Improve live and random live handling

- Add random live handlers, schemas and persistence for lot/play/continue/gameover/reward flow
- Update live status and schedule generation, including special rotation handling and CN timezone alignment
- Add config support for unlocking all daily special rotation songs and document the option
- Refresh live play, reward, precise score and session logic plus bundled main.db updates

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

internal/schema/rlive/common.go

@@ -0,0 +1,10 @@
+package rliveschema
+
+type TokenReq struct {
+	Module     string `json:"module"`
+	Action     string `json:"action"`
+	Mgd        int    `json:"mgd"`
+	Token      string `json:"token"`
+	TimeStamp  int64  `json:"timeStamp"`
+	CommandNum string `json:"commandNum"`
+}