Расширить общие API графиков и GAS обмена

c/set-protocol/include/set_trends.h

@@ -48,6 +48,13 @@ PCAN_ABI_API int set_trend_watch_ack(
 PCAN_ABI_API int set_trend_watch_values(
     const uint8_t *payload, size_t size, uint16_t *words, size_t capacity);
 
+/** Decode the complete GAS_WATCH_DATA payload including its device timestamp.
+ * This is the preferred ABI for GUI ports; the older values-only symbol remains
+ * available for binary compatibility.
+ */
+PCAN_ABI_API int set_trend_watch_decode(const uint8_t *payload, size_t size,
+    uint32_t *timestamp_ms, uint16_t *words, size_t capacity);
+
 #ifdef __cplusplus
 }
 #endif