Thanks for taking time to read the post.
In my preferences I like things to work in a certain way without too many tinkering, configurations or key combinations to remember. Hence I don't need dates as plain text, different date formats, drag and drop or all the features your plugin offers. I only use the datepicker to pick a date by clicking on it and that will be added as a [[Wiki Reference|with Alias]].
The Logseq journal approach is just the concept of treating dates as pages of your journal so you get the reference of whatever you wrote for that date.
I may try to play with your Sleek interactive Floating Journal Calendar - #37 by Mr.Red , it feels like a silverbullet implementation for the journals plugin of Logseq GitHub - xyhp915/logseq-journals-calendar: A journals calendar for Logseq. · GitHub. I think it can get handy to navigate previous journal pages. Currently I use silversearch and its working fine. I can search by alias. Although I just have a month of journal pages , lets see how things will look like in a year 
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So to make things easier for other people to follow along:
- If someone wants to easily navigate journal pages through a calendar use the Floating Journal Calendar from Mr.Red. It provides way more features and configurations to fit more needs.
- If your workflow has the journal page as a "first-class citizen" so you mostly write on the journal and your index page is a journal page, and you feel the same fear as me of "configuration hell" , probably you'll be better of overriding
/tomorrowcommand to add the date as reference and/datepickerto do the same.
Nevertheless the two approaches are not mutually exclusive. They can probably live together. And certainly there many other ways to do the same.