poller: seen cap 20000 + per-room watermark, so evicted old ids never resurface as new - #95

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fix/poller-stale-gate

Sep 6, 2026

Commits on Sep 2, 2026

poller: never deliver a message first seen when already old; seen cap 20000

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claude
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784ded0
poller: the code for the stale gate and the 20000 seen cap (the previous commit carried only the test)

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claude
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d4d98a1
tests: fresh fixture timestamps for the poller's age gate; assert on lines, not text

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claude
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ba17235
poller: drop the age gate, keep the 20000 seen cap

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claude
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93293f5
poller: per-room watermark so evicted old ids never resurface as new (complements #95)

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da83693
poller: classify a batch against the pre-batch watermark, advance once after (codex review of #95)

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claude
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693016a