Recorder write file has some error

[a-wing]

Bug begin at #356

When I enable features=recorder.

The record log. but, there record has some bug

% ls -lh storage/h264/1780846568
total 712
-rw-r--r--@ 1 metal  staff   580B Jun  7 23:36 a_init.m4s
-rw-r--r--@ 1 metal  staff    83K Jun  7 23:36 a_seg_0001.m4s
-rw-r--r--@ 1 metal  staff    84K Jun  7 23:36 a_seg_0002.m4s
-rw-r--r--@ 1 metal  staff    84K Jun  7 23:36 a_seg_0003.m4s
-rw-r--r--@ 1 metal  staff    84K Jun  7 23:36 a_seg_0004.m4s
-rw-r--r--@ 1 metal  staff   1.3K Jun  7 23:36 manifest.mpd

live777 log:

2026-06-07T15:36:53.714553Z DEBUG ThreadId(09) liveion::forward::internal::rtcp_egress_probe: liveion/src/forward/internal.rs:340: [h264] [rtcp-egress-probe] outgoing TWCC feedback count=637 sender_ssrc=2409522531 media_ssrc=2085260023 base_seq=16621 status_count=19
2026-06-07T15:36:53.814666Z DEBUG ThreadId(05) liveion::forward::track: liveion/src/forward/track.rs:413: [h264] [88ac582ee897bbd10d576456ee6211dd] [twcc-probe] wrote manual TWCC feedback packets=1
2026-06-07T15:36:53.816171Z DEBUG ThreadId(06) liveion::forward::internal::rtcp_egress_probe: liveion/src/forward/internal.rs:340: [h264] [rtcp-egress-probe] outgoing TWCC feedback count=638 sender_ssrc=2409522531 media_ssrc=2085260023 base_seq=16640 status_count=20
2026-06-07T15:36:53.856220Z DEBUG ThreadId(09) liveion::forward::internal::rtcp_egress_probe: liveion/src/forward/internal.rs:530: [h264] [rtcp-egress-probe] poll_write_calls=20701 non_empty=655 rtp=0 twcc=638 rr=0 sr=0 pli=17 fir=0 nack=0 remb=0 other=0
2026-06-07T15:36:53.914701Z DEBUG ThreadId(06) liveion::forward::track: liveion/src/forward/track.rs:413: [h264] [88ac582ee897bbd10d576456ee6211dd] [twcc-probe] wrote manual TWCC feedback packets=1
2026-06-07T15:36:53.914768Z DEBUG ThreadId(09) liveion::forward::internal::rtcp_egress_probe: liveion/src/forward/internal.rs:340: [h264] [rtcp-egress-probe] outgoing TWCC feedback count=639 sender_ssrc=2409522531 media_ssrc=2085260023 base_seq=16660 status_count=31
2026-06-07T15:36:54.014877Z DEBUG ThreadId(09) liveion::forward::track: liveion/src/forward/track.rs:413: [h264] [88ac582ee897bbd10d576456ee6211dd] [twcc-probe] wrote manual TWCC feedback packets=1
2026-06-07T15:36:54.014950Z DEBUG ThreadId(10) liveion::forward::internal::rtcp_egress_probe: liveion/src/forward/internal.rs:340: [h264] [rtcp-egress-probe] outgoing TWCC feedback count=640 sender_ssrc=2409522531 media_ssrc=2085260023 base_seq=16691 status_count=21
2026-06-07T15:36:54.115139Z DEBUG ThreadId(09) liveion::forward::track: liveion/src/forward/track.rs:413: [h264] [88ac582ee897bbd10d576456ee6211dd] [twcc-probe] wrote manual TWCC feedback packets=1
2026-06-07T15:36:54.115264Z DEBUG ThreadId(10) liveion::forward::internal::rtcp_egress_probe: liveion/src/forward/internal.rs:340: [h264] [rtcp-egress-probe] outgoing TWCC feedback count=641 sender_ssrc=2409522531 media_ssrc=2085260023 base_seq=16712 status_count=21
2026-06-07T15:36:54.235181Z DEBUG ThreadId(06) liveion::forward::track: liveion/src/forward/track.rs:413: [h264] [88ac582ee897bbd10d576456ee6211dd] [twcc-probe] wrote manual TWCC feedback packets=1
2026-06-07T15:36:54.235337Z DEBUG ThreadId(09) liveion::forward::internal::rtcp_egress_probe: liveion/src/forward/internal.rs:340: [h264] [rtcp-egress-probe] outgoing TWCC feedback count=642 sender_ssrc=2409522531 media_ssrc=2085260023 base_seq=16733 status_count=24
2026-06-07T15:36:54.256894Z DEBUG ThreadId(06) liveion::forward::track: liveion/src/forward/track.rs:413: [h264] [88ac582ee897bbd10d576456ee6211dd] [twcc-probe] wrote manual TWCC feedback packets=1
2026-06-07T15:36:54.257023Z DEBUG ThreadId(10) liveion::forward::internal::rtcp_egress_probe: liveion/src/forward/internal.rs:340: [h264] [rtcp-egress-probe] outgoing TWCC feedback count=643 sender_ssrc=2409522531 media_ssrc=325902749 base_seq=16765 status_count=1
2026-06-07T15:36:54.374867Z DEBUG ThreadId(09) liveion::forward::track: liveion/src/forward/track.rs:413: [h264] [88ac582ee897bbd10d576456ee6211dd] [twcc-probe] wrote manual TWCC feedback packets=1
2026-06-07T15:36:54.375006Z DEBUG ThreadId(05) liveion::forward::internal::rtcp_egress_probe: liveion/src/forward/internal.rs:340: [h264] [rtcp-egress-probe] outgoing TWCC feedback count=644 sender_ssrc=2409522531 media_ssrc=2085260023 base_seq=16757 status_count=34