Exercise Ixian Nexus expansion games

docs/VERIFICATION_WORKFLOW.md

@@ -106,6 +106,7 @@ node --import tsx tools/faction-games.ts --out /tmp/dune-new-ecaz-roster --profi
 node --import tsx tools/faction-games.ts --out /tmp/dune-new-ix-roster --profile ix-roster
 node --import tsx tools/faction-games.ts --out /tmp/dune-new-choam-nexus --profile choam-nexus
 node --import tsx tools/faction-games.ts --out /tmp/dune-new-ecaz-nexus --profile ecaz-nexus
+node --import tsx tools/faction-games.ts --out /tmp/dune-new-ix-nexus --profile ix-nexus
 node --import tsx tools/faction-games.ts --out /tmp/dune-new-nexus-three --profile nexus --players 3 --rules advanced
 node --import tsx tools/faction-games.ts --out /tmp/dune-new-resume --resume /private/failed-combined-advanced.json
 ```
@@ -114,8 +115,8 @@ Default and `--profile all` retain the original six fixed CHOAM/Richese,
 Ecaz/Moritani and combined Basic/Advanced samples. `--profile base` selects ten
 additional samples: Basic and Advanced with two through six players.
 `--players 2..6` narrows the base, Homeworld, Nexus, combined
-`homeworld-nexus`, `choam-roster`, `ecaz-roster`, `ix-roster`, `choam-nexus`
-or `ecaz-nexus` profile; omission or `all` retains all five counts. The fixed
+`homeworld-nexus`, `choam-roster`, `ecaz-roster`, `ix-roster`, `choam-nexus`,
+`ecaz-nexus` or `ix-nexus` profile; omission or `all` retains all five counts. The fixed
 base roster adds Atreides, Harkonnen, Fremen, Emperor, Guild and Bene Gesserit
 in that order. These are sample rosters, not the only rules-permitted
 player-count configurations. Each optional module profile runs two through
@@ -125,9 +126,9 @@ respective physical expansion enabled: CHOAM/Richese start with CHOAM then
 Richese, Ecaz/Moritani with Moritani then Ecaz, Ixian/Tleilaxu with Ixians
 then Tleilaxu. Subsequent seats extend each to six without changing existing
 fixed four-seat samples. Their seed offsets are 68–77, 78–87 and 88–97.
-`choam-nexus` and `ecaz-nexus` reuse the respective expansion rosters with Nexus
-Cards enabled at seed offsets 98–107 and 108–117, respectively. The original
-six default samples are unchanged.
+`choam-nexus`, `ecaz-nexus` and `ix-nexus` reuse the respective expansion
+rosters with Nexus Cards enabled at seed offsets 98–107, 108–117 and 118–127,
+respectively. The original six default samples are unchanged.
 Output names include the player count. Homeworld's original four-seat seed
 offsets remain 36–37; its other rosters use 48–51 and 54–57. Nexus's six-seat
 offsets remain 38–39; its smaller rosters use 40–47. The combined module uses