Add new skills and utilities for enhanced writing and testing
- Introduced graphviz conventions for visualizing process flows in writing skills. - Added a comprehensive guide on persuasion principles to improve skill design effectiveness. - Implemented a script to render graphviz diagrams from markdown files to SVG format. - Created a detailed reference for testing skills with subagents, emphasizing TDD principles. - Established a task tracker template for live task management. - Developed a shell script to check the integrity of the antigravity profile and required files. - Added test scripts to validate the initialization of agent projects. - Created workflows for brainstorming, executing plans, and writing plans to streamline processes.
This commit is contained in:
spaceman1412
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templates/.agent/skills/single-flow-task-execution/SKILL.md
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templates/.agent/skills/single-flow-task-execution/SKILL.md
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---
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name: single-flow-task-execution
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description: Use when executing implementation plans, handling multiple independent tasks, or doing structured task-by-task development with review gates in Antigravity.
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---
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# Single-Flow Task Execution
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Execute plans by working through one task at a time with two-stage review after each: spec compliance review first, then code quality review.
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**Core principle:** One task at a time + two-stage review (spec then quality) = high quality, disciplined iteration.
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## Antigravity Execution Model
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Antigravity does NOT support parallel coding subagents. All work happens in a single execution thread.
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**Rules:**
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1. **One active task only** — never work on multiple tasks simultaneously.
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2. **One execution thread only** — no parallel dispatch.
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3. **No parallel coding subagents** — Antigravity does not have `Task(...)`.
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4. **Browser automation** may use `browser_subagent` in isolated steps.
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5. **Track progress** by updating `<project-root>/docs/plans/task.md` at each state change (table-only tracker).
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6. **Use `task_boundary`** to clearly delineate each unit of work.
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## When to Use
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```dot
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digraph when_to_use {
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"Have implementation plan?" [shape=diamond];
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"Tasks mostly independent?" [shape=diamond];
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"Multiple problems to solve?" [shape=diamond];
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"single-flow-task-execution" [shape=box];
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"executing-plans" [shape=box];
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"Manual execution or brainstorm first" [shape=box];
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"Have implementation plan?" -> "Tasks mostly independent?" [label="yes"];
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"Have implementation plan?" -> "Manual execution or brainstorm first" [label="no"];
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"Tasks mostly independent?" -> "single-flow-task-execution" [label="yes"];
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"Tasks mostly independent?" -> "Manual execution or brainstorm first" [label="no - tightly coupled"];
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"Multiple problems to solve?" -> "single-flow-task-execution" [label="yes - work through them sequentially"];
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"Multiple problems to solve?" -> "Manual execution or brainstorm first" [label="no - single task"];
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}
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```
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**Use when:**
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- You have an implementation plan with multiple independent tasks
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- 2+ test files failing with different root causes (work through them one at a time)
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- Multiple subsystems broken independently
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- Each problem can be understood without context from others
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- Structured execution with quality gates is needed
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**Don't use when:**
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- Failures are related (fix one might fix others) — investigate together first
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- Tasks are tightly coupled and need full system understanding
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- Single simple task that doesn't need review structure
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**vs. Executing Plans (worktree-based):**
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- Same session (no context switch)
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- Fresh `task_boundary` per task (clean scope)
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- Two-stage review after each task: spec compliance first, then code quality
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- Faster iteration (no human-in-loop between tasks)
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## The Process
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```dot
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digraph process {
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rankdir=TB;
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subgraph cluster_per_task {
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label="Per Task";
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"Execute implementation (./implementer-prompt.md)" [shape=box];
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"Questions about requirements?" [shape=diamond];
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"Answer questions, provide context" [shape=box];
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"Implement, test, commit, self-review" [shape=box];
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"Run spec compliance review (./spec-reviewer-prompt.md)" [shape=box];
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"Spec confirms code matches spec?" [shape=diamond];
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"Fix spec gaps" [shape=box];
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"Run code quality review (./code-quality-reviewer-prompt.md)" [shape=box];
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"Code quality approved?" [shape=diamond];
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"Fix quality issues" [shape=box];
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"Mark task complete in docs/plans/task.md" [shape=box];
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}
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"Read plan, extract all tasks with full text, note context" [shape=box];
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"More tasks remain?" [shape=diamond];
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"Run final code review for entire implementation" [shape=box];
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"Use finishing-a-development-branch skill" [shape=box style=filled fillcolor=lightgreen];
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"Read plan, extract all tasks with full text, note context" -> "Execute implementation (./implementer-prompt.md)";
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"Execute implementation (./implementer-prompt.md)" -> "Questions about requirements?";
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"Questions about requirements?" -> "Answer questions, provide context" [label="yes"];
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"Answer questions, provide context" -> "Execute implementation (./implementer-prompt.md)";
