Add opt-in printed Kull interception and saved counter continuation

docs/NEXUS_CHOAM_RUNTIME.md

@@ -1,6 +1,6 @@
 # CHOAM Nexus Cunning runtime
 
-This checkpoint integrates native CHOAM Cunning with five existing Worthless effects, in Basic and Advanced. It does not complete CHOAM, Nexus or the expansions. The [source contract](NEXUS_CHOAM_RULES.md) lists **six** effects: Kull Wahad's Karama-prevention reaction remains explicitly unavailable. CHOAM Secret Ally and Betrayal remain outside this implementation.
+This checkpoint integrates native CHOAM Cunning with five Worthless effects, in Basic and Advanced. It does not complete CHOAM, Nexus or the expansions. The [source contract](NEXUS_CHOAM_RULES.md) lists **six** effects: Kull Wahad remains unavailable **as a Cunning choice**. The later opt-in [printed Kull preview](CHOAM_KULL_DESIGN.md) excludes Nexus Cards, so it does not expand this five-effect runtime. CHOAM Secret Ally and Betrayal have separate later contracts and are not implemented by this Cunning checkpoint.
 
 ## Physical cost and timing
 
@@ -20,11 +20,11 @@ Playing Cunning spends its physical Nexus card and opens one ordinary CHOAM-effe
 
 The engine's owner-only `choamWorthless.plays` separates `source`, `effect`, the actual `card`, an optional Nexus `event`, and a blocking reason. The original printed-card descriptor remains available. [Shared options](../game/choam-power-options.ts) construct ordinary card actions unchanged and add the explicit effect/event only for a Nexus use. They fence stale events, actor identity and current interruptions, and use the server's source-specific blocking reason.
 
-The [cost selector](../components/choam-power-cost.tsx) is reused by the existing [storm](../components/choam-storm.tsx), [revival/range](../components/choam-worthless.tsx), [movement prevention](../components/choam-baliset.tsx) and [force return](../components/choam-gamont.tsx) panels. It names and inspects the real cost card separately from the effect, supports transport-busy state, and exposes blocked choices without offering an illegal action. Kull Wahad has a visible unavailable explanation. Public response text identifies the chosen effect rather than disclosing the private cost card's name.
+The [cost selector](../components/choam-power-cost.tsx) is reused by the existing [storm](../components/choam-storm.tsx), [revival/range](../components/choam-worthless.tsx), [movement prevention](../components/choam-baliset.tsx) and [force return](../components/choam-gamont.tsx) panels. It names and inspects the real cost card separately from the effect, supports transport-busy state, and exposes blocked choices without offering an illegal action. Cunning Kull Wahad has a visible unavailable explanation; approved printed-Kull timing is not Cunning runtime authorization. Public reaction windows and controls disclose neither hidden Nexus ownership nor CHOAM's private cost list.
 
 All four bot profiles use the same projected plays. They preserve printed effects first, then prefer lower-value legal Nexus fuel, retaining their existing public-target policies. Easy's existing policy of allowing free revival remains unchanged. The ordinary Trip to Gamont preservation policy still reserves that printed card during a closing market or cash-in even though playing it must wait for the next legal window. These are legal policy extensions, not a new AI calibration claim.
 
-Existing reactive windows depend on public circumstances rather than whether CHOAM holds a matching card. Cunning uses those same windows, so holding a private Nexus card does not introduce an identifying public wait. Opponents receive no private cost list. Saved engine receipts, cancellation and physical disposal are handled by the engine; consumer code does not reconstruct an opportunity from card names or old saves. The existing fresh-discard/Semuta priority remains unfinished and gated; this checkpoint does not implement a Semuta interruption for these effects.
+Existing reactive windows depend on public circumstances rather than whether CHOAM holds a matching card. Cunning uses those same windows, so holding a private Nexus card does not introduce an identifying public wait. Opponents receive no private cost list. Saved engine receipts, cancellation and physical disposal are handled by the engine; consumer code does not reconstruct an opportunity from card names or old saves. Later bounded Semuta integration does not establish every Cunning fresh-discard composition. Native Cunning remains subject to its ordinary Karama response; neither this checkpoint nor the separate printed-Kull preview grants blanket Nexus immunity.
 
 ## Recovery evidence