Implement according to delta specs
Mark tasks complete as you progress
Run quality gates after each phase

Execution Steps

Step 1: Load Context

Read these files in order:

openspec/project.md - Project conventions
openspec/changes/{change-id}/proposal.md - What and why
openspec/changes/{change-id}/tasks.md - Implementation checklist
openspec/changes/{change-id}/specs/*.md - Delta specifications

Step 2: Verify Prerequisites

Before starting:

git status          # Should be clean or on feature branch
# Run project's lint/analyze command

If not on a feature branch:

git checkout -b feature/{change-id}

Step 3: Execute Tasks Phase by Phase

For each phase in tasks.md:

3.1 Start Phase

Mark the first task as in-progress in your todo list
Read the delta spec for that component

3.2 Implement Task

Follow existing patterns from project's CLAUDE.md
Write code according to delta spec requirements
Include tests for new functionality

3.3 Mark Complete

Update tasks.md: - [ ] → - [x]
Add completion note if significant

3.4 Quality Gate

After completing each phase, run project quality checks:

# Example for Flutter projects:
# make format && make analyze && make run_unit_test

# Example for Node projects:
# npm run lint && npm test

Step 4: Update Progress

After each phase, update tasks.md:

## Phase 1: Foundation (Data Layer)

- [x] 1.1 Create search model ✓ 2024-01-15
- [x] 1.2 Add search to repository ✓ 2024-01-15
- [x] 1.3 Write unit tests ✓ 2024-01-15

**Quality Gate:** PASSED

Step 5: Handle Issues

If you encounter blockers:

Document in tasks.md under the task
Add a ### Blockers section if needed
Ask for clarification before proceeding

- [ ] 1.2 Add search to repository
  - **Blocker:** Unclear if fuzzy search should use DB or in-memory
  - **Options:** A) Database query, B) In-memory filtering
  - **Waiting for:** Decision from user

Step 6: Completion Check

When all tasks are done:

Verify all checkboxes are [x]
Run full quality gate

Update proposal.md status:

**Status:** Implementation Complete
**Completed:** {YYYY-MM-DD}

Step 7: Report Completion

## Implementation Complete: {change-id}

### Summary
- {Brief description of what was implemented}

### Files Changed
- `lib/feature/...` - {description}
- `test/...` - {description}

### Quality Verification
- [x] All tests passing
- [x] Lint/analyze clean
- [x] Documentation updated (if applicable)

### Next Step
Run `/openspec-archive {change-id}` to complete the workflow.

Implementation Rules

Follow Project Conventions

Read and follow project's CLAUDE.md
Use existing patterns and styles
Match naming conventions

Maintain Quality

Write tests as you implement
Handle errors properly with specific exception types
Keep code clean and readable

Stay in Scope

Only implement what's in the delta spec
Don't add "nice to have" features
Flag scope questions before proceeding

Document Changes

Update relevant documentation
Sync localization files if adding strings
Update project docs if introducing new patterns

openspec-apply

OpenSpec: Apply

Usage

What This Skill Does

More from chyiiiiiiiiiiii/openspec-skills

openspec-archive

openspec-proposal