fix:sdk增加判断是否需要更新的方法

sdk/src/main/kotlin/com/duooomi/ble/DuooomiBleSDK.kt

@@ -479,6 +479,16 @@ class DuooomiBleSDK(context: Context, val config: DuooomiBleConfig) {
         } ?: BleLog.w("No pending continuation for opId=$opId", "RPC")
     }
 
+    // MARK: - Version Check
+
+    fun hasNewerFirmware(deviceVersion: String?, serverVersion: String?): Boolean {
+        if (deviceVersion.isNullOrEmpty() || serverVersion.isNullOrEmpty()) return false
+        if (deviceVersion.length < 10 || serverVersion.length < 10) return false
+        val deviceTs = deviceVersion.takeLast(10).toLongOrNull() ?: return false
+        val serverTs = serverVersion.takeLast(10).toLongOrNull() ?: return false
+        return serverTs > deviceTs
+    }
+
     // MARK: - Helpers
 
     private fun ensureConnected() {