feat(search): align conversation result payloads

internal/handler/api/v1/search_handler_test.go

@@ -6,10 +6,12 @@ import (
 	"net/http"
 	"net/http/httptest"
 	"testing"
+	"time"
 
 	"github.com/gin-gonic/gin"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+	"gorm.io/datatypes"
 
 	"github.com/gochat/gochat/internal/model"
 	"github.com/gochat/gochat/internal/search"
@@ -198,6 +200,59 @@ func TestSearchHandler_SearchConversations_Success(t *testing.T) {
 	require.Len(t, results, 1)
 }
 
+func TestSearchHandler_SearchConversations_ChatwootPayloadShape(t *testing.T) {
+	displayID := uint(42)
+	createdAt := time.Date(2026, 6, 7, 8, 30, 0, 0, time.UTC)
+	conversation := model.Conversation{
+		Base:                 model.Base{ID: 7, CreatedAt: createdAt},
+		DisplayID:            &displayID,
+		AccountID:            1,
+		InboxID:              3,
+		ContactID:            5,
+		AssigneeID:           uintPtr(9),
+		AdditionalAttributes: datatypes.JSON(`{"mail_subject":"Need pricing"}`),
+		Contact:              &model.Contact{Base: model.Base{ID: 5}, AccountID: 1, Name: "Ada", Email: "ada@example.com"},
+		Inbox:                &model.Inbox{Base: model.Base{ID: 3}, AccountID: 1, Name: "Website", ChannelType: "web_widget", ChannelID: 11},
+		Assignee:             &model.User{Base: model.Base{ID: 9}, AccountID: 1, Name: "Agent One", Email: "agent@example.com", Role: "administrator"},
+		Messages: []model.Message{{
+			Base:           model.Base{ID: 13, CreatedAt: createdAt.Add(-time.Minute)},
+			AccountID:      1,
+			InboxID:        3,
+			ConversationID: 7,
+			Content:        "hello",
+			MessageType:    "incoming",
+			ContentType:    "text",
+			Status:         "sent",
+		}},
+	}
+	repo := &mockSearchRepo{conversations: []model.Conversation{conversation}, convTotal: 1}
+	svc := search.NewSearchService(repo)
+	handler := NewSearchHandler(svc)
+	router := setupSearchHandlerRouter(handler)
+
+	w := httptest.NewRecorder()
+	req := httptest.NewRequest("GET", "/api/v1/accounts/1/search/conversations?q=ada", nil)
+	router.ServeHTTP(w, req)
+
+	require.Equal(t, http.StatusOK, w.Code)
+	var body map[string]any
+	require.NoError(t, json.Unmarshal(w.Body.Bytes(), &body))
+	payload := body["payload"].(map[string]any)
+	results := payload["conversations"].([]any)
+	require.Len(t, results, 1)
+	item := results[0].(map[string]any)
+	assert.Equal(t, float64(42), item["id"])
+	assert.Equal(t, float64(createdAt.Unix()), item["created_at"])
+	assert.Equal(t, "Need pricing", item["additional_attributes"].(map[string]any)["mail_subject"])
+	assert.Equal(t, "Ada", item["contact"].(map[string]any)["name"])
+	assert.Equal(t, "ada@example.com", item["contact"].(map[string]any)["email"])
+	assert.Equal(t, "Website", item["inbox"].(map[string]any)["name"])
+	assert.Equal(t, float64(11), item["inbox"].(map[string]any)["channel_id"])
+	assert.Equal(t, "Agent One", item["agent"].(map[string]any)["available_name"])
+	assert.Equal(t, float64(13), item["message"].(map[string]any)["id"])
+	assert.Equal(t, float64(0), item["message"].(map[string]any)["message_type"])
+}
+
 func TestSearchHandler_SearchConversations_InvalidAccountID(t *testing.T) {
 	repo := &mockSearchRepo{}
 	svc := search.NewSearchService(repo)