BREAKING CHANGE(watchers): Replace polling-based write stabilization with debounce-based event coalescing and simplify watcher options

ts/smartwatch.classes.smartwatch.ts

@@ -132,9 +132,7 @@ export class Smartwatch {
       basePaths: watchPaths,
       depth: 4,
       followSymlinks: false,
-      stabilityThreshold: 100,
-      pollInterval: 100,
-      maxWaitTime: 1000
+      debounceMs: 100
     });
 
     // Subscribe to watcher events and dispatch to appropriate subjects