Align GoChat with Chatwoot frontend contracts

internal/handler/api/v1/assignable_agent_handler_test.go

@@ -70,6 +70,7 @@ func (s *AssignableAgentHandlerTestSuite) SetupSuite() {
 	// Register route matching the handler's expected URL pattern
 	accountGroup := r.Group("/api/v1/accounts/:account_id")
 	{
+		accountGroup.GET("/assignable_agents", s.handler.List)
 		inboxes := accountGroup.Group("/inboxes/:inbox_id")
 		{
 			inboxes.GET("/assignable_agents", s.handler.List)
@@ -277,6 +278,33 @@ func (s *AssignableAgentHandlerTestSuite) TestList_MultipleInboxIDsQueryParam()
 	s.Len(data, 2)
 }
 
+func (s *AssignableAgentHandlerTestSuite) TestList_StandaloneResourceUsesFrontendInboxIDsQuery() {
+	w := httptest.NewRecorder()
+	req, _ := http.NewRequest("GET",
+		fmt.Sprintf("/api/v1/accounts/%d/assignable_agents?inbox_ids[]=%d&inbox_ids[]=%d",
+			s.account.ID, s.inbox1.ID, s.inbox2.ID), nil)
+	s.router.ServeHTTP(w, req)
+
+	s.Equal(http.StatusOK, w.Code)
+
+	data := s.decodeAssignablePayload(w)
+	s.Len(data, 2)
+	for _, item := range data {
+		agent := item.(map[string]interface{})
+		s.Contains(agent, "id")
+		s.Equal(float64(s.account.ID), agent["account_id"])
+		s.Contains(agent, "availability_status")
+		s.Contains(agent, "available_name")
+		s.Contains(agent, "auto_offline")
+		s.Contains(agent, "confirmed")
+		s.Contains(agent, "email")
+		s.Contains(agent, "provider")
+		s.Contains(agent, "role")
+		s.Contains(agent, "thumbnail")
+		s.Contains(agent, "custom_role_id")
+	}
+}
+
 func (s *AssignableAgentHandlerTestSuite) TestList_MultipleInboxIDsQueryParams_NoIntersection() {
 	// Request inbox1 + inbox3 via query param. inbox3 has no members.
 	// Intersection of {user1, user2} ∩ {} = {} (empty).