fix(assets): publish controllable traffic signal runtime

scripts/test-preview-assets.js

@@ -257,6 +257,8 @@ assert.match(html, /data-view-mode="inspect"/);
 assert.match(html, /id="semanticToggles" class="control-subgroup hidden"/);
 
 const previewRuntime = fs.readFileSync(path.join(__dirname, "lib", "cesium-preview.js"), "utf8");
+const buildAreaSource = fs.readFileSync(path.join(__dirname, "build-area.js"), "utf8");
+assert.match(buildAreaSource, /vehicleModelNames\.map\(\(name\) => `_preview\/\$\{name\}`\)/);
 const countdownFont = path.join(__dirname, "..", "assets", "fonts", "7LED-1.ttf");
 assert.ok(fs.existsSync(countdownFont), "7LED countdown font must be versioned with the project");
 assert.doesNotMatch(previewRuntime, /cylinder: \{ length: 6\.7/);