Feature flags: flip once, everywhere
Two live.flag declarations on the server. The
operator card calls a setFlag RPC that validates
and runs flag.set(value); the new value reaches
every connected client instantly and replays cluster-latest to
fresh connects. The user card renders the live result - open a
second tab and flip a toggle to watch both update together.
You are the operator
Loading flag values...
You are the user
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Old checkout
The battle-tested three-step flow.
your bucket: 57 / 99
rollout: 0% (off)
Bucketing is client-side demo logic: a stable hash of your
identity id into 0-99, shown new when bucket < rolloutPct. The server-pushed part is
the flag value itself.