feat: Introduce a new Go-based test suite runner with supporting scripts and documentation.

cmd/ds2api-tests/main.go

@@ -0,0 +1,36 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"os"
+	"time"
+
+	"ds2api/internal/testsuite"
+)
+
+func main() {
+	opts := testsuite.DefaultOptions()
+	var timeoutSeconds int
+
+	flag.StringVar(&opts.ConfigPath, "config", opts.ConfigPath, "Path to config file (default: config.json)")
+	flag.StringVar(&opts.AdminKey, "admin-key", opts.AdminKey, "Admin key (default: DS2API_ADMIN_KEY or admin)")
+	flag.StringVar(&opts.OutputDir, "out", opts.OutputDir, "Output artifact directory")
+	flag.IntVar(&opts.Port, "port", opts.Port, "Server port (0 means auto-select free port)")
+	flag.IntVar(&timeoutSeconds, "timeout", int(opts.Timeout.Seconds()), "Per-request timeout in seconds")
+	flag.IntVar(&opts.Retries, "retries", opts.Retries, "Retry count for network/5xx requests")
+	flag.BoolVar(&opts.NoPreflight, "no-preflight", opts.NoPreflight, "Skip preflight checks")
+	flag.Parse()
+
+	if timeoutSeconds <= 0 {
+		timeoutSeconds = 120
+	}
+	opts.Timeout = time.Duration(timeoutSeconds) * time.Second
+
+	if err := testsuite.Run(context.Background(), opts); err != nil {
+		fmt.Fprintln(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+	fmt.Fprintln(os.Stdout, "testsuite completed successfully")
+}