discouraged (see §11). If kept, personnummer_enc must
+be keyed HMAC / authenticated encryption — never a plain SHA-256.
+"""
+
+from dataclasses import dataclass, field
+from datetime import datetime
+from uuid import UUID
+
+
+@dataclass
+class PersonalData:
+    uuid: UUID
+    workspace_id: UUID
+    name: str
+    salary_type: str = "monthly"  # 'monthly' | 'hourly'
+    employment_status: str = "employed"  # 'employed' | 'jobseeking' | 'none'
+    personnummer_enc: str | None = None  # encrypted/HMAC; prefer None
+    created_at: datetime | None = field(default=None)
+    deleted_at: datetime | None = field(default=None)