Updates to collections description & zero persistence update

[aleksa-krolls]

Short Description

Updates to:

• Collections description and warning
• zero-persistence pipeline diagram & deployment pathway naming

AI Usage

Please disclose how you've used AI in this work (it's cool, we just want to know!):

• [ ] Code generation (copilot but not intellisense)
• [ ] Learning or fact checking
• [ ] Strategy / design
• [ ] Optimisation / refactoring
• [ ] Translation / spellchecking / doc gen
• [ ] Other
• [x] I have not used AI

You can read more details in our Responsible AI Policy