---
phase: planning
title: Project Planning & Task Breakdown
description: Break down work into actionable tasks and estimate timeline
feature: global-setup
---

# Project Planning & Task Breakdown - Global Setup Feature

## Milestones
**What are the major checkpoints?**

- [x] Milestone 1: Environment definitions updated with global support
- [x] Milestone 2: Core global setup functionality implemented
- [x] Milestone 3: CLI command integrated and tested

## Task Breakdown
**What specific work needs to be done?**

### Phase 1: Foundation - Update Types and Environment Definitions
- [x] Task 1.1: Add `globalCommandPath` property to `EnvironmentDefinition` interface in `src/types.ts`
- [x] Task 1.2: Add `globalCommandPath` to Antigravity definition in `src/util/env.ts`
- [x] Task 1.3: Add `globalCommandPath` to Codex definition in `src/util/env.ts`
- [x] Task 1.4: Add `getGlobalCapableEnvironments()` function in `src/util/env.ts`
- [x] Task 1.5: Add `hasGlobalSupport()` function in `src/util/env.ts`

### Phase 2: Core Features - Implement Global Setup Logic
- [x] Task 2.1: Add `selectGlobalEnvironments()` method to `EnvironmentSelector` class
- [x] Task 2.2: Add `copyCommandsToGlobal()` method to `TemplateManager` class
- [x] Task 2.3: Add `checkGlobalCommandsExist()` method to `TemplateManager` class
- [x] Task 2.4: Create new `src/commands/setup.ts` file with global setup logic

### Phase 3: Integration & Polish
- [x] Task 3.1: Add `setup` command to CLI in `src/cli.ts`
- [x] Task 3.2: Add user-friendly messages and error handling
- [x] Task 3.3: Update CHANGELOG.md with new feature
- [x] Task 3.4: Test end-to-end with Antigravity and Codex

## Dependencies
**What needs to happen in what order?**

```mermaid
graph TD
    T1.1[Task 1.1: Update types] --> T1.2[Task 1.2: Antigravity def]
    T1.1 --> T1.3[Task 1.3: Codex def]
    T1.2 --> T1.4[Task 1.4: getGlobalCapableEnvironments]
    T1.3 --> T1.4
    T1.4 --> T1.5[Task 1.5: hasGlobalSupport]
    T1.5 --> T2.1[Task 2.1: selectGlobalEnvironments]
    T1.5 --> T2.2[Task 2.2: copyCommandsToGlobal]
    T1.5 --> T2.3[Task 2.3: checkGlobalCommandsExist]
    T2.1 --> T2.4[Task 2.4: setup.ts command]
    T2.2 --> T2.4
    T2.3 --> T2.4
    T2.4 --> T3.1[Task 3.1: CLI integration]
    T3.1 --> T3.2[Task 3.2: Polish messages]
    T3.2 --> T3.3[Task 3.3: CHANGELOG]
    T3.3 --> T3.4[Task 3.4: E2E testing]
```

**External dependencies:**
- None - all dependencies are internal

## Timeline & Estimates
**When will things be done?**

| Task | Estimated Effort |
|------|-----------------|
| Phase 1 (Tasks 1.1-1.5) | ~30 minutes |
| Phase 2 (Tasks 2.1-2.4) | ~45 minutes |
| Phase 3 (Tasks 3.1-3.4) | ~30 minutes |
| **Total** | **~1.75 hours** |

## Risks & Mitigation
**What could go wrong?**

| Risk | Likelihood | Impact | Mitigation |
|------|------------|--------|------------|
| Home directory not accessible | Low | High | Add error handling with clear message |
| File permissions issues | Low | Medium | Catch errors and provide helpful guidance |
| Path resolution issues on Windows | Medium | Medium | Use `os.homedir()` and `path.join()` consistently |

## Resources Needed
**What do we need to succeed?**

- Existing codebase familiarity (already explored)
- `fs-extra` and `os` Node.js modules (already available)
- Test environment with Antigravity and/or Codex installed (user to verify)
