119 lines
4.3 KiB
Markdown
119 lines
4.3 KiB
Markdown
# hai
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AI-orchestrated task board. Like Trello, but your tasks get specified, executed, and delivered by AI — powered by [pi](https://github.com/badlogic/pi-mono).
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## Workflow
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```
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┌──────────┐ ┌──────────┐ ┌────────────┐ ┌───────────┐ ┌──────┐
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│ Triage │───▶│ Todo │───▶│ In Progress│───▶│ In Review │───▶│ Done │
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│ │ │ │ │ │ │ │ │ │
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│ raw idea │ │ AI spec'd│ │ AI working │ │ ready to │ │merged│
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│ │ │ & ready │ │ in worktree│ │ merge │ │ │
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└──────────┘ └──────────┘ └────────────┘ └───────────┘ └──────┘
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pi ▲ pi human
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specifies deps gate executes reviews
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```
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1. **Triage** — Throw rough ideas in. Pi picks them up and writes a proper task spec.
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2. **Todo** — Fully specified, ready to go. Scheduler moves them when deps are met.
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3. **In Progress** — Pi works the task in an isolated git worktree.
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4. **In Review** — Work is done. Merge the worktree and close.
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5. **Done** — Shipped.
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Tasks with dependencies are processed sequentially. Independent tasks run in parallel.
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## Quick Start
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```bash
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# Install dependencies
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pnpm install
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# Start the board (UI only)
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pnpm dev dashboard
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# Start with AI engine (auto-specify + auto-execute)
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pnpm dev dashboard -- --engine
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# Create a task via CLI
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pnpm dev task create "Fix the login redirect bug"
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# List tasks
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pnpm dev task list
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# Move a task
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pnpm dev task move HAI-001 todo
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```
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Then open [http://localhost:4040](http://localhost:4040).
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## Prerequisites
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The AI engine uses [pi](https://github.com/badlogic/pi-mono) agent sessions under the hood. You need:
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1. **pi installed:** `npm install -g @mariozechner/pi-coding-agent`
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2. **API key configured:** Run `pi` and use `/login` or set `ANTHROPIC_API_KEY`
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hai reuses your existing pi authentication — no separate setup needed.
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## Packages
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| Package | Description |
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|---------|-------------|
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| `@hai/core` | Domain model — tasks, board columns, file-based store |
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| `@hai/dashboard` | Web UI — Express server + kanban board with SSE |
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| `@hai/engine` | AI engine — triage (pi), execution (pi + worktrees), scheduling |
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| `hai` (cli) | CLI — `hai dashboard`, `hai task create/list/move` |
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## Architecture
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### Task Storage
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Tasks live on disk in `.hai/tasks/` in the project root:
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```
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.hai/
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├── config.json # Board config + ID counter
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└── tasks/
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└── HAI-001/
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├── task.json # Metadata (column, deps, timestamps)
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└── PROMPT.md # Task specification
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```
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### Board UI
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Real-time kanban board at `localhost:4040`:
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- Drag-and-drop cards between columns
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- Create tasks from the web UI
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- Click cards for detail view with move/delete actions
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- Server-Sent Events for live updates across tabs
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### AI Engine (`--engine`)
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When enabled, three components run:
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- **TriageProcessor** — Watches triage column. Spawns a pi agent session that reads the project, understands context, and writes a full PROMPT.md specification. Moves task to todo.
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- **Scheduler** — Watches todo column. Resolves dependency graphs. Moves tasks to in-progress when deps are satisfied and concurrency allows (default: 2 concurrent).
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- **TaskExecutor** — Listens for tasks entering in-progress. Creates a git worktree, spawns a pi agent session with full coding tools scoped to the worktree, and executes the specification. Moves to in-review on completion.
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Each pi agent session gets:
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- Custom system prompt for its role (triage specifier vs task executor)
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- Tools scoped to the correct directory (`createCodingTools(cwd)`)
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- In-memory sessions (no persistence needed)
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- The user's existing pi auth (API keys from `~/.pi/agent/auth.json`)
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## Development
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```bash
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pnpm install
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pnpm dev dashboard # Board only
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pnpm dev dashboard -- --engine # Board + AI engine
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pnpm dev task list # CLI commands
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```
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## License
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ISC
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