fix(protocol): improve terminator frame detection in write_blastware_file.

fix: rename .n00 to just blastware file (.n00 was false positive)

sfm/server.py

@@ -61,7 +61,7 @@ from minimateplus import MiniMateClient
 from minimateplus.protocol import ProtocolError
 from minimateplus.models import CallHomeConfig, ComplianceConfig, DeviceInfo, Event, PeakValues, ProjectInfo, Timestamp
 from minimateplus.transport import TcpTransport, DEFAULT_TCP_PORT
-from minimateplus.blastware_file import write_n00, blastware_filename
+from minimateplus.blastware_file import write_blastware_file, blastware_filename
 from sfm.cache import SFMCache, get_cache
 from sfm.database import SeismoDb
 
@@ -874,7 +874,7 @@ def device_event_blastware_file(
                         to be populated from compliance config)
 
     Performs: POLL startup → get_events(full_waveform=False, stop_after_index=index)
-    → write_n00() → FileResponse.
+    → write_blastware_file() → FileResponse.
     """
     log.info(
         "GET /device/event/%d/blastware_file  port=%s host=%s",
@@ -890,7 +890,7 @@ def device_event_blastware_file(
                 # the full bulk download.  Using full_waveform=True produces a file
                 # ~8x larger than Blastware's because it includes all post-event
                 # silence chunks.  The metadata-only a5_frames (with terminator) are
-                # sufficient for byte-perfect write_n00 output.
+                # sufficient for byte-perfect write_blastware_file output.
                 events = client.get_events(full_waveform=False, stop_after_index=index)
                 matching = [ev for ev in events if ev.index == index]
                 return matching[0] if matching else None, info
@@ -928,7 +928,7 @@ def device_event_blastware_file(
 
     # Write to /tmp so FastAPI can stream it back
     out_path = Path("/tmp") / filename
-    write_n00(ev, a5_frames, out_path)
+    write_blastware_file(ev, a5_frames, out_path)
     log.info(
         "blastware_file: wrote %s (%d A5 frames, serial=%s)",
         out_path, len(a5_frames), serial,