docs: resolve OQ-04 — contract v1 pinned (ADR-008): surface partition, TxHandle-on-handle-trait, Wake/WakeReceiver, reserved __alkstore_ namespace, error taxonomy, engine-crate constructors, locks guarantee row

docs/architecture/decisions/006-wake-and-delivery-contract.md

@@ -2,8 +2,9 @@
 
 ## Status
 
-Accepted (the contract skeleton the evidence supports); remaining
-surface pinning is OQ-04's contract work against this ADR
+Accepted (the contract skeleton the evidence supports); the surface
+pinning is done — [ADR-008](008-contract-v1-pinning.md) §3/§4 pin the
+wake type and the reserved strings
 
 ## Context
 
@@ -74,9 +75,9 @@ coalesced-but-complete re-read on SQLite).
 The Postgres forwarder's synthetic reconnect-wake needs a reserved
 channel namespace no consumer channel may collide with. The naming
 convention for reserved/meta channels (and any internal queue/stream
-names) is pinned in the core contract — exact strings are OQ-04
-contract work; the *existence of a reserved namespace* is decided
-here.
+names) is pinned in the core contract — exact strings pinned by
+[ADR-008](008-contract-v1-pinning.md) §4; the *existence of a reserved
+namespace* is decided here.
 
 ### The caching-subscriber pattern rides the same contract
 
@@ -116,8 +117,8 @@ consumer-inventory-row-gated extension — not assumed now.
   §"What feeds where"; `docs/research/poc-pg-posture-findings.md`
   §Sub-module W.
 - OQ-ST-04 (`docs/research/phase-0.md`) — de-risked by these
-  measurements; the contract remainder is OQ-04 +
-  `core-contract.md`.
+  measurements; the contract remainder resolved by
+  [ADR-008](008-contract-v1-pinning.md) over `core-contract.md`.
 - [ADR-002](002-feature-scope.md) — notify/listen and streams are
   first-class; the guarantee split is why both exist.
 - [ADR-004](004-postgres-driver.md) — the forwarder owning the