Sync appears successful, but Send/Receive failed

[myieye]

Describe the bug
(trace)

Sync result:

fw-headless logs:

info: SendReceive[0]
Finished splitting up projec
t file: fw.fwdata
info: SendReceive[0]
Sending changes to LexBox
info: SendReceive[0]
Could not send to http://lf-merge:********@lexbox:5158/hg/
abort: HTTP Error 500: Internal Server Error

  hg command was
  push --new-branch  "http://lf-merge:********@lexbox:5158/hg/<project-code>" 
  hg version is Mercurial Distributed SCM (version 6.5.1)
  (see https://mercurial-scm.org for more information)

info: SendReceive[0]
Done
info: FwHeadless.Services.SyncWorker[0]
Send/Receive result after CRDT sync: Sync success: No changes from others
New long SHA: cd2ac81cf841231386527f7d340d87a9a395b988

Database logs (signal 9: Killed):
(see #2058)

2025-10-20 05:54:32.545 UTC [3075301] WARNING: collation "case_insensitive" has version mismatch
2025-10-20 05:54:32.545 UTC [3075301] DETAIL: The collation in the database was created using version 153.120, but the operating system provides version 153.121.
2025-10-20 05:54:32.545 UTC [3075301] HINT: Rebuild all objects affected by this collation and run ALTER COLLATION public.case_insensitive REFRESH VERSION, or build PostgreSQL with the right library version.
2025-10-20 05:54:53.441 UTC [1] LOG: server process (PID 3075485) was terminated by signal 9: Killed
2025-10-20 05:54:53.441 UTC [1] DETAIL: Failed process was running: autovacuum: ANALYZE public.CrdtCommits
2025-10-20 05:54:53.442 UTC [1] LOG: terminating any other active server processes
2025-10-20 05:54:53.450 UTC [1] LOG: all server processes terminated; reinitializing
2025-10-20 05:54:53.535 UTC [3075493] LOG: database system was interrupted; last known up at 2025-10-20 05:54:23 UTC
2025-10-20 05:54:53.538 UTC [3075496] FATAL: the database system is in recovery mode
2025-10-20 05:54:53.600 UTC [3075493] LOG: database system was not properly shut down; automatic recovery in progress
2025-10-20 05:54:53.615 UTC [3075493] LOG: redo starts at 1/91FB3938
2025-10-20 05:54:53.768 UTC [3075493] LOG: invalid record length at 1/9280B050: wanted 24, got 0
2025-10-20 05:54:53.768 UTC [3075493] LOG: redo done at 1/9280B018 system usage: CPU: user: 0.03 s, system: 0.03 s, elapsed: 0.15 s
2025-10-20 05:54:53.800 UTC [3075494] LOG: checkpoint starting: end-of-recovery immediate wait
2025-10-20 05:54:54.028 UTC [3075494] LOG: checkpoint complete: wrote 1139 buffers (7.0%); 0 WAL file(s) added, 0 removed, 1 recycled; write=0.170 s, sync=0.024 s, total=0.238 s; sync files=59, longest=0.014 s, average=0.001 s; distance=8541 kB, estimate=8541 kB
2025-10-20 05:54:54.042 UTC [1] LOG: database system is ready to accept connections
2025-10-20 06:04:02.470 UTC [3075955] WARNING: collation "case_insensitive" has version mismatch
2025-10-20 06:04:02.470 UTC [3075955] DETAIL: The collation in the database was created using version 153.120, but the operating system provides version 153.121.
2025-10-20 06:04:02.470 UTC [3075955] HINT: Rebuild all objects affected by this collation and run ALTER COLLATION public.case_insensitive REFRESH VERSION, or build PostgreSQL with the right library version.

Expected behavior
The Sync should have explicitly failed.