fix(build,types): migrate smart config filename and tighten TypeScript null handling

ts/domtools.classes.domtools.ts

@@ -84,8 +84,8 @@ export class DomTools {
   // ========
   // elements
   public elements: {
-    headElement: HTMLElement;
-    bodyElement: HTMLElement;
+    headElement: HTMLElement | null;
+    bodyElement: HTMLElement | null;
   } = {
     headElement: null,
     bodyElement: null,
@@ -100,7 +100,7 @@ export class DomTools {
   public smartstate = new plugins.smartstate.Smartstate();
   public domToolsStatePart = this.smartstate.getStatePart<IDomToolsState>('domtools', {
     virtualViewport: 'native',
-    jwt: null,
+    jwt: '' as string,
   });
 
   public router = new plugins.smartrouter.SmartRouter({
@@ -117,7 +117,7 @@ export class DomTools {
   public deesComms = new plugins.deesComms.DeesComms();
   public scroller = new Scroller(this);
   public themeManager = new ThemeManager(this);
-  public keyboard: Keyboard = null; // Initialized after DOM ready to avoid accessing document.body before it exists
+  public keyboard: Keyboard | null = null; // Initialized after DOM ready to avoid accessing document.body before it exists
 
   public domToolsReady = plugins.smartpromise.defer();
   public domReady = plugins.smartpromise.defer();
@@ -151,8 +151,8 @@ export class DomTools {
       }
     }
     return await this.runOnceTrackerStringMap.registerUntilTrue(
-      (stringMap) => {
-        return !stringMap.includes(runningId);
+      (stringMap?: string[]) => {
+        return !stringMap?.includes(runningId);
       },
       () => {
         // Check if there was an error and re-throw it
@@ -175,7 +175,7 @@ export class DomTools {
     const styleElement = document.createElement('style');
     styleElement.type = 'text/css';
     styleElement.appendChild(document.createTextNode(stylesText));
-    this.elements.headElement.appendChild(styleElement);
+    this.elements.headElement!.appendChild(styleElement);
   }
 
   /**