feat: add forum and token store service skeletons

backend/cmd/tokenstore/main.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"log"
+
+	"github.com/LoveLosita/smartflow/backend/bootstrap"
+	tokenstoredao "github.com/LoveLosita/smartflow/backend/services/tokenstore/dao"
+	tokenstorerpc "github.com/LoveLosita/smartflow/backend/services/tokenstore/rpc"
+	tokenstoresv "github.com/LoveLosita/smartflow/backend/services/tokenstore/sv"
+	"github.com/spf13/viper"
+)
+
+func main() {
+	if err := bootstrap.LoadConfig(); err != nil {
+		log.Fatalf("failed to load config: %v", err)
+	}
+
+	db, err := tokenstoredao.OpenDBFromConfig()
+	if err != nil {
+		log.Fatalf("failed to connect tokenstore database: %v", err)
+	}
+
+	// 1. 当前阶段只启动 token-store 自身 RPC 壳和本服务私有表迁移。
+	// 2. user/auth 授额出口后续通过 GrantOutlet adapter 切入，避免现在制造冲突。
+	// 3. 未实现的业务方法会明确返回 Unimplemented，而不是伪装成可用能力。
+	svc := tokenstoresv.New(tokenstoresv.Options{DB: db})
+	tokenstorerpc.Start(tokenstorerpc.ServerOptions{
+		ListenOn: viper.GetString("tokenstore.rpc.listenOn"),
+		Timeout:  viper.GetDuration("tokenstore.rpc.timeout"),
+		Service:  svc,
+	})
+}