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name, description, allowed-tools
name description allowed-tools
workflow-tdd-plan TDD workflow planning with Red-Green-Refactor task chain generation, test-first development structure, cycle tracking, and post-execution compliance verification. Triggers on "workflow:tdd-plan", "workflow:tdd-verify". spawn_agent, wait, send_input, close_agent, AskUserQuestion, Read, Write, Edit, Bash, Glob, Grep

Workflow TDD Plan

6-phase TDD planning workflow that orchestrates session discovery, context gathering, test coverage analysis, conflict resolution, and TDD task generation to produce implementation plans with Red-Green-Refactor cycles. Includes post-execution TDD compliance verification.

Architecture Overview

┌──────────────────────────────────────────────────────────────────┐
│  Workflow TDD Plan Orchestrator (SKILL.md)                       │
│  → Pure coordinator: Execute phases, parse outputs, pass context │
└───────────────┬──────────────────────────────────────────────────┘
                │
   ┌────────────┼────────────┬────────────┬────────────┐
   ↓            ↓            ↓            ↓            ↓
┌────────┐ ┌────────┐ ┌──────────┐ ┌──────────┐ ┌──────────┐
│ Phase 1│ │ Phase 2│ │ Phase 3  │ │ Phase 4  │ │ Phase 5  │
│Session │ │Context │ │Test Covg │ │Conflict  │ │TDD Task  │
│Discover│ │Gather  │ │Analysis  │ │Resolve   │ │Generate  │
│ (ext)  │ │ (ext)  │ │ (local)  │ │(ext,cond)│ │ (local)  │
└────────┘ └────────┘ └──────────┘ └──────────┘ └──────────┘
    ↓           ↓           ↓            ↓            ↓
 sessionId  contextPath  testContext  resolved    IMPL_PLAN.md
            conflict_risk             artifacts   task JSONs

Phase 6: TDD Structure Validation (inline in SKILL.md)

Post-execution verification:
┌──────────────┐     ┌───────────────────┐
│  TDD Verify  │────→│ Coverage Analysis │
│  (local)     │     │ (local)           │
└──────────────┘     └───────────────────┘
phases/03-tdd-        phases/04-tdd-
verify.md             coverage-analysis.md

Key Design Principles

  1. Pure Orchestrator: Execute phases in sequence, parse outputs, pass context between them
  2. Auto-Continue: All phases run autonomously without user intervention between phases
  3. Subagent Lifecycle: Explicit lifecycle management with spawn_agent → wait → close_agent
  4. Progressive Phase Loading: Phase docs are read on-demand, not all at once
  5. Conditional Execution: Phase 4 only executes when conflict_risk >= medium
  6. TDD-First: Every feature starts with a failing test (Red phase)
  7. Role Path Loading: Subagent roles loaded via path reference in MANDATORY FIRST STEPS

CLI Tool Selection: CLI tool usage is determined semantically from user's task description. Include "use Codex/Gemini/Qwen" in your request for CLI execution.

Task Attachment Model:

  • Skill execute expands workflow by attaching sub-tasks to current TodoWrite
  • When executing a sub-command, its internal tasks are attached to the orchestrator's TodoWrite
  • Orchestrator executes these attached tasks sequentially
  • After completion, attached tasks are collapsed back to high-level phase summary
  • This is task expansion, not external delegation

Auto-Continue Mechanism:

  • TodoList tracks current phase status and dynamically manages task attachment/collapse
  • When each phase finishes executing, automatically execute next pending phase
  • All phases run autonomously without user interaction
  • CONTINUOUS EXECUTION - Do not stop until all phases complete

Auto Mode

When --yes or -y: Auto-continue all phases (skip confirmations), use recommended conflict resolutions, skip TDD clarifications.

Subagent API Reference

spawn_agent

Create a new subagent with task assignment.

const agentId = spawn_agent({
  message: `
## TASK ASSIGNMENT

### MANDATORY FIRST STEPS (Agent Execute)
1. **Read role definition**: ~/.codex/agents/{agent-type}.md (MUST read first)
2. Read: .workflow/project-tech.json
3. Read: .workflow/project-guidelines.json

## TASK CONTEXT
${taskContext}

## DELIVERABLES
${deliverables}
`
})

wait

Get results from subagent (only way to retrieve results).

const result = wait({
  ids: [agentId],
  timeout_ms: 600000  // 10 minutes
})

if (result.timed_out) {
  // Handle timeout - can continue waiting or send_input to prompt completion
}

send_input

Continue interaction with active subagent (for clarification or follow-up).

send_input({
  id: agentId,
  message: `
## CLARIFICATION ANSWERS
${answers}

## NEXT STEP
Continue with plan generation.
`
})

close_agent

Clean up subagent resources (irreversible).

close_agent({ id: agentId })

Usage

workflow-tdd-plan <task description>
workflow-tdd-plan [-y|--yes] "<task description>"

# Flags
-y, --yes    Skip all confirmations (auto mode)

# Arguments
<task description>    Task description text, TDD-structured format, or path to .md file

# Examples
workflow-tdd-plan "Build user authentication with tests"              # Simple TDD task
workflow-tdd-plan "Add JWT auth with email/password and token refresh" # Detailed task
workflow-tdd-plan -y "Implement payment processing"                    # Auto mode
workflow-tdd-plan "tdd-requirements.md"                                # From file

TDD Compliance Requirements

The Iron Law

NO PRODUCTION CODE WITHOUT A FAILING TEST FIRST

Enforcement Method:

  • Phase 5: implementation_approach includes test-first steps (Red → Green → Refactor)
  • Green phase: Includes test-fix-cycle configuration (max 3 iterations)
  • Auto-revert: Triggered when max iterations reached without passing tests

Verification: Phase 6 validates Red-Green-Refactor structure in all generated tasks

TDD Compliance Checkpoint

Checkpoint Validation Phase Evidence Required
Test-first structure Phase 5 implementation_approach has 3 steps
Red phase exists Phase 6 Step 1: tdd_phase: "red"
Green phase with test-fix Phase 6 Step 2: tdd_phase: "green" + test-fix-cycle
Refactor phase exists Phase 6 Step 3: tdd_phase: "refactor"

Core TDD Principles

Red Flags - STOP and Reassess:

  • Code written before test
  • Test passes immediately (no Red phase witnessed)
  • Cannot explain why test should fail
  • "Just this once" rationalization
  • "Tests after achieve same goals" thinking

Why Order Matters:

  • Tests written after code pass immediately → proves nothing
  • Test-first forces edge case discovery before implementation
  • Tests-after verify what was built, not what's required

Core Rules

  1. Start Immediately: First action is TodoWrite initialization, second action is execute Phase 1
  2. No Preliminary Analysis: Do not read files before Phase 1
  3. Parse Every Output: Extract required data for next phase
  4. Auto-Continue via TodoList: Check TodoList status to execute next pending phase automatically
  5. Track Progress: Update TodoWrite dynamically with task attachment/collapse pattern
  6. TDD Context: All descriptions include "TDD:" prefix
  7. Task Attachment Model: Skill execute attaches sub-tasks to current workflow. Orchestrator executes these attached tasks itself, then collapses them after completion
  8. CRITICAL: DO NOT STOP: Continuous multi-phase workflow. After executing all attached tasks, immediately collapse them and execute next phase
  9. Explicit Lifecycle: Always close_agent after wait completes to free resources

Execution Flow

Input Parsing:
   └─ Convert user input to TDD-structured format (TDD:/GOAL/SCOPE/CONTEXT/TEST_FOCUS)

Phase 1: Session Discovery
   └─ Ref: workflow-plan-execute/phases/01-session-discovery.md (external)
      └─ Output: sessionId (WFS-xxx)

Phase 2: Context Gathering
   └─ Ref: workflow-plan-execute/phases/02-context-gathering.md (external)
      ├─ Tasks attached: Analyze structure → Identify integration → Generate package
      └─ Output: contextPath + conflict_risk

Phase 3: Test Coverage Analysis                    ← ATTACHED (3 tasks)
   └─ Ref: phases/01-test-context-gather.md
      ├─ Phase 3.1: Detect test framework
      ├─ Phase 3.2: Analyze existing test coverage
      └─ Phase 3.3: Identify coverage gaps
      └─ Output: test-context-package.json           ← COLLAPSED

Phase 4: Conflict Resolution (conditional)
   └─ Decision (conflict_risk check):
      ├─ conflict_risk ≥ medium → Inline conflict resolution (within Phase 2)
      │   ├─ Tasks attached: Detect conflicts → Present to user → Apply strategies
      │   └─ Output: Modified brainstorm artifacts     ← COLLAPSED
      └─ conflict_risk < medium → Skip to Phase 5

