Aaronbassett Aaronbassett Marketplace Orchestrator

Orchestrator Workflow

Coordinate multiple subagents working in parallel on isolated worktrees.

Architecture

Orchestrator (main worktree)
├── Manages feature branch
├── Creates/assigns worktrees
├── Monitors progress
├── Merges work
└── Handles cleanup

Subagent 1 (worktree-1)     Subagent 2 (worktree-2)     Subagent 3 (worktree-3)
├── Works on auth           ├── Works on API             ├── Works on UI
└── Commits to branch       └── Commits to branch        └── Commits to branch

Risk Assessment

CRITICAL: Before parallelizing, evaluate task independence.

Questions to Ask

• Do tasks modify any of the same files?
• Are there shared configuration dependencies?
• Do tasks extend the same interfaces/types?
• Is there a temporal dependency?

Red Flags for Serialization

Good Decomposition

• Each task modifies distinct files/directories
• Minimal dependencies between tasks
• Clear interfaces between components
• Testable in isolation

Agent Roles

Orchestrator (You)

• Architect: Decomposes feature into independent tasks
• Coordinator: Creates worktrees and assigns tasks
• Monitor: Tracks progress and detects conflicts early
• Integrator: Merges work in correct order
• Cleaner: Removes worktrees and branches

Subagents (Task tool spawned)

• Builder: Implements assigned scope only
• Tester: Writes and runs tests for their component
• Documenter: Adds relevant documentation
• Reporter: Notifies completion with clear status

Procedure

Phase 1: Setup

1.1 Prepare Main Branch

git checkout main
git pull origin main

1.2 Ensure Gitignore

grep -q "^\.worktrees" .gitignore 2>/dev/null || echo ".worktrees/" >> .gitignore
git add .gitignore && git commit -m "chore: add .worktrees to gitignore"

1.3 Create Feature Branch

git checkout -b feature/<feature-name>
git push -u origin feature/<feature-name>

1.4 Decompose Feature

Identify independent tasks. Example:

Feature: User Management System
├── Task 1: Authentication (src/auth/*)
├── Task 2: User API (src/api/users/*)
├── Task 3: User UI (src/components/user/*)
└── Task 4: Database migrations (migrations/*)

1.5 Create Worktrees

git worktree add -b feature/<feature>-auth .worktrees/auth feature/<feature-name>
git worktree add -b feature/<feature>-api .worktrees/api feature/<feature-name>
git worktree add -b feature/<feature>-ui .worktrees/ui feature/<feature-name>

# Verify
git worktree list

Phase 2: Task Assignment

Use the Task tool to spawn subagents with clear assignments.

Task Assignment Template

## Task Assignment

**Worktree Path:** .worktrees/<name>
**Branch:** feature/<feature>-<component>
**Base Branch:** feature/<feature-name>

### Scope
<Specific files/directories to modify>

### Boundaries
- Only modify files in <path>/
- Do not modify shared configurations
- Interface via <exported types/functions>

### Dependencies
<Other tasks this depends on, or "None">

### Deliverables
- [ ] <Specific deliverable 1>
- [ ] <Specific deliverable 2>
- [ ] Unit tests
- [ ] Commits pushed to branch

### Completion Signal
Notify when all deliverables complete.

Using Task Tool

// Spawn subagent for auth task
Task({
  prompt: `## Task: Authentication Module

**Worktree:** .worktrees/auth
**Branch:** feature/user-mgmt-auth

### Scope
Implement AuthService in src/auth/:
- JWT token generation/validation
- Password hashing with bcrypt
- Session management

### Boundaries
- Only modify src/auth/*
- Export AuthService interface for API layer

### Deliverables
- AuthService with login/logout/validateToken
- Unit tests in tests/auth/
- Commits pushed

Navigate to worktree and begin implementation.`,
  subagent_type: "general-purpose"
});

Phase 3: Monitoring

Check Progress

# Worktree status
git worktree list

# Branch activity
git log --oneline -5 feature/<feature>-auth
git log --oneline -5 feature/<feature>-api

# Recent commits across all
git log --oneline --all --since="1 hour ago"

Detect Conflicts Early

# Dry-run merge
git merge --no-commit --no-ff feature/<feature>-auth
git merge --abort  # Cancel

# Or use merge-tree
git merge-tree $(git merge-base HEAD feature/<feature>-auth) HEAD feature/<feature>-auth

Phase 4: Integration

Merge Order

Merge in dependency order (e.g., DB → Auth → API → UI):

git checkout feature/<feature-name>

# Merge each component
git merge feature/<feature>-db --no-ff -m "Merge database migrations"
npm test  # Verify

git merge feature/<feature>-auth --no-ff -m "Merge authentication"
npm test  # Verify

git merge feature/<feature>-api --no-ff -m "Merge API endpoints"
npm test  # Verify

git merge feature/<feature>-ui --no-ff -m "Merge UI components"
npm test  # Full integration test

