Stuff like that, especially the new animations, will be its own mod. However, the dialogues which get modified will be done so after much consideration due to the need of compatibility with other mods.
You probably aren't going to see party member dialogue get animations and then released as a mod friendly 100% compatible mod... but I'm fairly certain 75% of other dialogues can be given fresh animations!
Kebla Yurt's shop can be made into a mod without much worry.
This can also be made into a mod, however, the music from ROR will not be present. As a ROR writer, I can confirm that the music in the original ROR Demo (made in 2010-2011) may be replaced with modern music at some point (This is merely an opinion held by most of the ROR Team and there are no concrete plans to change the music as of now, but I do personally think changing the music is on the to-do list for the far future).
That is something I'm surprised people actually liked, whilst I could make this into its own standalone mod I'd like for it to be compatible with the Taris Dueling Arena Adjustment mod so this one might be done later.
I think I recall doing something like this! I remember one of these was the Republic Officer recruiting mercs on Manaan, if I can find these fixes justifiable I might even add it to my Unofficial K1CP Tweak Pack mod!
I recall adding Carth randomly interjecting in more dialogues on Taris, I could make something akin to this in the future though my primary concern with a mod like this would be compatibility with other mods.
I also recall modifying Carth's romance dialogues so that the players can hear very specific romance dialogue lines if the player was male, these lines I added were rather neutral and didn't reference gender or romance so it did spice up the cutscenes.
Sarna's dialogue was actually recorded twice, I simply swapped out the audio recordings in vanilla for the audio recording which was left out of the game. I do remember I actually restored the bribing Sarna and Yun Genda for Sith Uniforms regardless of gender. This here can be restored in a restored content mod which is also in development!
This is also a very possible mod for me to make, though the problem for me would be deciding where each music track would play.
I believe that was lifted and heavily modified from the K1 Enhancement Pack, as always I can probably turn this into a standalone mod but I'll have to look into it to see what I'd need to do to make it compatible with other mods which alter the same scene.
As much as I am sad to admit this, the K1GI Jedi Robes were partially a disaster.
The idea was that K1 Jedi Robes remained in-tact whilst K2 Jedi Robes replaced the Star Forge robes. I ended up removing much of the vanilla robe drops due to it being kinda weird to find Jedi Master Robes in a Krayt Dragon cave or in Master Uthar's personal footlocker, but since I didn't add these robes in other locations in the end the only K2 robe the player could've worn was Jolee's robes.
I might see if there's a way to recreate the K2 Jedi Robes replacing Star Forge robes using the Cloaked Jedi Robe mod but don't keep your hopes up for this one.
Just keep in mind, the "low res" Jedi Robes were actually the default 512 x 512 resolution of the base vanilla game... but if you play with HD Ai upscale mods then yes they would be "low res" in comparison to those mods.
The mods in development probably won't outright say "K1 Gameplay Improvement" on the title, but you can probably notice right away that a mod of mine is a successor to the K1GI (even if its entirely new content you've ever seen before). If the mod modifies multiple and/or adds new appearances then you can count that it is a K1GI successor mod.