Starting an Application on Weekday Logon Only, Skipping Holidays

AI;DR – This blog post was mostly generated by Claude (via Claude Code) as was the scripts which are described here. If you don’t want to read “AI slop”, stop reading now. This morning, for the second time I forgot to start Webex when I powered on my PC to work from home (I wfh 100%, living 300 km away from my employer’s office now). Not having Webex running meant that nobody could reach me by phone. And to make this even more embarrassing, I had a call from a customer scheduled for some time today. At 11:00 I started wondering why they hadn’t called and checked my email to find that they actually had and couldn’t reach me. That was when I noticed my mistake. Being a programmer I wanted to automate this problem away. Yes, I could have simply configured Webex to start with Windows, but I don’t want to be available on that number on the weekend or on public holidays. So I wanted Webex (CiscoCollabHost.exe) to start automatically only every weekday morning when I log in to Windows, but…