infra: add logging wrapping

Resolves issues with gcp cloud logging quirks such as field names

go/internal/redis.go

@@ -3,17 +3,19 @@ package internal
 import (
 	"context"
 	"fmt"
-	"log/slog"
 	"os"
 
-	"github.com/flowy-live/llink/internal/utils"
+	"github.com/flowy-live/llink/internal/utils/flog"
+
 	"github.com/redis/go-redis/v9"
+
+	"github.com/flowy-live/llink/internal/utils"
 )
 
 func ConnectAndTestRedis(db int) *redis.Client {
 	redisHost := utils.MustGetEnv("REDIS_HOST")
 	if redisHost == "" {
-		slog.Error("must provide REDIS_HOST")
+		flog.Error("must provide REDIS_HOST")
 		os.Exit(1)
 	}
 	redisAddr := fmt.Sprintf("%s:%s", redisHost, "6379")
@@ -32,7 +34,7 @@ func ConnectAndTestRedis(db int) *redis.Client {
 	if err != nil {
 		panic(err)
 	}
-	slog.Debug("redis test", "key", val)
+	flog.Debug("redis test", "key", val)
 	if val != "value" {
 		panic("unexpected value")
 	}