Conflict Resolution

If conflicts occur:

# See conflicting files
git status

# Resolve conflicts (edit files, remove markers)
git add <resolved-files>
git commit -m "Merge feature/<feature>-api, resolve config conflict"

Common conflict patterns:

• Shared configs → Have orchestrator handle or assign to one subagent
• Import statements → Combine in logical order
• Type definitions → Merge types, ensure no overlap

Phase 5: Cleanup

# Remove worktrees
git worktree remove .worktrees/auth
git worktree remove .worktrees/api
git worktree remove .worktrees/ui

# Prune
git worktree prune

# Delete local branches
git branch -d feature/<feature>-auth
git branch -d feature/<feature>-api
git branch -d feature/<feature>-ui

# Delete remote branches
git push origin --delete feature/<feature>-auth
git push origin --delete feature/<feature>-api
git push origin --delete feature/<feature>-ui

Plan Mode for Subagents

Recommend subagents use Plan Mode for complex tasks:

### Working Method
Start in Plan Mode for safe exploration:
1. Analyze existing code in scope area
2. Design implementation approach
3. Identify any shared file concerns
4. Exit Plan Mode when approach is clear
5. Implement following the plan

Desktop Organization Tips

For visual orchestration with multiple windows:

• One Space/Desktop per worktree - Quick switching
• Consistent layout: IDE left, Claude right
• Keyboard shortcuts for rapid navigation
• Separate terminal tabs per worktree

Error Handling

Subagent Fails to Complete

# Check status
cd .worktrees/<name>
git status
git log --oneline -3

# Options:
# 1. Reassign to different subagent
# 2. Orchestrator completes task
# 3. Abandon and adjust scope

# If abandoning:
cd ../..  # Return to main
git worktree remove --force .worktrees/<name>
git branch -D feature/<feature>-<name>

Merge Failure Midway

# Abort current merge
git merge --abort

# Reset to pre-integration
git reflog  # Find commit
git reset --hard <pre-integration-commit>

# Re-attempt with different strategy

Worktree Corruption

git worktree remove --force .worktrees/<name>
git worktree prune
git worktree add -b feature/<feature>-<name> .worktrees/<name> feature/<feature-name>

Checklist

Setup Phase

• Main branch up to date
• .worktrees/ in .gitignore
• Feature branch created and pushed
• Risk assessment completed
• Tasks decomposed into independent units
• Worktrees created with descriptive names
• Task assignments documented

Execution Phase

• Subagents spawned with Task tool
• Progress monitored regularly
• Conflicts detected early
• Dependencies coordinated

Integration Phase

• All subagent work complete
• Merges in dependency order
• Conflicts resolved
• Integration tests pass

Cleanup Phase

• All worktrees removed
• Local branches deleted
• Remote branches deleted
• Stale references pruned
• Feature branch ready for PR

Example: User Management System

# Setup
git checkout main && git pull
git checkout -b feature/user-management

# Create worktrees
git worktree add -b feature/user-mgmt-auth .worktrees/auth feature/user-management
git worktree add -b feature/user-mgmt-api .worktrees/api feature/user-management
git worktree add -b feature/user-mgmt-ui .worktrees/ui feature/user-management

# [Spawn subagents with Task tool for each]

# Integration (after subagents complete)
git checkout feature/user-management
git merge feature/user-mgmt-auth --no-ff -m "Merge auth module"
git merge feature/user-mgmt-api --no-ff -m "Merge API endpoints"
git merge feature/user-mgmt-ui --no-ff -m "Merge UI components"
npm test

# Cleanup
git worktree remove .worktrees/auth
git worktree remove .worktrees/api
git worktree remove .worktrees/ui
git worktree prune
git branch -d feature/user-mgmt-auth feature/user-mgmt-api feature/user-mgmt-ui

# Create PR to main
gh pr create --base main --title "feat: Add user management system"

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