Support Truthtrance on Basic Ixian auction knowledge

docs/CURRENT_STATUS.md

@@ -16,6 +16,15 @@ open mode gates.
 
 
 ## Current checkpoint and work
+**Basic Truthtrance and the Ixian auction pool — 28 October. Prototyped /
+Partial.** A named card can be compared with the respondent's recorded inspected
+group in Basic Bidding; the question does not claim the card remains for sale.
+Current phase and turn, native Ixian authority and matching controller are
+required. Unavailable or canceled inspection yields unknown. Eight related unit
+files pass 27 cases, including genuine native inspection, questions, private
+answers and all four legal bot profiles. Advanced, borrowed inspection, broader
+questions and deployed acceptance remain open. [Scope](TRUTHTRANCE_KNOWLEDGE.md#basic-ixian-auction-knowledge--28-october-2026).
+
 **Human-to-AI faction swaps — 28 October. Prototyped / Partial.** A human may
 exchange factions with an AI seat, which accepts immediately under a provisional
 policy. The action resets human readiness and preserves seats, controller mapping,

docs/IMPLEMENTATION_STATUS.md

@@ -1,5 +1,15 @@
 # Dune implementation status
 
+## 28 October 2026 — Basic Ixian auction-group Truthtrance
+
+A player may ask whether a named card appears in the Basic Ixian's recorded
+inspected auction group. Single and compound controls use public card names;
+only the eligible respondent sees the verified answer before replying. Missing, canceled, stale and
+unauthorized knowledge returns unknown. Eight focused unit files pass 27 cases,
+including actual Basic inspection and legal responses across all bot profiles.
+Advanced, borrowed inspection, broader questions and deployed acceptance remain
+open. [Scope](TRUTHTRANCE_KNOWLEDGE.md#basic-ixian-auction-knowledge--28-october-2026).
+
 ## 28 October 2026 — Human-to-AI faction swaps
 
 Humans can exchange with AI faction seats, which automatically accept under a

docs/RULE_DECISIONS.md

@@ -1,5 +1,15 @@
 # Rule decision index
 
+## Truthtrance and Basic Ixian auction knowledge — 28 October 2026
+
+The publisher FAQ permits game-related yes/no and compound questions. A named
+card may be compared with the Basic Ixian's recorded inspected auction group
+during the same Bidding phase and turn. The group is not an assertion about
+remaining unsold lots. Missing, canceled or unauthorized inspection yields an
+unknown answer; Advanced and borrowed Homeworld inspection remain separate.
+This selector is a bounded software interpretation, not a printed restriction.
+[Scope](TRUTHTRANCE_KNOWLEDGE.md#basic-ixian-auction-knowledge--28-october-2026).
+
 ## Faction allocation before setup — 28 October 2026
 
 The supplied revised rulebook, physical p. 4 (printed p. 2), describes random

docs/TRUTHTRANCE_KNOWLEDGE.md

@@ -1,5 +1,24 @@
 # Truthtrance: recorded predictions and storm knowledge
 
+## Basic Ixian auction knowledge — 28 October 2026
+
+**Prototyped / Partial.** The structured fact `{kind:'ixPoolPeek', name}`
+asks whether a named printed Treachery Card is in the Basic Ixian's recorded
+inspected auction group. The group records cards retained after Ixians returned
+one to the deck; it is not the current unsold lots, and retains cards sold
+afterward. The current Bidding phase and turn, native Ixian seat and matching
+recorded controller are required. A canceled, absent, stale or unauthorized
+inspection yields unknown. Other factions do not receive the group; the target
+alone sees the verified scalar, and the normal answer publishes the response.
+
+The [GF9 FAQ p. 8](https://www.gf9games.com/dune/wp-content/uploads/2020/11/Dune-FAQ-Nov-2020.pdf#page=8)
+permits game-related yes/no and compound questions. This selector and its
+boundary are a software interpretation, not a printed restriction. Advanced
+Technology and borrowed Homeworld inspection are separate and remain open.
+Eight related unit files pass 27 cases, including a genuine Basic inspection,
+private questions and all-profile responses. Missing and aged observations are
+explicitly staged; broader combinations and deployed acceptance remain open.
+
 ## Atreides ordinary auction knowledge — 27 October 2026
 
 **Prototyped / Partial.** The structured fact `{kind:'auctionPeek', name}` asks