Sync fails with `failed to fetch message (nil response)` messages

[chbndrhnns]

Can I somehow retry the failed ones or see more details?
It seems a sync call usually has quite some of these errors.

❯ msgvault sync
Starting incremental sync for x
Last history ID: 47736404

time=2026-04-12T20:58:37.347+02:00 level=INFO msg="incremental sync" email=x start_history=47736404 current_history=47744027
time=2026-04-12T20:58:49.762+02:00 level=WARN msg="failed to fetch message (nil response)" id=19d82dcddb1ad16a
time=2026-04-12T20:58:49.762+02:00 level=WARN msg="failed to fetch message (nil response)" id=19d82deaa474af7f
time=2026-04-12T20:58:49.782+02:00 level=WARN msg="failed to fetch message (nil response)" id=19d82dede37aeab9
time=2026-04-12T20:58:49.783+02:00 level=WARN msg="failed to fetch message (nil response)" id=19d82df512f6b1de
time=2026-04-12T20:58:49.783+02:00 level=WARN msg="failed to fetch message (nil response)" id=19d82dfb34d2c423
time=2026-04-12T20:58:49.783+02:00 level=WARN msg="failed to fetch message (nil response)" id=19d82dfc9649b0c5
time=2026-04-12T20:58:49.783+02:00 level=WARN msg="failed to fetch message (nil response)" id=19d7da9c5262c139
time=2026-04-12T20:58:49.800+02:00 level=WARN msg="failed to fetch message (nil response)" id=19d82de7ae7ae06b
time=2026-04-12T20:58:49.800+02:00 level=WARN msg="failed to fetch message (nil response)" id=19d82df5f3b257d2
time=2026-04-12T20:58:49.813+02:00 level=WARN msg="failed to fetch message (nil response)" id=19d82dfcaaa2f545
time=2026-04-12T20:58:49.833+02:00 level=WARN msg="failed to fetch message (nil response)" id=19d82df1aa2ae498
time=2026-04-12T20:58:49.844+02:00 level=WARN msg="failed to fetch message (nil response)" id=19d82defdaed05bb
time=2026-04-12T20:58:49.867+02:00 level=WARN msg="failed to fetch message (nil response)" id=19d82df446284ffe
time=2026-04-12T20:58:50.826+02:00 level=WARN msg="incremental sync completed with errors" errors=13 history_id=47744027


Sync complete!
  Duration:      14s
  Changes:       190 processed, 59 added
  Downloaded:    6.38 MB
  Errors:        13
time=2026-04-12T20:58:50.827+02:00 level=INFO msg="incremental sync completed" email=x messages_added=59 elapsed=14.309251333s
Full rebuild: clearing existing cache...
Building cache...
  messages...               done (681ms)
  message_recipients...     done (215ms)
  message_labels...         done (82ms)
  attachments...            done (91ms)
  participants...           done (48ms)
  labels...                 done (2ms)
  sources...                done (2ms)
  conversations...          done (133ms)
  Total:                    1.254s
time=2026-04-12T20:58:52.189+02:00 level=INFO msg="cache rebuilt" exported=46615