Auto-Pilot: Long-Cycle TDD Coding Workflow Plugin

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Auto-Pilot is a Claude Code plugin designed for long-running tasks. It persists workflow state to the .workflow/ directory, ensuring controllability and traceability of AI execution through a structured state machine, TDD rhythm, and enforced gates.

Installation

claude plugin marketplace add https://github.com/IronRookieCoder/auto-pilot
claude plugin install auto-pilot

Usage

One-Command Run

/auto-pilot:run Implement a TODO app with CRUD and categorization

Execution order:

init → user confirms spec → plan → user confirms plan → execute → verify → completed

Step-by-Step

/auto-pilot:init
# Edit .workflow/spec.md, fill in goals and constraints
python tools/workflow_confirm.py spec

/auto-pilot:plan
# Review .workflow/plan.md, confirm milestone breakdown
python tools/workflow_confirm.py plan

/auto-pilot:execute
/auto-pilot:verify

Standalone Commands

/auto-pilot:verify   # Verify current code quality at any time
/auto-pilot:status   # View workflow progress

Skills

Skill	Command	Description
init	/auto-pilot:init	Initialize .workflow/ directory and project memory
plan	/auto-pilot:plan	Generate milestone plan based on spec.md
execute	/auto-pilot:execute	Execute milestones following TDD rhythm
verify	/auto-pilot:verify	Run lint/typecheck/test/build and write to verify.json
status	/auto-pilot:status	Summarize current workflow state and progress
run	/auto-pilot:run	One-command orchestration: init → plan → execute → verify

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Phase Transitions

init --[spec_approved]--> planning --[plan_approved]--> executing --> verifying --[final_verify=pass]--> completed

TDD Rhythm

Each milestone progresses according to its tdd_type:

• standard (default): Define tests → Confirm RED → Write implementation → Verify GREEN → Pass gate → Mark complete
• setup: Execute scaffolding → Verify environment works → Pass gate (RED evidence optional)
• verification_only: Run verification → Confirm results → Pass gate (RED evidence optional)

When tests fail, only implementation code may be modified — modifying tests to force a "pass" is prohibited.

Interruption Recovery

The workflow supports resuming from saved structured state checkpoints:

• run / execute reads the phase field in workflow.json and continues from the last interrupted phase
• When status=blocked/failed/paused, you must first run python tools/workflow_resume.py
• execute preferentially reads current_milestone_id to resume the current milestone; as long as there are unresolved failed milestones, it will not proceed to the next pending one
• Completed milestones are not re-executed

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Core Design Principles

• Human-facing documents remain in Markdown: spec.md (goals & constraints), plan.md (execution plan)
• Machine-facing state is fully structured: workflow.json, milestones.json, verify.json, events.jsonl
• The spec_approved and plan_approved gates can only be triggered by manual user confirmation
• Only when final_verify_overall=pass is the completed phase allowed
• blocked/failed/paused -> running can only go through workflow_resume.py
• Critical state transitions must pass script validation, not just rely on prompt constraints
• Tracking IDs in spec.md (FR-*/AC-*/IN-*/OUT-*) and spec_refs in milestones.json form bidirectional traceability; lint automatically checks coverage completeness and out-of-scope references

Directory Structure

.workflow/
├── spec.md              # Human review: frozen goals, scope, and constraints
├── plan.md              # Human review: auto-generated from milestones.json
├── workflow.json        # Source of truth: global phase, gates, and verify commands
├── milestones.json      # Source of truth: milestone structure and execution state
├── verify.json          # Source of truth: verification run records
└── events.jsonl         # Source of truth: append-only event stream

Tool Scripts

Script	Purpose
python tools/workflow_init.py	Reads tools/schemas/*.json to generate initialized .workflow/ files
python tools/workflow_lint.py [phase]	Validates schema, phase preconditions, cross-file consistency, and spec-plan coverage completeness; warnings do not block
python tools/workflow_gate.py milestone <id>	Milestone completion gate: checks dependencies, RED evidence, GREEN results, verification records
python tools/plan_sync.py export	Exports milestones.json to plan.md
python tools/plan_sync.py import	Imports plan.md back to milestones.json, including tdd_type/test_files/spec_refs
python tools/workflow_confirm.py spec	User confirms spec.md, workflow advances to planning phase
python tools/workflow_confirm.py plan	User confirms plan.md, runs import + lint, then advances to executing
python tools/workflow_resume.py	Resumes blocked/failed/paused workflow with lint and pre-resume validation

Schema Definitions

The authoritative definitions for structured state files are in tools/schemas/README.md:

• workflow.schema.json
• milestones.schema.json
• verify.schema.json
• event.schema.json

workflow_init.py reads these schemas directly to derive initial JSON, with no need to maintain parallel hardcoded structures.

Protection Hooks

The repository includes hooks/hooks.json, which defines two types of automatic protection:

• PreToolUse (matcher: Write|Edit): Invokes hooks/validate_workflow_write.py

  • Blocks illegal direct writes to .workflow/*.json, events.jsonl, and plan.md
  • spec_approved / plan_approved cannot be written as true by AI during initial creation or subsequent edits
  • plan.md cannot be manually edited — it must be generated via plan_sync.py export

• PostToolUse (matcher: Skill): Invokes hooks/post_skill_lint.py

  • Automatically runs workflow_lint.py after each skill execution completion
  • Blocks further progression if artifacts are inconsistent