Initial commit

backend/app/entities/workspace.py

@@ -0,0 +1,13 @@
+"""Domain entity: Workspace (shared planning space for 1–2 parents)."""
+
+from dataclasses import dataclass
+from datetime import datetime
+from uuid import UUID
+
+
+@dataclass
+class Workspace:
+    id: UUID
+    name: str
+    planning_goal: str = "balanced"  # 'max_time' | 'max_money' | 'balanced'
+    created_at: datetime | None = None