B2: switch gates, epoch clock liveness, sample attribution, gradual window cap - #16

Merged

sshaplygin merged 8 commits into

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Sep 13, 2026

Commits on Sep 13, 2026

stability: hold the switch when either arm saw no traffic
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031a9e3
epoch: stop the request-driven clock from stalling under contention
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14a7af2
policies: pin golang-lru's Keys() order, correct the comments that assumed it
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febf104
migration: cap a gradual window with Settings.MigrationMaxRequests
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62ff099
test: cover Peek and Contains in the gradual-window zero-leak regression
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9d1531f
docs: warn that the TTL arm's expiry runs on the wall clock
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447b50e
shadow: stop crediting the outgoing policy's samples to the incoming one
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c73b023
bench: measure what a switch costs in the requests right after it
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5f8ef4e