fix: 推送 meta 用 UseNumber 保留超过 2^53 的整数

internal/app/message/dispatch.go

@@ -3,7 +3,6 @@ package message
 import (
 	"database/sql"
 	"encoding/base64"
-	"encoding/json"
 
 	"git.asio.asia/nixevol/NixMsg/internal/protocol"
 )
@@ -94,7 +93,7 @@ func (a *App) dispatchFullTx(tx *sql.Tx, seq int64, senderID, destKind, destID s
 SELECT gm.endpoint_id, e.enabled
 FROM group_members gm
 JOIN endpoints e ON e.id = gm.endpoint_id
-WHERE gm.group_id = ? AND gm.endpoint_id != ?`, destID, senderID)
+WHERE gm.group_id = ? AND gm.endpoint_id != ? AND gm.joined_at <= ?`, destID, senderID, sendAt)
 			if qErr != nil {
 				return "", true, qErr
 			}
@@ -342,7 +341,7 @@ func decodeMetaJSON(s string) map[string]any {
 		return nil
 	}
 	var m map[string]any
-	if err := json.Unmarshal([]byte(s), &m); err != nil {
+	if err := protocol.Unmarshal([]byte(s), &m); err != nil {
 		return nil
 	}
 	return m