diff --git a/watcher.py b/watcher.py
index f77ad70..e3070a5 100644
--- a/watcher.py
+++ b/watcher.py
@@ -1,84 +1,57 @@
-#!/usr/bin/env python3
 import os
 import subprocess
 import time
 from watchdog.observers import Observer
 from watchdog.events import FileSystemEventHandler
 
-WATCH_DIR = "/data"  # Mount your host Books folder here
-DEBUG = os.getenv("DEBUG", "false").lower() == "true"
-MERGE_ALL = os.getenv("MERGE_ALL", "true").lower() == "true"
+WATCH_DIR = "/data"
+DEBUG = os.environ.get("DEBUG", "false").lower() == "true"
+MERGE_ALL = os.environ.get("MERGE_ALL", "false").lower() == "true"
 
 class NewBookHandler(FileSystemEventHandler):
-    def __init__(self):
-        super().__init__()
-        self.seen_dirs = set()  # Track processed directories
-
     def on_created(self, event):
+        if DEBUG:
+            print(f"📂 [DEBUG] Created: {event.src_path} (dir={event.is_directory})")
         if event.is_directory:
             self.process_new_dir(event.src_path)
 
     def on_moved(self, event):
+        if DEBUG:
+            print(f"📂 [DEBUG] Moved: {event.src_path} → {event.dest_path} (dir={event.is_directory})")
         if event.is_directory:
             self.process_new_dir(event.dest_path)
 
+    def on_modified(self, event):
+        if DEBUG:
+            print(f"📂 [DEBUG] Modified: {event.src_path} (dir={event.is_directory})")
+
+    def on_deleted(self, event):
+        if DEBUG:
+            print(f"📂 [DEBUG] Deleted: {event.src_path} (dir={event.is_directory})")
+
     def process_new_dir(self, path):
-        # Avoid duplicate processing
-        if path in self.seen_dirs:
-            return
-        self.seen_dirs.add(path)
+        # find .m4b files in this new book directory
+        m4b_files = [
+            f for f in os.listdir(path)
+            if os.path.isfile(os.path.join(path, f)) and f.lower().endswith(".m4b") and not f.startswith("._")
+        ]
 
-        # Short delay to allow files to finish copying
-        time.sleep(2)
-
-        try:
-            files = os.listdir(path)
-        except FileNotFoundError:
-            return  # directory may have been removed
-
-        m4b_files = [f for f in files if f.lower().endswith(".m4b") and not f.startswith("._")]
-        if not m4b_files:
+        if MERGE_ALL and len(m4b_files) <= 1:
             if DEBUG:
-                print(f"⚠️ Skipping {path} (no .m4b files detected)")
-            return
-
-        # Skip if only 1 file and MERGE_ALL is enabled
-        if MERGE_ALL and len(m4b_files) == 1:
-            if DEBUG:
-                print(f"⏭️ Skipping {path} (only 1 .m4b file, nothing to merge)")
+                print(f"⚠️ [DEBUG] Skipping {path}, only {len(m4b_files)} file(s).")
             return
 
         book_name = os.path.basename(path)
-        print(f"📕 New book detected: {book_name} at {path}")
-        print("Contains .m4b files:")
-        for f in m4b_files:
-            print("  ", f)
+        print(f"📕 New book detected: {book_name} at {path} ({len(m4b_files)} file(s))")
 
-        # Run your main.py script
-        try:
-            cmd = ["python3", "main.py", "-da", path]
-            if MERGE_ALL:
-                cmd.append("--all")  # pass flag to main.py
-            subprocess.run(cmd, check=True)
-            print(f"✅ Finished processing {book_name}")
-        except subprocess.CalledProcessError as e:
-            print(f"❌ Error processing {book_name}: {e}")
+        subprocess.run(["python3", "main.py", "-da", path], check=True)
 
 if __name__ == "__main__":
+    print(f"👀 Watching {WATCH_DIR} for new books...")
     observer = Observer()
     event_handler = NewBookHandler()
     observer.schedule(event_handler, WATCH_DIR, recursive=True)
     observer.start()
-    print(f"👀 Watching for new book folders in {WATCH_DIR} ...")
-
-    # --- Startup scan: just print existing folders if DEBUG is enabled ---
-    if DEBUG:
-        for root, dirs, files in os.walk(WATCH_DIR):
-            m4b_files = [f for f in files if f.lower().endswith(".m4b") and not f.startswith("._")]
-            if m4b_files:
-                print(f"📁 Existing book folder detected (startup scan): {root}")
-                for f in m4b_files:
-                    print("  ", f)
 
     try:
         while True: