Ok, I give up 🏳️😭!
I now have a completely new setup. I loaded Amethyst from Obtainium and created a completely new WoS wallet for zapping. And the exact same problem persists. I just do not understand it. When I zap WoS users, the zaps don't appear in the chat and the users don't know that I zapped them. When I zap users who use other wallets it works without any problems. With Alby, with LNTipBot etc ... with ALL other wallets it works without any problems. It just doesn't work with WoS! Then I switched to the LNTipBot and thought, then it must work. And then WTF ... same problem. I give up haha ... If you're a WoS user reading this, if you get an Anon Zap, then maybe it was me or maybe it wasn't 😁😅🤘!

And interesting for me to know:
I'm I THE ONLY ONE with that issue? Let me know please!

nostr:npub1gcxzte5zlkncx26j68ez60fzkvtkm9e0vrwdcvsjakxf9mu9qewqlfnj5z or nostr:npub1hcwcj72tlyk7thtyc8nq763vwrq5p2avnyeyrrlwxrzuvdl7j3usj4h9rq, ideas regarding to that annoying issue are highly appreciated please 🙏!

nostr:nevent1qqs0pqrkhqqz5220z3xvmmhsvktqggj5gv70emd5fq65xeky8a7zv0sprdmhxue69uh5ummnw3ezuumhd9ehxtt9de5kwmtp9e3ksq3qn0aq6vafymeezu8rgyuluw2nsvwwf0e0qdpc9d2uvcfgclsf4d8sxpqqqqqqz2ssatr