Phase 5: TDD Task Generation                       ← ATTACHED (3 tasks)
   └─ Ref: phases/02-task-generate-tdd.md
      ├─ Phase 5.1: Discovery - analyze TDD requirements
      ├─ Phase 5.2: Planning - design Red-Green-Refactor cycles
      └─ Phase 5.3: Output - generate IMPL tasks with internal TDD phases
      └─ Output: IMPL-*.json, IMPL_PLAN.md           ← COLLAPSED

Phase 6: TDD Structure Validation (inline)
   └─ Internal validation + summary returned
   └─ Recommend: plan-verify (external)

Return:
   └─ Summary with recommended next steps

Phase Reference Documents

Local phases (read on-demand when phase executes):

Phase Document Purpose
Phase 3 phases/01-test-context-gather.md Test coverage context gathering via test-context-search-agent
Phase 5 phases/02-task-generate-tdd.md TDD task JSON generation via action-planning-agent

External phases (from workflow-plan-execute skill):

Phase Document Purpose
Phase 1 workflow-plan-execute/phases/01-session-discovery.md Session creation/discovery
Phase 2 workflow-plan-execute/phases/02-context-gathering.md Project context collection + inline conflict resolution

Post-execution verification:

Phase Document Purpose
TDD Verify phases/03-tdd-verify.md TDD compliance verification with quality gate
Coverage Analysis phases/04-tdd-coverage-analysis.md Test coverage and cycle analysis (called by TDD Verify)

6-Phase Execution

Phase 1: Session Discovery

Step 1.1: Execute - Session discovery and initialization

Read and execute: workflow-plan-execute/phases/01-session-discovery.md with --type tdd --auto "TDD: [structured-description]"

TDD Structured Format:

TDD: [Feature Name]
GOAL: [Objective]
SCOPE: [Included/excluded]
CONTEXT: [Background]
TEST_FOCUS: [Test scenarios]

Parse: Extract sessionId

TodoWrite: Mark phase 1 completed, phase 2 in_progress

After Phase 1: Return to user showing Phase 1 results, then auto-continue to Phase 2

Phase 2: Context Gathering

Step 2.1: Execute - Context gathering and analysis

Read and execute: workflow-plan-execute/phases/02-context-gathering.md with --session [sessionId] "TDD: [structured-description]"

Use Same Structured Description: Pass the same structured format from Phase 1

Input: sessionId from Phase 1

Parse Output:

  • Extract: context-package.json path (store as contextPath)
  • Typical pattern: .workflow/active/[sessionId]/.process/context-package.json

Validation:

  • Context package path extracted
  • File exists and is valid JSON

TodoWrite: Mark phase 2 completed, phase 3 in_progress

After Phase 2: Return to user showing Phase 2 results, then auto-continue to Phase 3

Phase 3: Test Coverage Analysis

Step 3.1: Execute - Test coverage analysis and framework detection

Read and execute: phases/01-test-context-gather.md with --session [sessionId]

Purpose: Analyze existing codebase for:

  • Existing test patterns and conventions
  • Current test coverage
  • Related components and integration points
  • Test framework detection

Parse: Extract testContextPath (.workflow/active/[sessionId]/.process/test-context-package.json)

TodoWrite Update (Phase 3 - tasks attached):

[
  {"content": "Phase 1: Session Discovery", "status": "completed", "activeForm": "Executing session discovery"},
  {"content": "Phase 2: Context Gathering", "status": "completed", "activeForm": "Executing context gathering"},
  {"content": "Phase 3: Test Coverage Analysis", "status": "in_progress", "activeForm": "Executing test coverage analysis"},
  {"content": "  → Detect test framework and conventions", "status": "in_progress", "activeForm": "Detecting test framework"},
  {"content": "  → Analyze existing test coverage", "status": "pending", "activeForm": "Analyzing test coverage"},
  {"content": "  → Identify coverage gaps", "status": "pending", "activeForm": "Identifying coverage gaps"},
  {"content": "Phase 5: TDD Task Generation", "status": "pending", "activeForm": "Executing TDD task generation"},
  {"content": "Phase 6: TDD Structure Validation", "status": "pending", "activeForm": "Validating TDD structure"}
]

Note: Skill execute attaches test-context-gather's 3 tasks. Orchestrator executes these tasks.

