Three tests that would pass against a broken implementation:
- `kv`/`docs` cross-app isolation asserted only that app B sees nothing — an
execution_id-keyed (or script_id-keyed) bridge would pass that AND every
single-execution round-trip, with app-scoped persistence entirely gone. Added
the positive control: app A re-reads its own value in a LATER execution (a fresh
execution_id/script_id via `baseline_request`), which only holds if storage is
keyed by app_id.
- `retry_policy_rejects_bogus_backoff` asserted a bare `is_err()`, which passes if
`retry::policy` is unregistered (ErrorFunctionNotFound), on a script typo, or if
every policy is rejected. Now it pins the message (`backoff`) and adds a
valid-backoff control that must succeed.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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