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fix: enforce TTL in MessageDeduplicator + use yaml for gateway --config (#10306, #10216) (#10509)

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Two gateway fixes:

1. MessageDeduplicator.is_duplicate() now checks TTL at query time (#10306)

   Previously, is_duplicate() returned True for any previously seen ID
   without checking its age — expired entries were only purged when cache
   size exceeded max_size.  On normal workloads that never overflow, message
   IDs stayed deduplicated forever instead of expiring after the TTL.

   Fix: check `now - timestamp < ttl` before returning True.  Expired
   entries are removed and treated as new messages.

2. Gateway --config flag now uses yaml.safe_load() (#10216)

   The --config CLI flag in gateway/run.py main() used json.load() to
   parse config files.  YAML is the only documented config format and
   every other config loader uses yaml.safe_load().  A YAML config file
   passed via --config would crash with json.JSONDecodeError.

Closes #10306
Closes #10216
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Teknium 2026-04-15 13:35:40 -07:00 • committed by GitHub
parent af4bf505b3
commit 2edbf15560
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3 changed files with 95 additions and 3 deletions
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5
gateway/platforms/helpers.py
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@ -49,7 +49,10 @@ class MessageDeduplicator:
return False
now = time.time()
if msg_id in self._seen:
return True
if now - self._seen[msg_id] < self._ttl:
return True
# Entry has expired — remove it and treat as new
del self._seen[msg_id]
self._seen[msg_id] = now
if len(self._seen) > self._max_size:
cutoff = now - self._ttl