Next Action: Tasks attached → Execute Phase 3.1-3.3 sequentially

TodoWrite Update (Phase 3 completed - tasks collapsed):

[
  {"content": "Phase 1: Session Discovery", "status": "completed", "activeForm": "Executing session discovery"},
  {"content": "Phase 2: Context Gathering", "status": "completed", "activeForm": "Executing context gathering"},
  {"content": "Phase 3: Test Coverage Analysis", "status": "completed", "activeForm": "Executing test coverage analysis"},
  {"content": "Phase 5: TDD Task Generation", "status": "pending", "activeForm": "Executing TDD task generation"},
  {"content": "Phase 6: TDD Structure Validation", "status": "pending", "activeForm": "Validating TDD structure"}
]

After Phase 3: Return to user showing test coverage results, then auto-continue to Phase 4/5

Phase 4: Conflict Resolution (Optional)

Trigger: Only execute when context-package.json indicates conflict_risk is "medium" or "high"

Step 4.1: Execute - Conflict detection and resolution

Conflict resolution is handled inline within Phase 2 (context-gathering). When conflict_risk >= medium, Phase 2 automatically performs detection and resolution.

Input:

  • sessionId from Phase 1
  • contextPath from Phase 2
  • conflict_risk from context-package.json

Parse Output:

  • Extract: Execution status (success/skipped/failed)
  • Verify: conflict-resolution.json file path (if executed)

Skip Behavior:

  • If conflict_risk is "none" or "low", skip directly to Phase 5
  • Display: "No significant conflicts detected, proceeding to TDD task generation"

TodoWrite Update (Phase 4 - tasks attached, if conflict_risk >= medium):

[
  {"content": "Phase 1: Session Discovery", "status": "completed", "activeForm": "Executing session discovery"},
  {"content": "Phase 2: Context Gathering", "status": "completed", "activeForm": "Executing context gathering"},
  {"content": "Phase 3: Test Coverage Analysis", "status": "completed", "activeForm": "Executing test coverage analysis"},
  {"content": "Phase 4: Conflict Resolution", "status": "in_progress", "activeForm": "Executing conflict resolution"},
  {"content": "  → Detect conflicts with CLI analysis", "status": "in_progress", "activeForm": "Detecting conflicts"},
  {"content": "  → Log and analyze detected conflicts", "status": "pending", "activeForm": "Analyzing conflicts"},
  {"content": "  → Apply resolution strategies", "status": "pending", "activeForm": "Applying resolution strategies"},
  {"content": "Phase 5: TDD Task Generation", "status": "pending", "activeForm": "Executing TDD task generation"},
  {"content": "Phase 6: TDD Structure Validation", "status": "pending", "activeForm": "Validating TDD structure"}
]

TodoWrite Update (Phase 4 completed - tasks collapsed):

[
  {"content": "Phase 1: Session Discovery", "status": "completed", "activeForm": "Executing session discovery"},
  {"content": "Phase 2: Context Gathering", "status": "completed", "activeForm": "Executing context gathering"},
  {"content": "Phase 3: Test Coverage Analysis", "status": "completed", "activeForm": "Executing test coverage analysis"},
  {"content": "Phase 4: Conflict Resolution", "status": "completed", "activeForm": "Executing conflict resolution"},
  {"content": "Phase 5: TDD Task Generation", "status": "pending", "activeForm": "Executing TDD task generation"},
  {"content": "Phase 6: TDD Structure Validation", "status": "pending", "activeForm": "Validating TDD structure"}
]

After Phase 4: Return to user showing conflict resolution results, then auto-continue to Phase 5

Memory State Check:

  • Evaluate current context window usage and memory state

  • If memory usage is high (>110K tokens or approaching context limits):

    Step 4.5: Execute - Memory compaction (external skill: compact)

    • This optimizes memory before proceeding to Phase 5

  • Memory compaction is particularly important after analysis phase which may generate extensive documentation

Phase 5: TDD Task Generation

Step 5.1: Execute - TDD task generation via action-planning-agent with Phase 0 user configuration

Read and execute: phases/02-task-generate-tdd.md with --session [sessionId]

Note: Phase 0 now includes:

  • Supplementary materials collection (file paths or inline content)
  • Execution method preference (Agent/Hybrid/CLI)
  • CLI tool preference (Codex/Gemini/Qwen/Auto)
  • These preferences are passed to agent for task generation

