117 lines
3.4 KiB
Markdown
117 lines
3.4 KiB
Markdown
---
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name: writing-plans
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description: Use when design is complete and you need detailed implementation tasks for engineers with zero codebase context - creates comprehensive implementation plans with exact file paths, complete code examples, and verification steps assuming engineer has minimal domain knowledge
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---
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# Writing Plans
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## Overview
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Write comprehensive implementation plans assuming the engineer has zero context for our codebase and questionable taste. Document everything they need to know: which files to touch for each task, code, testing, docs they might need to check, how to test it. Give them the whole plan as bite-sized tasks. DRY. YAGNI. TDD. Frequent commits.
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Assume they are a skilled developer, but know almost nothing about our toolset or problem domain. Assume they don't know good test design very well.
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**Announce at start:** "I'm using the writing-plans skill to create the implementation plan."
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**Context:** This should be run in a dedicated worktree (created by brainstorming skill).
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**Save plans to:** `docs/plans/YYYY-MM-DD-<feature-name>.md`
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## Bite-Sized Task Granularity
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**Each step is one action (2-5 minutes):**
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- "Write the failing test" - step
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- "Run it to make sure it fails" - step
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- "Implement the minimal code to make the test pass" - step
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- "Run the tests and make sure they pass" - step
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- "Commit" - step
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## Plan Document Header
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**Every plan MUST start with this header:**
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```markdown
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# [Feature Name] Implementation Plan
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> **For Claude:** REQUIRED SUB-SKILL: Use superpowers:executing-plans to implement this plan task-by-task.
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**Goal:** [One sentence describing what this builds]
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**Architecture:** [2-3 sentences about approach]
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**Tech Stack:** [Key technologies/libraries]
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---
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```
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## Task Structure
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```markdown
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### Task N: [Component Name]
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**Files:**
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- Create: `exact/path/to/file.py`
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- Modify: `exact/path/to/existing.py:123-145`
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- Test: `tests/exact/path/to/test.py`
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**Step 1: Write the failing test**
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```python
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def test_specific_behavior():
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result = function(input)
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assert result == expected
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```
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**Step 2: Run test to verify it fails**
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Run: `pytest tests/path/test.py::test_name -v`
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Expected: FAIL with "function not defined"
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**Step 3: Write minimal implementation**
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```python
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def function(input):
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return expected
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```
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**Step 4: Run test to verify it passes**
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Run: `pytest tests/path/test.py::test_name -v`
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Expected: PASS
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**Step 5: Commit**
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```bash
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git add tests/path/test.py src/path/file.py
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git commit -m "feat: add specific feature"
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```
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```
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## Remember
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- Exact file paths always
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- Complete code in plan (not "add validation")
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- Exact commands with expected output
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- Reference relevant skills with @ syntax
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- DRY, YAGNI, TDD, frequent commits
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## Execution Handoff
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After saving the plan, offer execution choice:
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**"Plan complete and saved to `docs/plans/<filename>.md`. Two execution options:**
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**1. Subagent-Driven (this session)** - I dispatch fresh subagent per task, review between tasks, fast iteration
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**2. Parallel Session (separate)** - Open new session with executing-plans, batch execution with checkpoints
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**Which approach?"**
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**If Subagent-Driven chosen:**
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- **REQUIRED SUB-SKILL:** Use superpowers:subagent-driven-development
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- Stay in this session
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- Fresh subagent per task + code review
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**If Parallel Session chosen:**
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- Guide them to open new session in worktree
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- **REQUIRED SUB-SKILL:** New session uses superpowers:executing-plans
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