ai-sdlc-3-develop

name	ai-sdlc-3-develop
description	Implement the current use case using strict TDD.

PHASE 3 — DEVELOP

Goal

Implement the current use case using Test-Driven Development.

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Source of Truth

docs/TASKS.md
docs/specs/UC-[NNN]-[NAME].md
docs/PROJECT.md

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Test Derivation

Derive tests from the UC.

Acceptance → Integration tests
Domain rules → Unit tests
Use case logic → Unit tests

Locations

tests/integration
tests/unit

Prefer extending existing test files.

Create new files only if necessary.

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Order

1. Integration tests
2. Unit tests
3. Implementation

Follow TDD:

RED → GREEN → REFACTOR

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Commands

Run unit tests

pytest -q tests/unit

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Rules

• Tests before code.

• Keep code minimal.

• Avoid unnecessary comments.

• Prefer updating existing tests and code.

• Respect Clean Architecture

  domain ← application ← interfaces ← infrastructure

• Ask the user if requirements are unclear.

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Output

Implementation complete.

Unit tests pass.

Update:

docs/TASKS.md

Set:

PHASE → 3