Parse: Extract feature count, task count, CLI execution IDs assigned

Validate:

  • IMPL_PLAN.md exists (unified plan with TDD Implementation Tasks section)
  • IMPL-*.json files exist (one per feature, or container + subtasks for complex features)
  • TODO_LIST.md exists with internal TDD phase indicators
  • Each IMPL task includes:
    • meta.tdd_workflow: true
    • meta.cli_execution_id: {session_id}-{task_id}
    • meta.cli_execution: { "strategy": "new|resume|fork|merge_fork", ... }
    • flow_control.implementation_approach with exactly 3 steps (red/green/refactor)
    • Green phase includes test-fix-cycle configuration
    • context.focus_paths: absolute or clear relative paths
    • flow_control.pre_analysis: includes exploration integration_points analysis
  • IMPL_PLAN.md contains workflow_type: "tdd" in frontmatter
  • Task count <=18 (compliance with hard limit)

Red Flag Detection (Non-Blocking Warnings):

  • Task count >18: Warning: Task count exceeds hard limit - request re-scope
  • Missing cli_execution_id: Warning: Task lacks CLI execution ID for resume support
  • Missing test-fix-cycle: Warning: Green phase lacks auto-revert configuration
  • Generic task names: Warning: Vague task names suggest unclear TDD cycles
  • Missing focus_paths: Warning: Task lacks clear file scope for implementation

Action: Log warnings to .workflow/active/[sessionId]/.process/tdd-warnings.log (non-blocking)

TodoWrite Update (Phase 5 - tasks attached):

[
  {"content": "Phase 1: Session Discovery", "status": "completed", "activeForm": "Executing session discovery"},
  {"content": "Phase 2: Context Gathering", "status": "completed", "activeForm": "Executing context gathering"},
  {"content": "Phase 3: Test Coverage Analysis", "status": "completed", "activeForm": "Executing test coverage analysis"},
  {"content": "Phase 5: TDD Task Generation", "status": "in_progress", "activeForm": "Executing TDD task generation"},
  {"content": "  → Discovery - analyze TDD requirements", "status": "in_progress", "activeForm": "Analyzing TDD requirements"},
  {"content": "  → Planning - design Red-Green-Refactor cycles", "status": "pending", "activeForm": "Designing TDD cycles"},
  {"content": "  → Output - generate IMPL tasks with internal TDD phases", "status": "pending", "activeForm": "Generating TDD tasks"},
  {"content": "Phase 6: TDD Structure Validation", "status": "pending", "activeForm": "Validating TDD structure"}
]

TodoWrite Update (Phase 5 completed - tasks collapsed):

[
  {"content": "Phase 1: Session Discovery", "status": "completed", "activeForm": "Executing session discovery"},
  {"content": "Phase 2: Context Gathering", "status": "completed", "activeForm": "Executing context gathering"},
  {"content": "Phase 3: Test Coverage Analysis", "status": "completed", "activeForm": "Executing test coverage analysis"},
  {"content": "Phase 5: TDD Task Generation", "status": "completed", "activeForm": "Executing TDD task generation"},
  {"content": "Phase 6: TDD Structure Validation", "status": "in_progress", "activeForm": "Validating TDD structure"}
]

Phase 6: TDD Structure Validation & Action Plan Verification (RECOMMENDED)

Internal validation first, then recommend external verification

Internal Validation:

  1. Each task contains complete TDD workflow (Red-Green-Refactor internally)
  2. Task structure validation:
    • meta.tdd_workflow: true in all IMPL tasks
    • meta.cli_execution_id present (format: {session_id}-{task_id})
    • meta.cli_execution strategy assigned (new/resume/fork/merge_fork)
    • flow_control.implementation_approach has exactly 3 steps
    • Each step has correct tdd_phase: "red", "green", "refactor"
    • context.focus_paths are absolute or clear relative paths
    • flow_control.pre_analysis includes exploration integration analysis
  3. Dependency validation:
    • Sequential features: IMPL-N depends_on ["IMPL-(N-1)"] if needed
    • Complex features: IMPL-N.M depends_on ["IMPL-N.(M-1)"] for subtasks
    • CLI execution strategies correctly assigned based on dependency graph
  4. Agent assignment: All IMPL tasks use @code-developer
  5. Test-fix cycle: Green phase step includes test-fix-cycle logic with max_iterations
  6. Task count: Total tasks <=18 (simple + subtasks hard limit)
  7. User configuration:
    • Execution method choice reflected in task structure
    • CLI tool preference documented in implementation guidance (if CLI selected)