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"Questions about requirements?" -> "Implement, test, commit, self-review" [label="no"];
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"Implement, test, commit, self-review" -> "Run spec compliance review (./spec-reviewer-prompt.md)";
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"Run spec compliance review (./spec-reviewer-prompt.md)" -> "Spec confirms code matches spec?";
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"Spec confirms code matches spec?" -> "Fix spec gaps" [label="no"];
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"Fix spec gaps" -> "Run spec compliance review (./spec-reviewer-prompt.md)" [label="re-review"];
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"Spec confirms code matches spec?" -> "Run code quality review (./code-quality-reviewer-prompt.md)" [label="yes"];
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"Run code quality review (./code-quality-reviewer-prompt.md)" -> "Code quality approved?";
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"Code quality approved?" -> "Fix quality issues" [label="no"];
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"Fix quality issues" -> "Run code quality review (./code-quality-reviewer-prompt.md)" [label="re-review"];
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"Code quality approved?" -> "Mark task complete in docs/plans/task.md" [label="yes"];
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"Mark task complete in docs/plans/task.md" -> "More tasks remain?";
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"More tasks remain?" -> "Execute implementation (./implementer-prompt.md)" [label="yes"];
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"More tasks remain?" -> "Run final code review for entire implementation" [label="no"];
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"Run final code review for entire implementation" -> "Use finishing-a-development-branch skill";
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}
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```
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## Task Decomposition
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When facing multiple problems (e.g., 5 test failures across 3 files):
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### 1. Identify Independent Domains
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Group failures by what's broken:
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- File A tests: User authentication flow
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- File B tests: Data validation logic
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- File C tests: API response handling
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Each domain is independent — fixing authentication doesn't affect validation tests.
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### 2. Create Task Units
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Each task gets:
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- **Specific scope:** One test file or subsystem
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- **Clear goal:** Make these tests pass / implement this feature
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- **Constraints:** Don't change unrelated code
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- **Expected output:** Summary of what changed and verification results
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### 3. Execute Sequentially with Review
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Work through each task one at a time using the full review cycle.
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### 4. Review and Integrate
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After all tasks:
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- Run full test suite to verify no regressions
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- Check for conflicts between task changes
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- Run final code review on entire implementation
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## Task Brief Structure
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For each task, prepare:
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```
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task_boundary:
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description: "Implement Task N: [task name]"
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prompt: |
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## Task Description
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[FULL TEXT of task from plan — paste it here]
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## Context
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[Where this fits, dependencies, architectural context]
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## Constraints
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- Only modify [specific files/directories]
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- Follow existing patterns in the codebase
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- Write tests for new functionality
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## Verification
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- Run: [specific test command]
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- Expected: [what success looks like]
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```
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**Key:** Provide full task text and context upfront. Don't make the task boundary re-read the plan file.
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## Review Templates
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This skill includes prompt templates for structured reviews:
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- **`./implementer-prompt.md`** — Template for implementation task boundaries
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- **`./spec-reviewer-prompt.md`** — Template for spec compliance review (did we build what was requested?)
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- **`./code-quality-reviewer-prompt.md`** — Template for code quality review (is it well-built?)
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**Review order matters:** Always run spec compliance FIRST, then code quality. There's no point reviewing code quality if the implementation doesn't match the spec.
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## Checkpoint Pattern
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At logical boundaries (after each task, at major milestones), report:
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- **What changed** — files modified, features implemented
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- **What verification ran** — test results, lint results
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- **What remains** — remaining tasks, known issues
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Update `docs/plans/task.md` with current status.
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## Common Mistakes
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**Task scoping:**
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- **Bad:** "Fix all the tests" — loses focus
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- **Good:** "Fix user-auth.test.ts failures" — clear scope
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**Context:**
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- **Bad:** "Fix the validation bug" — unclear where
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- **Good:** Paste error messages, test names, relevant code paths
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**Constraints:**
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- **Bad:** No constraints — task might refactor everything
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- **Good:** "Only modify src/auth/ directory"
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**Output:**
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- **Bad:** "Fix it" — no visibility into what changed
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- **Good:** "Report: root cause, changes made, test results"
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**Reviews:**
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- **Bad:** "It works, move on" — quality debt
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- **Good:** Implement then spec review then quality review then next task
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## Example Workflow
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```
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You: I'm using single-flow-task-execution to execute this plan.
