python-fun/.agent/current-plan.md

Plan: UserId Value Object

Status: COMPLETED

Objective

Create a UserId value object in the marketplace domain with an immutable UUID value.

Decisions Made

• Location: domain/marketplace/user_id.py
• Class style: @dataclass(frozen=True) for immutability
• Tests: Yes

Value Object Structure

@dataclass(frozen=True)
class UserId:
    value: UUID

Files Created

• domain/marketplace/user_id.py
• tests/test_user_id.py

Test Results

• test_user_id_creation - PASSED
• test_user_id_is_immutable - PASSED
• test_user_id_equality - PASSED