chore: scaffold project workbench

backend/internal/config/config.go

@@ -0,0 +1,26 @@
+package config
+
+import "os"
+
+type Config struct {
+	Env         string
+	DatabaseURL string
+	StorageDir  string
+	SystemAIKey string
+}
+
+func Load() Config {
+	return Config{
+		Env:         getenv("APP_ENV", "development"),
+		DatabaseURL: getenv("DATABASE_URL", "postgres://agent:agent@localhost:5432/agent?sslmode=disable"),
+		StorageDir:  getenv("STORAGE_DIR", "./data/files"),
+		SystemAIKey: os.Getenv("SYSTEM_AI_KEY"),
+	}
+}
+
+func getenv(key string, fallback string) string {
+	if value := os.Getenv(key); value != "" {
+		return value
+	}
+	return fallback
+}

backend/internal/httpx/router.go

@@ -0,0 +1,23 @@
+package httpx
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"senlinai-agent/backend/internal/config"
+)
+
+func NewRouter(cfg config.Config) *gin.Engine {
+	if cfg.Env == "test" {
+		gin.SetMode(gin.TestMode)
+	}
+
+	router := gin.New()
+	router.Use(gin.Recovery())
+
+	router.GET("/healthz", func(c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{"status": "ok"})
+	})
+
+	return router
+}

backend/internal/httpx/router_test.go

@@ -0,0 +1,21 @@
+package httpx
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"senlinai-agent/backend/internal/config"
+)
+
+func TestHealthz(t *testing.T) {
+	router := NewRouter(config.Config{Env: "test"})
+	req := httptest.NewRequest(http.MethodGet, "/healthz", nil)
+	rec := httptest.NewRecorder()
+
+	router.ServeHTTP(rec, req)
+
+	require.Equal(t, http.StatusOK, rec.Code)
+	require.JSONEq(t, `{"status":"ok"}`, rec.Body.String())
+}