Add scene choice board node

tools/prompt_smoke.py

@@ -8956,6 +8956,7 @@ def smoke_node_scene_chain_registration() -> None:
         "SxCPHardcoreBranchOptions",
         "SxCPSceneOutput",
         "SxCPScenePairOutput",
+        "SxCPChoiceBoard",
     ]
     for node_name in required_nodes:
         _expect(node_name in sxcp_nodes.NODE_CLASS_MAPPINGS, f"{node_name} missing from node registry")
@@ -9245,6 +9246,39 @@ def smoke_node_scene_chain_registration() -> None:
         content_hard_seed_config.get("pose_seed") == 8899 and content_hard_seed_config.get("role_seed") == 8899,
         "Hardcore branch content_pose reroll did not reach hardcore pose and role seeds",
     )
+    choice_board_node = nodes["SxCPChoiceBoard"]()
+    choice_board_output = choice_board_node.build(
+        json.dumps(content_pair),
+        "hardcore_position_current",
+        "",
+        "",
+        "auto",
+        "auto",
+        "Woman A",
+        "",
+        "",
+    )
+    choice_result = choice_board_output["result"]
+    position_config = json.loads(choice_result[2])
+    board_json = json.loads(choice_result[4])
+    _expect(position_config.get("enabled"), "Choice Board did not emit active hardcore position config")
+    _expect(board_json.get("choices"), "Choice Board did not expose resolved choice rows")
+    location_board_output = choice_board_node.build(
+        json.dumps(content_pair),
+        "none",
+        "fixed private test location with repeated room anchors",
+        "",
+        "auto",
+        "auto",
+        "Woman A",
+        "",
+        "",
+    )
+    location_config = json.loads(location_board_output["result"][0])
+    _expect(
+        location_config.get("scene_entries", [{}])[0].get("prompt") == "fixed private test location with repeated room anchors",
+        "Choice Board did not convert location override into a replace location config",
+    )
 
 
 def smoke_node_builder_registration() -> None: