Connect React workspace to backend data

backend/cmd/seed/main.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"senlinai-agent/backend/internal/config"
+	"senlinai-agent/backend/internal/models"
+	"senlinai-agent/backend/internal/seed"
+)
+
+func main() {
+	cfg := config.Load()
+	if dsn := envOrDefault("DATABASE_DSN", envOrDefault("DATABASE_URL", "")); dsn != "" {
+		cfg.DSN = dsn
+	}
+	if err := models.New(cfg.DSN); err != nil {
+		panic(err)
+	}
+	result, err := seed.Demo(models.DBService, seed.DemoOptions{
+		Email:       envOrDefault("SENLIN_SEED_EMAIL", "demo@senlin.ai"),
+		DisplayName: envOrDefault("SENLIN_SEED_NAME", "演示用户"),
+		Password:    envOrDefault("SENLIN_SEED_PASSWORD", "password123"),
+	})
+	if err != nil {
+		panic(err)
+	}
+	fmt.Printf("seeded %s with %d projects\n", result.User.Email, len(result.Projects))
+}
+
+func envOrDefault(key string, fallback string) string {
+	value := os.Getenv(key)
+	if value == "" {
+		return fallback
+	}
+	return value
+}