feat(auth): add GitHub Copilot authentication and API integration

Add complete GitHub Copilot support including:
- Device flow OAuth authentication via GitHub's official client ID
- Token management with automatic caching (25 min TTL)
- OpenAI-compatible API executor for api.githubcopilot.com
- 16 model definitions (GPT-5 variants, Claude variants, Gemini, Grok, Raptor)
- CLI login command via -github-copilot-login flag
- SDK authenticator and refresh registry integration

Enables users to authenticate with their GitHub Copilot subscription and
use it as a backend provider alongside existing providers.
This commit is contained in:
Ernesto Martínez
2025-11-27 20:14:30 +01:00
parent d2e4639b2a
commit 3a9ac7ef33
12 changed files with 1563 additions and 1 deletions
+1
View File
@@ -14,6 +14,7 @@ func init() {
registerRefreshLead("gemini", func() Authenticator { return NewGeminiAuthenticator() })
registerRefreshLead("gemini-cli", func() Authenticator { return NewGeminiAuthenticator() })
registerRefreshLead("antigravity", func() Authenticator { return NewAntigravityAuthenticator() })
registerRefreshLead("github-copilot", func() Authenticator { return NewGitHubCopilotAuthenticator() })
}
func registerRefreshLead(provider string, factory func() Authenticator) {