## ADDED Requirements

### Requirement: GitHub adapter implements provider interface
The system SHALL provide a GitHub adapter that implements the GitProvider interface.

#### Scenario: List repositories
- **WHEN** the adapter lists repositories for an authenticated user
- **THEN** it returns a list of repository objects with name, url, and default_branch

#### Scenario: Create deploy key
- **WHEN** the adapter creates a deploy key for a repository
- **THEN** it registers the SSH public key with GitHub
- **AND** returns the key ID

#### Scenario: Validate connection
- **WHEN** the adapter validates a token
- **THEN** it verifies the token with GitHub API
- **AND** returns user information

### Requirement: GitLab adapter implements provider interface
The system SHALL provide a GitLab adapter that implements the GitProvider interface.

#### Scenario: List repositories
- **WHEN** the adapter lists repositories for an authenticated user
- **THEN** it returns a list of repository objects with name, url, and default_branch

#### Scenario: Create deploy key
- **WHEN** the adapter creates a deploy key for a repository
- **THEN** it registers the SSH public key with GitLab
- **AND** returns the key ID

#### Scenario: Validate connection
- **WHEN** the adapter validates a token
- **THEN** it verifies the token with GitLab API
- **AND** returns user information