fix: add --cloud-url flag to migrate command

cmd/onecli/migrate.go

@@ -11,26 +11,36 @@ import (
 // MigrateCmd is `onecli migrate`.
 type MigrateCmd struct {
 	CloudKey string `required:"" name:"cloud-key" help:"OneCLI Cloud API key."`
+	CloudUrl string `optional:"" name:"cloud-url" help:"OneCLI Cloud API URL (default: production)."`
 	DryRun   bool   `optional:"" name:"dry-run" help:"Validate the request without executing it."`
 }
 
 func (c *MigrateCmd) Run(out *output.Writer) error {
 	if err := validate.APIKey(c.CloudKey); err != nil {
 		return fmt.Errorf("invalid cloud API key: %w", err)
 	}
+	if c.CloudUrl != "" {
+		if err := validate.URL(c.CloudUrl); err != nil {
+			return fmt.Errorf("invalid cloud URL: %w", err)
+		}
+	}
 
 	if c.DryRun {
+		target := "https://api.onecli.sh"
+		if c.CloudUrl != "" {
+			target = c.CloudUrl
+		}
 		return out.WriteDryRun("Would migrate data to OneCLI Cloud", map[string]string{
 			"source": config.APIHost(),
-			"target": "https://api.onecli.sh",
+			"target": target,
 		})
 	}
 
 	client, err := newClient()
 	if err != nil {
 		return err
 	}
-	result, err := client.MigrateToCloud(newContext(), c.CloudKey)
+	result, err := client.MigrateToCloud(newContext(), c.CloudKey, c.CloudUrl)
 	if err != nil {
 		return err
 	}

internal/api/migrate.go

@@ -29,10 +29,13 @@ type MigrateSkipped struct {
 
 // MigrateToCloud triggers a data export from the current instance to OneCLI Cloud.
 // The server decrypts secrets and sends them directly to cloud over HTTPS.
-func (c *Client) MigrateToCloud(ctx context.Context, cloudKey string) (*MigrateResult, error) {
+func (c *Client) MigrateToCloud(ctx context.Context, cloudKey string, cloudUrl string) (*MigrateResult, error) {
 	body := map[string]string{
 		"cloudApiKey": cloudKey,
 	}
+	if cloudUrl != "" {
+		body["cloudUrl"] = cloudUrl
+	}
 	var result MigrateResult
 	if err := c.do(ctx, http.MethodPost, "/v1/migrate/export", body, &result); err != nil {
 		return nil, fmt.Errorf("migrating to cloud: %w", err)