fix: expose physical aliasing and delayed arrivals

apps/dataset-builder/main.js

@@ -190,7 +190,7 @@ function renderSourceCards() {
     name.title = source.name;
     heading.append(dot, name);
     const signal = document.createElement("small");
-    signal.textContent = describeSignal(source.signal);
+    signal.textContent = describeSignal(source.signal, state.scene.sampleRate);
     const position = document.createElement("small");
     const motion = Array.isArray(source.trajectory) ? ` · 이동 ${source.trajectory.length}점` : "";
     position.textContent = `x ${source.position[0].toFixed(2)} · y ${source.position[1].toFixed(2)} · z ${source.position[2].toFixed(2)} m${motion}`;
@@ -683,6 +683,7 @@ function bindSceneControls() {
       if (asset.kind === "audio") state.assetErrors.delete(asset.id);
     }
     renderAssetList();
+    renderSourceCards();
   }, "change");
   bindInput("speed-of-sound", (input) => { state.scene.speedOfSound = numberFrom(input); });
   bindInput("scene-seed", (input) => { state.scene.seed = numberFrom(input); });