Overhaul [1/n]

Signed-off-by: Sean Du <do4suki@gmail.com>

internal/schema/tos/check.go

@@ -0,0 +1,14 @@
+package tos
+
+type CheckData struct {
+	TosID           int   `json:"tos_id"`
+	TosType         int   `json:"tos_type"`
+	IsAgreed        bool  `json:"is_agreed"`
+	ServerTimestamp int64 `json:"server_timestamp"`
+}
+
+type CheckResp struct {
+	ResponseData CheckData `json:"response_data"`
+	ReleaseInfo  []any     `json:"release_info"`
+	StatusCode   int       `json:"status_code"`
+}