diff --git a/CHANGELOG.adoc b/CHANGELOG.adoc
index 33bac8ab..414748a2 100644
--- a/CHANGELOG.adoc
+++ b/CHANGELOG.adoc
@@ -23,6 +23,9 @@ kept so existing scripts fail loudly (Refs #56)
 
 ==== Added
 
+* PixiUI: rename extern type `List` → `UiList` so `use PixiUI` typechecks
+against prelude `List<T>` (kind mismatch). Harness actually imports
+`smokeIdaptikReach` / Assets mock. Smokes compile + run (Refs #760)
 * Pixi/UI/Sound idaptik-reached remainder (#760): Graphics
 circle/stroke/roundRect/path, per-axis Container x/y, parent Option,
 interactiveChildren, ObservablePoint.set, Texture.WHITE, Assets
diff --git a/stdlib/PixiUI.affine b/stdlib/PixiUI.affine
index 1977559f..a672af0c 100644
--- a/stdlib/PixiUI.affine
+++ b/stdlib/PixiUI.affine
@@ -119,7 +119,7 @@ pub extern fn pixiUiSwitchAsContainer(sw: Switch) -> Container;
 // ── ProgressBar / List / Input (#56 gap-fill) ──────────────────────
 
 pub extern type ProgressBar;
-pub extern type List;
+pub extern type UiList;
 pub extern type Input;
 
 /// `new PixiUI.ProgressBar(options)`.
@@ -129,10 +129,10 @@ pub extern fn pixiUiProgressBarNew(options: Json) -> ProgressBar;
 pub extern fn pixiUiProgressBarAsContainer(p: ProgressBar) -> Container;
 
 /// `new PixiUI.List(options)`.
-pub extern fn pixiUiListNew(options: Json) -> List;
+pub extern fn pixiUiListNew(options: Json) -> UiList;
 
 /// Upcast List → Container. Zero-cost identity lowering.
-pub extern fn pixiUiListAsContainer(l: List) -> Container;
+pub extern fn pixiUiListAsContainer(l: UiList) -> Container;
 
 /// `new PixiUI.Input(options)`.
 pub extern fn pixiUiInputNew(options: Json) -> Input;
@@ -163,7 +163,7 @@ pub extern fn pixiUiSliderSetValue(s: Slider, v: Float) -> Int;
 pub extern fn pixiUiSliderAddChild(s: Slider, child: Json) -> Int;
 
 /// `list.addChild(child)`.
-pub extern fn pixiUiListAddChild(l: List, child: Json) -> Int;
+pub extern fn pixiUiListAddChild(l: UiList, child: Json) -> Int;
 
 /// `input.value` getter/setter + enter/change signals.
 pub extern fn pixiUiInputValue(i: Input) -> String;
diff --git a/tests/codegen-deno/pixi_smoke.harness.mjs b/tests/codegen-deno/pixi_smoke.harness.mjs
index a716b038..dbdcdab3 100644
--- a/tests/codegen-deno/pixi_smoke.harness.mjs
+++ b/tests/codegen-deno/pixi_smoke.harness.mjs
@@ -118,12 +118,21 @@ class MockApplication {
   constructor() {
     this.stage = new MockContainer();
     this.canvas = { tagName: "CANVAS" };
-    this.ticker = { add() {}, start() {}, stop() {} };
+    this.ticker = { deltaTime: 1.5, add() {}, start() {}, stop() {}, remove() {} };
+    this.renderer = {
+      width: 800,
+      height: 600,
+      resize(w, h) { this.width = w; this.height = h; operationsLog.push("rendererResize"); },
+    };
   }
   async init(options) { initCalls.push(options); }
   destroy() { operationsLog.push("appDestroy"); }
 }
 
