✨ feat(auth): magic-link request + consume HTTP handlers (ADR-0028 Phase A.4) (#62)

Co-authored-by: Gabriel Radureau <arcodange@gmail.com>
Co-committed-by: Gabriel Radureau <arcodange@gmail.com>

pkg/server/server.go

@@ -20,6 +20,7 @@ import (
 
 	"dance-lessons-coach/pkg/cache"
 	"dance-lessons-coach/pkg/config"
+	"dance-lessons-coach/pkg/email"
 	"dance-lessons-coach/pkg/greet"
 	"dance-lessons-coach/pkg/middleware"
 	"dance-lessons-coach/pkg/telemetry"
@@ -252,6 +253,29 @@ func (s *Server) registerApiV1Routes(r chi.Router) {
 			handler := userapi.NewAuthHandler(s.userService, s.userService, s.validator)
 			r.Route("/auth", func(r chi.Router) {
 				handler.RegisterRoutes(r)
+				// Magic-link routes (ADR-0028 Phase A). Mounted only when the
+				// userRepo also implements MagicLinkRepository (PostgresRepository does).
+				if mlRepo, ok := s.userRepo.(user.MagicLinkRepository); ok {
+					emailCfg := s.config.GetEmailConfig()
+					sender := email.NewSMTPSender(email.SMTPConfig{
+						Host:     emailCfg.SMTPHost,
+						Port:     emailCfg.SMTPPort,
+						Username: emailCfg.SMTPUsername,
+						Password: emailCfg.SMTPPassword,
+						UseTLS:   emailCfg.SMTPUseTLS,
+						Timeout:  emailCfg.Timeout,
+					})
+					mlHandler := userapi.NewMagicLinkHandler(
+						mlRepo,
+						s.userService,
+						s.userRepo,
+						sender,
+						s.config.GetMagicLinkConfig(),
+						emailCfg.From,
+						s.validator,
+					)
+					mlHandler.RegisterRoutes(r)
+				}
 			})
 
 			// Register admin routes