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Eva
1d6f77d254
Ephemeral kinds (20000-29999) are never persisted — buzz-db rejects them
with EphemeralEventRejected — yet WS admission billed every EVENT frame
against the per-minute Messages budget regardless of kind. An agent's
telemetry alone (observer 90/min + typing + presence ≈ 111/min vs the
120/min standard-agent budget) could exhaust the durable-message quota
without a single durable write. Admission now uses the same
is_ephemeral() range check the storage layer and the EVENT handler's
scope gate already use: ephemeral frames ride on the WsEvents budget
alone.
Also name the exhausted budget in quota rejections, on both transports:
the NOTICE/CLOSED/429 text becomes
'rate-limited: quota exceeded ({msg|ws|api}); retry in {N}s' and the
buzz_admission_rejections_total quota counter gains a limit_type label.
The 'rate-limited:' prefix and 'retry in {N}s' hint that all clients
parse by substring are unchanged. This is the discriminator needed to
attribute short-TTL denials (WsEvents' 5s window vs Messages' 60s
window overlap below 5s) that field logs could not distinguish.
Co-authored-by: Eva <011987e296fd5006292d2f930b574be47c7801048d1983c46c425d3c95f0cffd@buzz.block.builderlab.xyz>
Signed-off-by: Eva <011987e296fd5006292d2f930b574be47c7801048d1983c46c425d3c95f0cffd@buzz.block.builderlab.xyz>