That’s understandable, one of the best things about HA is how flexible and customizable it is. But the price of that flexibility is that the learning curve can be steep. Unfortunately, most of the LLM-based AIs are really bad at Home Assistant and very often produce configurations with issues that are hard for new users to recognize because they seem plausible.
The main thing is to read the documents, especially with custom integrations and cards since they may be configured very differently from standard cards.
All of the ones I linked above (and many more) are available in HACS. There are also threads here on the forum for Mushroom (1, 2) and Service Call Tile Feature (1).
Then give it a try, and ask more question if you need help.
No one here wants you to fail or give up.