canaryBucket (src/canary.ts)

* Canary rollouts — ship a change to a stable slice of installs instead of all-or-nothing. The problem this solves: the repo has ~49 `HF_*` / `PRODUCER_*` boolean toggles, and every one of them is binary. A change is either off (and therefore untested on real traffic) or on for e

// Source: https://github.com/ZERO-DAWN-X/hyperframes | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
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/**
 * Canary rollouts — ship a change to a stable slice of installs instead of
 * all-or-nothing.
 *
 * The problem this solves: the repo has ~49 `HF_*` / `PRODUCER_*` boolean
 * toggles, and every one of them is binary. A change is either off (and
 * therefore untested on real traffic) or on for everyone (and therefore a
 * fleet-wide bet). The parallel-drawElement router spent weeks in that gap:
 * default-off collected almost no signal, and flipping it default-on exposed
 * 100% of eligible installs at once. A percentage slice is the missing rung.
 *
 * Design notes worth know

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