Begin port to 26.3: movement

mosfet.py

@@ -62,10 +62,11 @@ def root():
     return app.send_static_file('index.html')
 
 def main():
-    """Connect using the current offline/AuthMe protocol bootstrap.
+    """Connect with offline/AuthMe and enable only the migrated 26.3 features.
 
-    The legacy automation loop is deliberately not started yet: its packet
-    handlers still target Minecraft 1.16 and will be migrated incrementally.
+    Current gameplay support is read-only world/entity state plus path
+    following; inventory, interaction, and legacy job packet handlers remain
+    disabled until migrated.
     """
     reload_timeout = time.time()
     reload_requested = False