Align GoChat with Chatwoot frontend contracts

internal/middleware/auth_test.go

@@ -98,6 +98,26 @@ func TestAuthMiddleware_ValidToken(t *testing.T) {
 	assert.Equal(t, 200, w.Code)
 }
 
+func TestAuthMiddleware_ChatwootAccessTokenHeader(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+	cfg := makeJWTConfig()
+	r := gin.New()
+	r.Use(AuthMiddleware(cfg))
+	r.GET("/test", func(c *gin.Context) {
+		userID, _ := c.Get("user_id")
+		accountID, _ := c.Get("account_id")
+		c.JSON(200, gin.H{"user_id": userID, "account_id": accountID})
+	})
+
+	token := makeValidAccessToken(cfg)
+	w := httptest.NewRecorder()
+	req := httptest.NewRequest(http.MethodGet, "/test", nil)
+	req.Header.Set("access-token", token)
+	r.ServeHTTP(w, req)
+
+	assert.Equal(t, 200, w.Code)
+}
+
 func TestAuthMiddleware_FallbackHeaders(t *testing.T) {
 	gin.SetMode(gin.TestMode)
 	cfg := makeJWTConfig()
@@ -155,4 +175,4 @@ func TestGenerateToken(t *testing.T) {
 	tokenString, err := GenerateToken(cfg, 1, 2, "agent")
 	assert.NoError(t, err)
 	assert.NotEmpty(t, tokenString)
-}
+}