# Task 0.2.1: Install Configuration Dependencies

## Metadata
- **Task ID**: 0.2.1
- **Title**: Install Configuration Dependencies
- **Phase**: 0 - Project Setup & Foundation
- **Section**: 0.2 Configuration System
- **Status**: Pending
- **Priority**: High
- **Estimated Time**: 5 minutes
- **Dependencies**: 0.1.1

## Description
Install Viper and Cobra packages for configuration management and CLI support.

## Requirements
- Install `github.com/spf13/viper` v1.18.0+
- Install `github.com/spf13/cobra` v1.8.0+
- Add to `go.mod` with proper version constraints

## Implementation Steps
1. Run `go get github.com/spf13/viper@v1.18.0`
2. Run `go get github.com/spf13/cobra@v1.8.0`
3. Run `go mod tidy` to update dependencies
4. Verify packages in `go.mod`

## Acceptance Criteria
- [ ] Viper is listed in `go.mod`
- [ ] Cobra is listed in `go.mod`
- [ ] `go mod verify` passes
- [ ] Dependencies are properly versioned

## Related ADRs
- [ADR-0004: Configuration Management](../../adr/0004-configuration-management.md)

## Implementation Notes
- Use specific versions for reproducibility
- Consider using `go get -u` for latest patch versions
- Document version choices in ADR

## Testing
```bash
go mod verify
go list -m github.com/spf13/viper
go list -m github.com/spf13/cobra
```