Stage 11: account linking & merge (email + Telegram Login Widget) (#12)

backend/cmd/backend/main.go

@@ -18,10 +18,12 @@ import (
 	"go.uber.org/zap"
 
 	"scrabble/backend/internal/account"
+	"scrabble/backend/internal/accountmerge"
 	"scrabble/backend/internal/config"
 	"scrabble/backend/internal/connector"
 	"scrabble/backend/internal/engine"
 	"scrabble/backend/internal/game"
+	"scrabble/backend/internal/link"
 	"scrabble/backend/internal/lobby"
 	"scrabble/backend/internal/notify"
 	"scrabble/backend/internal/postgres"
@@ -138,6 +140,9 @@ func run(ctx context.Context, cfg config.Config, logger *zap.Logger) error {
 	// groups) for the handlers to come.
 	mailer := newMailer(cfg.SMTP, logger)
 	emails := account.NewEmailService(accounts, mailer)
+	// Stage 11 account linking & merge: the orchestrator over the account, merge and
+	// session layers. Wired to the /api/v1/user/link REST surface below.
+	links := link.NewService(emails, accounts, accountmerge.NewMerger(db), sessions)
 	socialSvc := social.NewService(social.NewStore(db), accounts, games)
 	socialSvc.SetNotifier(hub)
 
@@ -170,6 +175,7 @@ func run(ctx context.Context, cfg config.Config, logger *zap.Logger) error {
 		Matchmaker:    matchmaker,
 		Invitations:   invitations,
 		Emails:        emails,
+		Links:         links,
 		Registry:      registry,
 		DictDir:       cfg.Game.DictDir,
 		Connector:     conn,