auth_events.user_id was overloaded and meant something different per call
site: admin mutations filed the row under the target user and hid the acting
admin in metadata->>'by', team events filed it under the actor, and quota
events switched between the two depending on scope. The practical consequence
was that "show me everything admin X did" had no answer.
Adds actor_id (never NULL) and target_id (NULL when the event is not about a
user) alongside the existing column, which keeps its meaning as the per-user
feed key so nothing historical is rewritten. The backfill recovers the actor
from metadata for rows that predate the columns.
Also adds the indexes the cross-user admin feed needs. The only index was
(user_id, created_at DESC), so the global feed -- which orders by created_at
with no user predicate -- fell back to a sequential scan plus a sort on every
page.
The feed gains actor, multi-event, until and free-text search filters, plus a
distinct-event catalogue so the UI can offer what the instance recorded
instead of asking operators to type a name from memory.
Validation problems are returned as values rather than raised and echoed
with str(exc), and a huge integer limit is rejected as out of range instead
of overflowing. Tests no longer call mutating endpoints inside asserts.
The unpriced-model notice asked the live registry whether a model has a
price, so a priced model whose provider was later disabled showed up as
unpriced. It now lists models whose calls this period were all recorded at
$0. Token limits are serialized as integers.
Admins read and set the instance default, team allowances and user
overrides under /api/admin/quotas. A user's endpoint also returns the
limits those layers resolve to, the layer each came from and the usage
against them. The overview lists catalog models used this period that have
no price, since a cost limit cannot see them. Every write is audited.
GET /api/user/quota gives a user their own limited buckets, usage and reset
time without naming the policies behind them; any valid token may call it.