Red Flag Checklist (from TDD best practices):

  • No tasks skip Red phase (tdd_phase: "red" exists in step 1)
  • Test files referenced in Red phase (explicit paths, not placeholders)
  • Green phase has test-fix-cycle with max_iterations configured
  • Refactor phase has clear completion criteria

Non-Compliance Warning Format:

Warning TDD Red Flag: [issue description]
   Task: [IMPL-N]
   Recommendation: [action to fix]

Evidence Gathering (Before Completion Claims):

# Verify session artifacts exist
ls -la .workflow/active/[sessionId]/{IMPL_PLAN.md,TODO_LIST.md}
ls -la .workflow/active/[sessionId]/.task/IMPL-*.json

# Count generated artifacts
echo "IMPL tasks: $(ls .workflow/active/[sessionId]/.task/IMPL-*.json 2>/dev/null | wc -l)"

# Sample task structure verification (first task)
jq '{id, tdd: .meta.tdd_workflow, cli_id: .meta.cli_execution_id, phases: [.flow_control.implementation_approach[].tdd_phase]}' \
  "$(ls .workflow/active/[sessionId]/.task/IMPL-*.json | head -1)"

Evidence Required Before Summary:

Evidence Type Verification Method Pass Criteria
File existence ls -la artifacts All files present
Task count Count IMPL-*.json Count matches claims (<=18)
TDD structure jq sample extraction Shows red/green/refactor + cli_execution_id
CLI execution IDs jq extraction All tasks have cli_execution_id assigned
Warning log Check tdd-warnings.log Logged (may be empty)

Return Summary:

TDD Planning complete for session: [sessionId]

Features analyzed: [N]
Total tasks: [M] (1 task per simple feature + subtasks for complex features)

Task breakdown:
- Simple features: [K] tasks (IMPL-1 to IMPL-K)
- Complex features: [L] features with [P] subtasks
- Total task count: [M] (within 18-task hard limit)

Structure:
- IMPL-1: {Feature 1 Name} (Internal: Red → Green → Refactor)
- IMPL-2: {Feature 2 Name} (Internal: Red → Green → Refactor)
- IMPL-3: {Complex Feature} (Container)
  - IMPL-3.1: {Sub-feature A} (Internal: Red → Green → Refactor)
  - IMPL-3.2: {Sub-feature B} (Internal: Red → Green → Refactor)
[...]

Plans generated:
- Unified Implementation Plan: .workflow/active/[sessionId]/IMPL_PLAN.md
  (includes TDD Implementation Tasks section with workflow_type: "tdd")
- Task List: .workflow/active/[sessionId]/TODO_LIST.md
  (with internal TDD phase indicators and CLI execution strategies)
- Task JSONs: .workflow/active/[sessionId]/.task/IMPL-*.json
  (with cli_execution_id and execution strategies for resume support)

TDD Configuration:
- Each task contains complete Red-Green-Refactor cycle
- Green phase includes test-fix cycle (max 3 iterations)
- Auto-revert on max iterations reached
- CLI execution strategies: new/resume/fork/merge_fork based on dependency graph

User Configuration Applied:
- Execution Method: [agent|hybrid|cli]
- CLI Tool Preference: [codex|gemini|qwen|auto]
- Supplementary Materials: [included|none]
- Task generation follows cli-tools-usage.md guidelines

ACTION REQUIRED: Before execution, ensure you understand WHY each Red phase test is expected to fail.
   This is crucial for valid TDD - if you don't know why the test fails, you can't verify it tests the right thing.

