takt/builtins/en/instructions/implement.md

Implement according to the plan. Refer only to files within the Report Directory shown in the Piece Context. Do not search or reference other report directories.

Important: Add unit tests alongside the implementation.

• Add unit tests for newly created classes and functions
• Update relevant tests when modifying existing code
• Test file placement: follow the project's conventions
• Running tests is mandatory. After completing implementation, always run tests and verify results

Scope output contract (create at the start of implementation):

# Change Scope Declaration

## Task
{One-line task summary}

## Planned changes
| Type | File |
|------|------|
| Create | `src/example.ts` |
| Modify | `src/routes.ts` |

## Estimated size
Small / Medium / Large

## Impact area
- {Affected modules or features}

Decisions output contract (at implementation completion, only if decisions were made):

# Decision Log

## 1. {Decision}
- **Context**: {Why the decision was needed}
- **Options considered**: {List of options}
- **Rationale**: {Reason for the choice}

Required output (include headings)

Work results

• {Summary of actions taken}

Changes made

• {Summary of changes}

Test results

• {Command executed and results}