Krrish DholakiaandClaude Opus 4.7 ecd9a83e61 fix(adaptive_router): P2 review items — @updatedAt + snapshot samples ...

- Mark last_updated_at (AdaptiveRouterState) and last_activity_at
  (AdaptiveRouterSession) with @updatedAt so Prisma refreshes the
  timestamps on every write. Without this the fields stayed frozen at
  INSERT time and the last_activity_at index was misleading for any
  future TTL/eviction logic. Applied to all three schema.prisma copies;
  no migration SQL change needed (Prisma @updatedAt is a client-side
  annotation that doesn't touch DDL).

- get_state_snapshot: report cell.total_samples instead of alpha+beta
  for the 'samples' field. The previous value inflated every cell by
  the COLD_START_MASS prior (e.g. showed 10.0 before any real traffic
  arrived), which confused operators reading /adaptive_router/.../state.
  Updated docs + the snapshot test to match.

Also fixes two pre-existing merge-break syntax errors in router.py
(missing ')' on the AdaptiveRouter TYPE_CHECKING import; truncated
async_pre_routing_hook dispatch call for the adaptive router branch)
that were masking the rest of the file from the interpreter.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-04-21 16:27:01 -07:00

..

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fix(adaptive_router): P2 review items — @updatedAt + snapshot samples

2026-04-21 16:27:01 -07:00