Additive, non-breaking schema prep for the Option D live-evaluation ACL:
- Request gains keyUserId (FK) + @@index([keyUserId, method]) so token
usage caps can be derived live by COUNTing allowed Requests, replacing
the never-enforced mutable PolicyRule.currentUsageCount (derive-don't-count,
per lnbits/nostr_bunker prior art).
- SigningCondition gains createdAt/expiresAt/revokedAt so the manual-override
layer carries its own lifecycle and runs through the same grantIsLive(now)
predicate as token grants (D1: two typed sources, one shared rule).
No behavior change yet; the ACL hot path and applyToken de-materialization
follow in subsequent commits.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Padreug
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