feat(inboxes): persist chatwoot working hours

internal/handler/api/v1/inbox_handler.go

@@ -7,6 +7,7 @@ import (
 	"strings"
 
 	"github.com/gin-gonic/gin"
+	"github.com/gochat/gochat/internal/repository"
 	"github.com/gochat/gochat/internal/service"
 	"github.com/gochat/gochat/pkg/response"
 )
@@ -317,6 +318,8 @@ func applyCreateInboxForm(req *service.CreateInboxRequest, values map[string][]s
 			req.BusinessName = inboxStringPtr(value)
 		case "csat_config":
 			req.CsatConfig = inboxJSONObject(value)
+		case "working_hours":
+			req.WorkingHours = inboxWorkingHours(value)
 		}
 	}
 }
@@ -369,6 +372,8 @@ func applyUpdateInboxForm(req *service.UpdateInboxRequest, values map[string][]s
 			req.BusinessName = inboxStringPtr(value)
 		case "csat_config":
 			req.CsatConfig = inboxJSONObject(value)
+		case "working_hours":
+			req.WorkingHours = inboxWorkingHours(value)
 		}
 	}
 }
@@ -443,6 +448,17 @@ func inboxJSONObject(value string) map[string]any {
 	return data
 }
 
+func inboxWorkingHours(value string) []repository.WorkingHourUpdateParam {
+	if value == "" {
+		return nil
+	}
+	var data []repository.WorkingHourUpdateParam
+	if err := json.Unmarshal([]byte(value), &data); err != nil {
+		return nil
+	}
+	return data
+}
+
 // ========================================
 // Member-action handlers (Chatwoot InboxesController member routes)
 // ========================================