remove s3 from client

internal/client/config.go

@@ -9,7 +9,6 @@ import (
 )
 
 // Config holds client-side configuration for connecting to the backup server.
-// Note: Storage type is determined by the server, not the client.
 type Config struct {
 	// ClientID is the unique identifier for this client
 	ClientID string `json:"client_id"`
@@ -21,16 +20,6 @@ type Config struct {
 	LocalDataset string `json:"local_dataset"`
 	// Compress enables LZ4 compression for transfers
 	Compress bool `json:"compress"`
-	// S3Endpoint is the S3 endpoint URL (optional, for direct S3 uploads)
-	S3Endpoint string `json:"s3_endpoint"`
-	// S3Region is the AWS region
-	S3Region string `json:"s3_region"`
-	// S3Bucket is the S3 bucket name
-	S3Bucket string `json:"s3_bucket"`
-	// S3AccessKey is the AWS access key
-	S3AccessKey string `json:"s3_access_key"`
-	// S3SecretKey is the AWS secret key
-	S3SecretKey string `json:"s3_secret_key"`
 }
 
 // LoadConfig loads client configuration from environment variables and .env file.
@@ -42,14 +31,9 @@ func LoadConfig() *Config {
 	return &Config{
 		ClientID:     getEnv("CLIENT_ID", "client1"),
 		APIKey:       getEnv("API_KEY", "secret123"),
-		ServerURL:    getEnv("SERVER_URL", "http://backup-server:8080"),
+		ServerURL:    getEnv("SERVER_URL", "http://localhost:8080"),
 		LocalDataset: getEnv("LOCAL_DATASET", "tank/data"),
 		Compress:     getEnv("COMPRESS", "true") == "true",
-		S3Endpoint:   getEnv("S3_ENDPOINT", ""),
-		S3Region:     getEnv("S3_REGION", "us-east-1"),
-		S3Bucket:     getEnv("S3_BUCKET", "zfs-backups"),
-		S3AccessKey:  getEnv("S3_ACCESS_KEY", ""),
-		S3SecretKey:  getEnv("S3_SECRET_KEY", ""),
 	}
 }