Recommended Next Steps:
1. plan-verify (external) --session [sessionId]  # Verify TDD plan quality and dependencies
2. workflow:execute (external) --session [sessionId]  # Start TDD execution with CLI strategies
3. phases/03-tdd-verify.md [sessionId]  # Post-execution TDD compliance check

Quality Gate: Consider running plan-verify to validate TDD task structure, dependencies, and CLI execution strategies

Input Processing

Convert user input to TDD-structured format:

Simple text → Add TDD context Detailed text → Extract components with TEST_FOCUS File/Issue → Read and structure with TDD

Data Flow

User Input (task description)
    ↓
[Convert to TDD Structured Format]
    ↓ TDD Structured Description:
    ↓   TDD: [Feature Name]
    ↓   GOAL: [objective]
    ↓   SCOPE: [boundaries]
    ↓   CONTEXT: [background]
    ↓   TEST_FOCUS: [test scenarios]
    ↓
Phase 1: session:start --type tdd --auto "TDD: structured-description"
    ↓ Output: sessionId
    ↓
Phase 2: context-gather --session sessionId "TDD: structured-description"
    ↓ Output: contextPath + conflict_risk
    ↓
Phase 3: test-context-gather --session sessionId
    ↓ Output: testContextPath (test-context-package.json)
    ↓
Phase 4: conflict-resolution [AUTO-TRIGGERED if conflict_risk >= medium]
    ↓ Output: Modified brainstorm artifacts
    ↓ Skip if conflict_risk is none/low → proceed directly to Phase 5
    ↓
Phase 5: task-generate-tdd --session sessionId
    ↓ Output: IMPL_PLAN.md, task JSONs, TODO_LIST.md
    ↓
Phase 6: Internal validation + summary
    ↓
Return summary to user

TodoWrite Pattern

Core Concept: Dynamic task attachment and collapse for TDD workflow with test coverage analysis and Red-Green-Refactor cycle generation.

Key Principles

  1. Task Attachment (when Skill executed):

    • Sub-command's internal tasks are attached to orchestrator's TodoWrite
    • First attached task marked as in_progress, others as pending
    • Orchestrator executes these attached tasks sequentially

  2. Task Collapse (after sub-tasks complete):

    • Remove detailed sub-tasks from TodoWrite
    • Collapse to high-level phase summary
    • Maintains clean orchestrator-level view

  3. Continuous Execution:

    • After collapse, automatically proceed to next pending phase
    • No user intervention required between phases
    • TodoWrite dynamically reflects current execution state

Lifecycle Summary: Initial pending tasks → Phase executed (tasks ATTACHED) → Sub-tasks executed sequentially → Phase completed (tasks COLLAPSED to summary) → Next phase begins (conditional Phase 4 if conflict_risk >= medium) → Repeat until all phases complete.

TDD-Specific Features

  • Phase 3: Test coverage analysis detects existing patterns and gaps
  • Phase 5: Generated IMPL tasks contain internal Red-Green-Refactor cycles
  • Conditional Phase 4: Conflict resolution only if conflict_risk >= medium

Note: See individual Phase descriptions (Phase 3, 4, 5) for detailed TodoWrite Update examples with full JSON structures.

Execution Flow Diagram

TDD Workflow Orchestrator
│
├─ Phase 1: Session Discovery
│  └─ workflow-plan-execute/phases/01-session-discovery.md --auto
│     └─ Returns: sessionId
│
├─ Phase 2: Context Gathering
│  └─ workflow-plan-execute/phases/02-context-gathering.md
│     └─ Returns: context-package.json path
│
├─ Phase 3: Test Coverage Analysis                    ← ATTACHED (3 tasks)
│  └─ phases/01-test-context-gather.md
│     ├─ Phase 3.1: Detect test framework
│     ├─ Phase 3.2: Analyze existing test coverage
│     └─ Phase 3.3: Identify coverage gaps
│     └─ Returns: test-context-package.json           ← COLLAPSED
│
├─ Phase 4: Conflict Resolution (conditional)
│  IF conflict_risk >= medium:
│  └─ Inline within Phase 2 context-gathering          ← ATTACHED (3 tasks)
│     ├─ Phase 4.1: Detect conflicts with CLI
│     ├─ Phase 4.2: Log and analyze detected conflicts
│     └─ Phase 4.3: Apply resolution strategies
│     └─ Returns: conflict-resolution.json            ← COLLAPSED
│  ELSE:
│  └─ Skip to Phase 5
│
├─ Phase 5: TDD Task Generation                       ← ATTACHED (3 tasks)
│  └─ phases/02-task-generate-tdd.md
│     ├─ Phase 5.1: Discovery - analyze TDD requirements
│     ├─ Phase 5.2: Planning - design Red-Green-Refactor cycles
│     └─ Phase 5.3: Output - generate IMPL tasks with internal TDD phases
│     └─ Returns: IMPL-*.json, IMPL_PLAN.md           ← COLLAPSED
│        (Each IMPL task contains internal Red-Green-Refactor cycle)
│
└─ Phase 6: TDD Structure Validation
   └─ Internal validation + summary returned
   └─ Recommend: plan-verify (external)