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[Read plan file: docs/plans/feature-plan.md]
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[Extract all 5 tasks with full text and context]
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[Update docs/plans/task.md with all tasks as 'not_started']
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--- Task 1: Hook installation script ---
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[Prepare task brief with full text + context]
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[Execute implementation following ./implementer-prompt.md structure]
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Questions: "Should the hook be installed at user or system level?"
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Answer: "User level (~/.config/superpowers/hooks/)"
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Implementation:
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- Implemented install-hook command
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- Added tests, 5/5 passing
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- Self-review: Found I missed --force flag, added it
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- Committed
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[Run spec compliance review following ./spec-reviewer-prompt.md]
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Spec review: Spec compliant — all requirements met, nothing extra
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[Run code quality review following ./code-quality-reviewer-prompt.md]
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Code review: Strengths: Good test coverage, clean. Issues: None. Approved.
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[Mark Task 1 complete in docs/plans/task.md]
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--- Task 2: Recovery modes ---
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[Prepare task brief with full text + context]
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[Execute implementation]
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Implementation:
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- Added verify/repair modes
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- 8/8 tests passing
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- Self-review: All good
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- Committed
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[Run spec compliance review]
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Spec review: Issues found:
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- Missing: Progress reporting (spec says "report every 100 items")
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- Extra: Added --json flag (not requested)
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[Fix issues: remove --json flag, add progress reporting]
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[Run spec compliance review again]
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Spec review: Spec compliant now
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[Run code quality review]
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Code review: Issue (Important): Magic number (100) should be a constant
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[Fix: extract PROGRESS_INTERVAL constant]
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[Run code quality review again]
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Code review: Approved
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[Mark Task 2 complete in docs/plans/task.md]
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... [Continue through remaining tasks] ...
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[After all tasks complete]
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[Run final code review on entire implementation]
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Final review: All requirements met, ready to merge
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[Use finishing-a-development-branch skill]
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Done!
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```
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## Red Flags
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**Never:**
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- Start implementation on main/master branch without explicit user consent
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- Skip reviews (spec compliance OR code quality)
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- Proceed with unfixed review issues
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- Work on multiple tasks simultaneously
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- Skip scene-setting context (task needs to understand where it fits)
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- Accept "close enough" on spec compliance (reviewer found issues = not done)
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- Skip review loops (reviewer found issues = fix = review again)
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- Let self-review replace actual review (both are needed)
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- **Start code quality review before spec compliance passes** (wrong order)
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- Move to next task while either review has open issues
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**If you have questions about requirements:**
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- Ask clearly and wait for answers
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- Don't guess or make assumptions
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- Better to ask upfront than rework later
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**If reviewer finds issues:**
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- Fix them
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- Run reviewer again
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- Repeat until approved
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- Don't skip the re-review
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## Completion
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Before claiming all work is done:
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1. Ensure all task entries in `docs/plans/task.md` are `done` or `cancelled`
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2. Run full test/validation command
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3. Verify no regressions across all tasks
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4. Summarize evidence (test output, review approvals)
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## Advantages
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**Structured execution:**
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- Clear task boundaries prevent scope creep
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- Review gates catch issues early (cheaper than debugging later)
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- Progress tracking provides visibility
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**Quality gates:**
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- Self-review catches obvious issues before handoff
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- Two-stage review: spec compliance prevents over/under-building, code quality ensures maintainability
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- Review loops ensure fixes actually work
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**Efficiency:**
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- Provide full task text upfront (no re-reading plan files)
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- Controller curates exactly what context is needed
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- Questions surfaced before work begins (not after)
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- Sequential execution avoids conflicts between tasks
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## Integration
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**Required workflow skills:**
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- **using-git-worktrees** — Set up isolated workspace before starting
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- **writing-plans** — Creates the plan this skill executes
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- **requesting-code-review** — Code review template for quality reviews
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- **finishing-a-development-branch** — Complete development after all tasks
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**Should also use:**
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- **test-driven-development** — Follow TDD for each task
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- **verification-before-completion** — Final verification checklist
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**Alternative workflow:**
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- **executing-plans** — Use for worktree-based parallel session execution
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Block a user