It's always bothered me how Cass' dialogue tree is.

By default and unlike all other companions (or NPCs), most of Cass' dialogue starts within the question branch, various unwanted dialogues appear due to the use of the 'add topic' function, many of Cass' non-question and reaction dialogue ends into 'ask more questions' when other companions don't do this, and (unless you use YUP), you cant talk to her about topics on the companion wheel. All these are caused by Cass' dialogue tree being a mess, and her not using 'Top Level' as her baseline dialogue as most (if not all) of her GREETING dialogues are their own individual branches, even if the dialogue is exactly the same in all those branches.

This makes her entire dialogue tree a near nightmare to mod and navigate.
This quirk is unique to Cass as all other companions and most other NPCs use 'Top Level' dialogue as expected.

If you have ever wanted to add dialogue to Cass with another mod as Top Level (which helps with compatibility), it would never appear unless you edited all her GREETING dialogues to include your topics. As I was making a mod for all companions which is using Top Level, I learnt this quirk and enough is enough.

This mod edits a large chunk of Cass' dialogue topics within vDialogueCass to make her dialogue trees flow more like the other NPCs in the game. Furthermore, this means all companion commands from VNPCFollowers can be accessed by simply talking to her instead of having to rely on the companion wheel to do certain actions. Any mod that uses Top Level to add dialogue to Cass will now appear. You will now have to ask Cass about questions to actually display her questions, quest related dialogues will appear outside of the questions branch, and finally, all instances of Cass' dialogue using 'add topic' have been purged and accounted for to not clutter the choice tab with multiple variations of 'I have some questions.'

Basically, this mod bandaid fixes Cass' dialogue tree.

If there is a mistake, bug, or missing edit within this mod, please let me know in the Posts or Bugs section.

Compatibility:
This mod is most likely not compatible with any other mod that tweaks Cass' vanilla dialogue within the quest vDialogueCass, unless patched.
This mod is compatible with New Vegas without any DLCs, and with DLCs, and requires no other mods to function.
This mod is compatible with JIP Companions Command and Control -- this mod does not change anything within VNPCFollowers.
This mod is compatible with any mods that edit Cass' NPC record or appearance -- this mod does not change anything within RoseOfSharonCassidy.
This mod is compatible with YUP. It forwards changes in vDialogueCass that were added in YUP so it is compatible without needing a patch. Load it after YUP.
This mod is mostly compatible with TTW. I made the mod for and tested it with TTW installed, but it does have one conflict. The TTW Speech Bobblehead is implimented by adding conditions to all companions' karma events, and/or adding new topics which happen when the bobblehead is acquired (for FO3). The karma warnings for Cass in this mod do not have the TTW SpeechBobblehead condition so even with the TTW Speech Bobblehead, Cass will still get angry at you for having low karma and threaten to leave. This is something I can create a 'TTW version' for, if desired. Personally I don't actually like this bobblehead perk and I usually use console to remove the perk after getting it so I completely forgot to consider it when making this mod. Apologies.

Note: I use MO2. If you have any questions about Vortex or other mod managers, I can't help you.