Key Points:
• ← ATTACHED: Sub-tasks attached to orchestrator TodoWrite
• ← COLLAPSED: Sub-tasks executed and collapsed to phase summary
• TDD-specific: Each generated IMPL task contains complete Red-Green-Refactor cycle

Error Handling

  • Parsing failure: Retry once, then report
  • Validation failure: Report missing/invalid data
  • Command failure: Keep phase in_progress, report error
  • TDD validation failure: Report incomplete chains or wrong dependencies
  • Subagent timeout: Retry wait or send_input to prompt completion, then close_agent

TDD Warning Patterns

Pattern Warning Message Recommended Action
Task count >10 High task count detected Consider splitting into multiple sessions
Missing test-fix-cycle Green phase lacks auto-revert Add max_iterations: 3 to task config
Red phase missing test path Test file path not specified Add explicit test file paths
Generic task names Vague names like "Add feature" Use specific behavior descriptions
No refactor criteria Refactor phase lacks completion criteria Define clear refactor scope

Non-Blocking Warning Policy

All warnings are advisory - they do not halt execution:

  1. Warnings logged to .process/tdd-warnings.log
  2. Summary displayed in Phase 6 output
  3. User decides whether to address before execution

Error Handling Quick Reference

Error Type Detection Recovery Action
Parsing failure Empty/malformed output Retry once, then report
Missing context-package File read error Re-run context-gather (workflow-plan-execute/phases/02-context-gathering.md)
Invalid task JSON jq parse error Report malformed file path
Task count exceeds 18 Count validation >=19 Request re-scope, split into multiple sessions
Missing cli_execution_id All tasks lack ID Regenerate tasks with phase 0 user config
Test-context missing File not found Re-run phases/01-test-context-gather.md
Phase timeout No response Retry phase, check CLI connectivity
CLI tool not available Tool not in cli-tools.json Fall back to alternative preferred tool
Subagent unresponsive wait timed_out send_input to prompt, or close_agent and spawn new

Post-Execution: TDD Verification

After TDD tasks have been executed (via workflow:execute), run TDD compliance verification:

Read and execute: phases/03-tdd-verify.md with --session [sessionId]

This generates a comprehensive TDD_COMPLIANCE_REPORT.md with quality gate recommendation.

Related Skills

Prerequisite:

  • None - TDD planning is self-contained (can optionally run brainstorm before)

Called by This Skill (6 phases):

  • workflow-plan-execute/phases/01-session-discovery.md - Phase 1: Create or discover TDD workflow session
  • workflow-plan-execute/phases/02-context-gathering.md - Phase 2: Gather project context and analyze codebase
  • phases/01-test-context-gather.md - Phase 3: Analyze existing test patterns and coverage
  • Inline conflict resolution within Phase 2 - Phase 4: Detect and resolve conflicts (conditional)
  • compact (external skill) - Phase 4.5: Memory optimization (if context approaching limits)
  • phases/02-task-generate-tdd.md - Phase 5: Generate TDD tasks

Follow-up:

  • plan-verify (external) - Recommended: Verify TDD plan quality and structure before execution
  • workflow:status (external) - Review TDD task breakdown
  • workflow:execute (external) - Begin TDD implementation
  • phases/03-tdd-verify.md - Post-execution: Verify TDD compliance and generate quality report

Next Steps Decision Table

Situation Recommended Action Purpose
First time planning Run plan-verify (external) Validate task structure before execution
Warnings in tdd-warnings.log Review log, refine tasks Address Red Flags before proceeding
High task count warning Consider new session Split into focused sub-sessions
Ready to implement Run workflow:execute (external) Begin TDD Red-Green-Refactor cycles
After implementation Run phases/03-tdd-verify.md Generate TDD compliance report
Need to review tasks Run workflow:status (external) Inspect current task breakdown

TDD Workflow State Transitions

workflow-tdd-plan (this skill)
        ↓
[Planning Complete] ──→ plan-verify (external, recommended)
        ↓
[Verified/Ready] ─────→ workflow:execute (external)
        ↓
[Implementation] ─────→ phases/03-tdd-verify.md (post-execution)
        ↓
[Quality Report] ─────→ Done or iterate
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