feat: refactor model manager

* chore: mv model icon
* fix: model icon
* fix: model icon
* feat: refactor model manager
* fix: model icon
* fix: model icon
* feat: refactor model manager

See merge request: !905

backend/infra/contract/modelmgr/const.go

@@ -0,0 +1,60 @@
+package modelmgr
+
+type ParameterName string
+
+const (
+	Temperature      ParameterName = "temperature"
+	TopP             ParameterName = "top_p"
+	TopK             ParameterName = "top_k"
+	MaxTokens        ParameterName = "max_tokens"
+	RespFormat       ParameterName = "response_format"
+	FrequencyPenalty ParameterName = "frequency_penalty"
+	PresencePenalty  ParameterName = "presence_penalty"
+)
+
+type ValueType string
+
+const (
+	ValueTypeInt     ValueType = "int"
+	ValueTypeFloat   ValueType = "float"
+	ValueTypeBoolean ValueType = "boolean"
+	ValueTypeString  ValueType = "string"
+)
+
+type DefaultType string
+
+const (
+	DefaultTypeDefault  DefaultType = "default_val"
+	DefaultTypeCreative DefaultType = "creative"
+	DefaultTypeBalance  DefaultType = "balance"
+	DefaultTypePrecise  DefaultType = "precise"
+)
+
+// Deprecated
+type Scenario int64 // 模型实体使用场景
+
+type Modal string
+
+const (
+	ModalText  Modal = "text"
+	ModalImage Modal = "image"
+	ModalFile  Modal = "file"
+	ModalAudio Modal = "audio"
+	ModalVideo Modal = "video"
+)
+
+type ModelStatus int64
+
+const (
+	StatusDefault ModelStatus = 0  // 未配置时的默认状态，表现等同 StatusInUse
+	StatusInUse   ModelStatus = 1  // 应用中，可使用可新建
+	StatusPending ModelStatus = 5  // 待下线，可使用不可新建
+	StatusDeleted ModelStatus = 10 // 已下线，不可使用不可新建
+)
+
+type Widget string
+
+const (
+	WidgetSlider       Widget = "slider"
+	WidgetRadioButtons Widget = "radio_buttons"
+)