+const assetInits = [];
+const bundles = [];
+const bgBundles = [];
+
 globalThis.__as_pixi = {
   Application: MockApplication,
   Container: MockContainer,
@@ -136,11 +145,17 @@ globalThis.__as_pixi = {
   BlurFilter: MockBlurFilter,
   NineSliceSprite: MockNineSliceSprite,
   Texture: {
+    WHITE: { __mockTexture: true, url: "WHITE" },
     from(url) { textureUrls.push(url); return { __mockTexture: true, url }; },
   },
+  Assets: {
+    async init(options) { assetInits.push(options); },
+    async loadBundle(name) { bundles.push(name); },
+    backgroundLoadBundle(names) { bgBundles.push(...names); },
+  },
 };
 
-const { smokeInit, smokeSpriteFlow, smokeGraphicsFlow, smokeAccessorsFlow, smokeGapFill } = await import("./pixi_smoke.bun.js");
+const { smokeInit, smokeSpriteFlow, smokeGraphicsFlow, smokeAccessorsFlow, smokeGapFill, smokeIdaptikReach, smokeAssets } = await import("./pixi_smoke.bun.js");
 
 // Async init returns an Application after `await app.init(options)`
 const app = await smokeInit({ width: 800, height: 600, backgroundColor: 0x1099bb });
diff --git a/tests/codegen-deno/pixiui_smoke.affine b/tests/codegen-deno/pixiui_smoke.affine
index fa85948f..dfccf74f 100644
--- a/tests/codegen-deno/pixiui_smoke.affine
+++ b/tests/codegen-deno/pixiui_smoke.affine
@@ -6,7 +6,7 @@
 // registration, and upcast → Container for each MVP component.
 
 use Deno::{Json};
-use PixiUI::{Button, FancyButton, Slider, Switch, Container, Input, List, ProgressBar, pixiUiButtonNew, pixiUiButtonOnPress, pixiUiButtonAsContainer, pixiUiFancyButtonNew, pixiUiFancyButtonAsContainer, pixiUiFancyButtonOnPress, pixiUiFancyButtonOnDown, pixiUiFancyButtonOnHover, pixiUiSliderNew, pixiUiSliderOnUpdate, pixiUiSliderAsContainer, pixiUiSliderSetValue, pixiUiSliderValue, pixiUiSliderAddChild, pixiUiSwitchNew, pixiUiSwitchOnChange, pixiUiSwitchAsContainer, pixiUiProgressBarNew, pixiUiProgressBarAsContainer, pixiUiProgressBarSetProgress, pixiUiProgressBarProgress, pixiUiListNew, pixiUiListAsContainer, pixiUiListAddChild, pixiUiInputNew, pixiUiInputAsContainer, pixiUiInputValue, pixiUiInputSetValue, pixiUiInputOnEnter, pixiUiInputOnChange};
+use PixiUI::{Button, FancyButton, Slider, Switch, Container, Input, ProgressBar, pixiUiButtonNew, pixiUiButtonOnPress, pixiUiButtonAsContainer, pixiUiFancyButtonNew, pixiUiFancyButtonAsContainer, pixiUiFancyButtonOnPress, pixiUiFancyButtonOnDown, pixiUiFancyButtonOnHover, pixiUiSliderNew, pixiUiSliderOnUpdate, pixiUiSliderAsContainer, pixiUiSliderSetValue, pixiUiSliderValue, pixiUiSliderAddChild, pixiUiSwitchNew, pixiUiSwitchOnChange, pixiUiSwitchAsContainer, pixiUiProgressBarNew, pixiUiProgressBarAsContainer, pixiUiProgressBarSetProgress, pixiUiProgressBarProgress, pixiUiListNew, pixiUiListAsContainer, pixiUiListAddChild, pixiUiInputNew, pixiUiInputAsContainer, pixiUiInputValue, pixiUiInputSetValue, pixiUiInputOnEnter, pixiUiInputOnChange};
 
 pub fn smokeButton(options: Json, callback: Json) -> Container {
   let b = pixiUiButtonNew(options);