# Context Pack

Task: `TASK-001`
Title: Parse Lisp expressions

## Acceptance Criteria

- Parses numbers
- Parses symbols
- Parses nested lists
- Raises useful errors for unbalanced parentheses
- Includes unit tests

## Constraints

- Scoped paths: .
- Repository lookups are read-only.
- Excerpts are line-numbered where files are read directly.

## Relevant Files

```text
lisp.py
tests/__init__.py
tests/test_lisp.py
```

## Search Results

### Search: parse

```text
tasks.md:21: Evaluate parsed arithmetic expressions.
```

### Search: lisp

```text
nightshift.yaml:2:   name: tiny-lisp
```

### Search: expressions

```text
tasks.md:3: - [ ] TASK-001: Parse Lisp expressions
tasks.md:21: Evaluate parsed arithmetic expressions.
tasks.md:47: Implement simple truthiness and `if` expressions.
```

### Search: parses

```text
No matches found.
```

### Search: numbers

```text
tasks.md:9: - Parses numbers
```