I would suggest you follow the we.retail form container component and here is the component's path: /apps/weretail/components/form/container.   If you take a look at /apps/weretail/components/form/container/new and follow the similar approach, then you will be to add components within Form container...

Answer: A and C

I have checked the userinfo.json response in my project. On prod author as we do have SSO, I could see certain information about myself (logged-in user) while accessing /libs/cq/security/userinfo.json.   On prod publish we aren't supposed to login so, I can see anonymous while accessing /libs/cq/sec...

I didn't get this condition  cq: lastReplicated!=  completely?   What is your complete requirement to start the workflow?

Could you please let me know the jcr:primaryType of that node. Do you have permission to publish via CRXDE on production?

Please do share workflow launcher configuration if it is possible.

I would like to ask couple of questions here -   1. How are you starting workflow on huge number of pages? 2. Did you monitor replication queues during publish? 3. Have you used any query in your workflow code? Could you please share the logic, if it is possible.

After cloning using https://github.com/adobe/aem-guides-wknd       I was able to build successfully as shown below -     Could you please check the system requirements here https://github.com/adobe/aem-guides-wknd and do compare.  

Could you please let me know the jcr:primaryType of that node. Why did you activate that node via CRXDE ? Did you activate that node via CRXDE earlier also? Was it successful?