fix: update STRT parsing to extract additional bytes for total_samples and pretrig_samples

minimateplus/client.py

@@ -1389,11 +1389,18 @@ def _decode_a5_waveform(
     #
     # NOTE: strt[8:10] is the LOWER 2 bytes of key4, NOT total_samples.
     # Confirmed from raw_rx capture (4-9-26): strt[14:16] = total_samples. ✅
-    strt = w0[strt_pos : strt_pos + 21]
+    # Extract 32 bytes so we can see past the first 21 — the true total_samples
+    # and pretrig_samples offsets have not yet been confirmed and may be > +20.
+    strt = w0[strt_pos : strt_pos + 32]
     if len(strt) < 21:
         log.warning("_decode_a5_waveform: STRT record truncated (%dB)", len(strt))
         return
 
+    log.info(
+        "_decode_a5_waveform: STRT raw[0:32]: %s",
+        strt[:32].hex(' '),
+    )
+
     total_samples   = struct.unpack_from(">H", strt, 14)[0]
     pretrig_samples = struct.unpack_from(">H", strt, 16)[0]