chore: import upstream snapshot with attribution

pkg/context/token.go

@@ -0,0 +1,42 @@
+package context
+
+import (
+	"context"
+
+	"github.com/github/github-mcp-server/pkg/utils"
+)
+
+type tokenCtxKey struct{}
+
+type TokenInfo struct {
+	Token     string
+	TokenType utils.TokenType
+}
+
+// WithTokenInfo adds TokenInfo to the context
+func WithTokenInfo(ctx context.Context, tokenInfo *TokenInfo) context.Context {
+	return context.WithValue(ctx, tokenCtxKey{}, tokenInfo)
+}
+
+// GetTokenInfo retrieves the authentication token from the context
+func GetTokenInfo(ctx context.Context) (*TokenInfo, bool) {
+	if tokenInfo, ok := ctx.Value(tokenCtxKey{}).(*TokenInfo); ok {
+		return tokenInfo, true
+	}
+	return nil, false
+}
+
+type tokenScopesKey struct{}
+
+// WithTokenScopes adds token scopes to the context
+func WithTokenScopes(ctx context.Context, scopes []string) context.Context {
+	return context.WithValue(ctx, tokenScopesKey{}, scopes)
+}
+
+// GetTokenScopes retrieves token scopes from the context
+func GetTokenScopes(ctx context.Context) ([]string, bool) {
+	if scopes, ok := ctx.Value(tokenScopesKey{}).([]string); ok {
+		return scopes, true
+	}
+	return nil, false
+}