feat(bundle): add configurable bundle output modes and bundler options (support base64ts, production builds, includeFiles, maxLineLength) and route non-default outputs to a CustomBundleHandler

ts/tswatch.classes.tswatch.ts

@@ -18,6 +18,7 @@ export class TsWatch {
   public typedserver: plugins.typedserver.TypedServer | null = null;
 
   private tsbundle = new plugins.tsbundle.TsBundle();
+  private customBundleHandler = new plugins.tsbundle.CustomBundleHandler();
   private htmlHandler = new plugins.tsbundle.HtmlHandler();
   private assetsHandler = new plugins.tsbundle.AssetsHandler();
 
@@ -128,10 +129,22 @@ export class TsWatch {
         } else if (fromPath.endsWith('/') || !fromPath.includes('.')) {
           // Assets directory copy
           await this.assetsHandler.processAssets();
+        } else if (bundleConfig.outputMode && bundleConfig.outputMode !== 'bundle') {
+          // Non-default outputMode (e.g. base64ts) — use CustomBundleHandler
+          await this.customBundleHandler.processSingleBundle({
+            from: bundleConfig.from,
+            to: bundleConfig.to,
+            outputMode: bundleConfig.outputMode,
+            bundler: bundleConfig.bundler || 'esbuild',
+            production: bundleConfig.production || false,
+            includeFiles: bundleConfig.includeFiles,
+            maxLineLength: bundleConfig.maxLineLength,
+          });
         } else {
-          // TypeScript bundling
+          // Standard TypeScript bundling (default)
           await this.tsbundle.build(paths.cwd, fromPath, toPath, {
-            bundler: 'esbuild',
+            bundler: bundleConfig.bundler || 'esbuild',
+            production: bundleConfig.production || false,
           });
         }