refactor(data): separate query lifetimes and guard async publication

[smiggleworth]

QueryCell combines reader definitions/cache retention with fetch generations, queued promise admission, reconciliation and state publication. Move reader slots, definition conflict checks/promotion, cache identity and timers into private QueryLifetime. QueryCell retains one generation/controller publication authority and invokes lifetime transitions through an explicit capability contract. The transition table covers initial/manual/invalidation/reconcile work, abort, reader handoff/reattachment, GC, ownerless handles and SSR. Public query contracts remain unchanged.

The transition probes reproduce six original-source failures across five paths:

• A consistency callback invalidates its own query, yet its obsolete consistent or inconsistent result replaces the retained snapshot.
• A callback error publishes after its replacement work is canceled.
• A predecessor's abort listener creates newer invalidation work, yet the obsolete start still calls transport.
• A reconciliation abort listener invalidates, then the old retry replaces that newer work and suppresses its next retry.
• An immediate-destruction abort listener mounts a reader for the same key and receives the destroyed cell still present in cache.

Capture/check one operation pair at each publication, recheck authority across user/abort callbacks, install the new controller before predecessor abort listeners run, and retire a destroyed cache identity before its abort callbacks. Eight new cases retain the succeeding operation's result/signal and prove both zero-retention replacement and retained-cache reattachment, late result rejection, refresh usability and final eviction.

Validation:

• Original source at c973ad0: five unit failures plus one jsdom failure; two characterization cases already pass. The extraction initially retains the original failures; fixes make all eight cases green.
• Before extraction: 55 data unit and 230 operations/owned-query/testing cases pass. After fixes: 61 data unit and 232 corresponding jsdom cases pass (including the two added transition cases).
• Complete Node 24.21.0 npm run check: 439 unit, 94 repository, 2,695 jsdom, 158 browser and 12 installed type fixtures; formatting, lint, build, public types, publint and artifact checks pass. Full validation was repeated after changing destruction order; final formatting/diff checks pass.
• Architecture guards test static/re-export/dynamic dependencies and keep the lifetime module independent of async state/publication. Six copied reader/definition method bodies remain identical; adapters retain lifecycle order except the tested destruction-cache fix.
• Three alternating query dedupe/key-switch/abort captures per phase, all invariants and positive finite samples: before means 0.048040/0.048610/0.047877 ms; after 0.048953/0.048854/0.048412 ms. Median +1.7%, with 12,257–12,533 samples per capture; no speedup or broader performance claim.
• Dated readiness records host-prop PR refactor(renderer): separate prop lifetimes and value writers #763 and its successful merge-head CI/CodeQL. Forty release issues remain at this pre-merge snapshot. No package versions, tags or publications change.

Closes #740.