feat: implement data import/export and optimize terminal UX

internal/models/export.go

@@ -0,0 +1,25 @@
+package models
+
+import "time"
+
+// ExportData 全量或部分业务数据的导出/导入结构
+type ExportData struct {
+	Version  string                `json:"version"`
+	ExportAt LocalTime             `json:"export_at"`
+	Tasks    []Task                `json:"tasks"`
+	Envs     []EnvironmentVariable `json:"envs"`
+	Tags     []DataStorage         `json:"tags"`
+	Bindings []NotifyBinding       `json:"bindings"`
+}
+
+// NewExportData 创建一个导出数据对象
+func NewExportData() *ExportData {
+	return &ExportData{
+		Version:  "1.0",
+		ExportAt: LocalTime(time.Now()),
+		Tasks:    make([]Task, 0),
+		Envs:     make([]EnvironmentVariable, 0),
+		Tags:     make([]DataStorage, 0),
+		Bindings: make([]NotifyBinding, 0),
+	}
+}