fix: continue to debug and fix strt amd waveform weirdness

minimateplus/client.py

@@ -1366,11 +1366,13 @@ def _decode_a5_waveform(
     cumulative global byte offset; at each new frame, the starting alignment
     within the T,V,L,M cycle is (global_offset % 8).
 
-    Confirmed sizes from 4-2-26 (A5[0..8], skipping A5[7] metadata frame
-    and A5[9] terminator):
+    Confirmed sizes from 4-2-26 blast capture (A5[0..8], metadata at A5[7]):
         Frame 0: 934B  Frame 1: 963B  Frame 2: 946B  Frame 3: 960B
         Frame 4: 952B  Frame 5: 946B  Frame 6: 941B  Frame 8: 992B
     — none are multiples of 8.
+    NOTE: Metadata frame position is variable — at fi==7 for blast events
+    (4-2-26 capture) and fi==6 for desk-thump events (2026-04-14 confirmed).
+    The dynamic b"Project:" detection handles both cases.
 
     ── Modifies event in-place. ─────────────────────────────────────────────────
     """
@@ -1454,9 +1456,14 @@ def _decode_a5_waveform(
                 wave[:24].hex(' '),
             )
 
-        # Frame 7 carries event-time metadata strings ("Project:", "Client:", …)
-        # and no waveform ADC data.
-        elif fi == 7:
+        # Metadata frame: contains "Project:", "Client:", etc. strings.
+        # Originally assumed to be always fi==7 (A5[7] in 4-2-26 blast capture),
+        # but confirmed variable position — it appears at whatever chunk index the
+        # device places it (observed at fi=6 for desk-thump events 2026-04-14).
+        # Skip ANY frame whose raw bytes contain b"Project:" — this is the same
+        # anchor used by stop_after_metadata in read_bulk_waveform_stream.
+        elif b"Project:" in w:
+            log.info("_decode_a5_waveform: fi=%d skipped (metadata frame)", fi)
             continue
 
         # Terminator frames have page_key=0x0000 and are excluded upstream