Alright I have for the past couple hours been testing this routine

First I would like to start out by saying what a great job you did. This is another home run by Tuan!
Here are the issues I am currently facing with this and I hope the log helps. Before I go into detail I want you and everyone who reads this to know as a disclaimer and I understand this is in beta. This is why I am testing it.
//First of all, thank you oriie for a long and detail constructive feedback <3
#1 The routine in the past lfr or instances I have done has not casted 1 totem as in healing(our current #1 heal) which is a big dip in hps. There is also to my knowledge no button for auto cast mana tide totem.
//Not sure which revision you are using, newest revision have 3 options
//Healing Stream Unit | HP [Number][Number] - CR will drop Healing Stream Totem when x unit hp blow y percent
//Healing Tide Unit | HP [Number][Number] - CR will drop Healing Tide Totem when x unit hp blow y percent
//Mana Tide Totem Mana Below [Number] - CR will drop Mana Tide Totem when your mana below x percent
#2 Sometimes it can feel sluggish for example person A gets damaged 2 seconds go by person A gets healed.
//I'll inspect that
#3 Unleashed elements for healing is only meant for 2 things, an "oh shit" moment or right when the tank takes a big amount of damage followed by a greater heal, or right before a healing rain to increase its potency by 30%. currently it is using unleash elements as it comes off cooldown.
//Look like I need improve the code right there, I have no clue Shaman PvE healing, never play the class since Cata.
#4 Not once in lfr or instances did it cast a healing rain, in fact in most cases it spammed chain heal which is a nono as you'll see later in this post i ended almost all fights with no mana.
//Chain Heal Unit | HP [Number][Number] - CR will drop Chain Heal Unit when x unit hp blow y percent
//Heaing Rain Unit | HP [Number][Number] - CR will drop Heaing Rain Totem when x unit hp blow y percent
//This part it's all about setting, not code. If you lower Chain Heal setting like [3] unit below [50] and and raise Healing Rain setting like [3] unit below [90] CR will cast Healing Rain more often and that save mana. I have no clue on PvE healing so the setting not yet optimal and TBH I run OOM a lot last few dungeon run.
#5 I looked and I understand from when you were building your shadow priest that there aren't going to be many option buttons for a while but don't forget an auto dispel button currently it is not dispelling
//Purge have 2 logic:
//Purge Important Buff Mana Above [30 default] this almost PvP spell that purge some important spell like Icy Veins, Hand of Freedom from player when your mana above 30%
//Purge Any Buff Mana Above [70 default] this will purge ANY buff on enemy PLAYER if you have more than 70% mana. This on lower priority when no one below 70% HP.
//These 2 spell only work on PvP, I'll make it work on PvE in coming svn update.
#6 I tried to use the auto racial button( I dont personally have auto cooldowns turned on for raids or instances so I can coordinate when to use them in accordance to the fight) anyways the auto racial button was not working.
//Not sure what your racial because I only test on Taurent Warstormp and Dwarf Stoneform and both work.
#7 I believe it was in you're holy pally routine that you had the handy button called, in so many words (keep mana) (don't keep mana) I'd like to see this return because again like I said before spam chain heal is good for oh shit but not good for when the party is taking moderate damage.
//They are involved into heal balancing slider
//CR fully support "Lightning Bolt Glyph Restore Mana" This important for resto to regain mana by using that glyph and attack boss with Lightning Bolt to get mana back.
other then those seven things I found this routine to be near perfect in its beta! Amazing job Tuan and amazing job to whoever was involved! Shaman everywhere thank you!
Here are the last two instance/lfr stats that I did, Unfortunately the instance isn't as in depth as the lfr but I think you'll get the picture.
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ilvl 511 Resto Shaman
Instance Overall HPS 21,107 with no deaths
LFR Overall HPS 51,732 at (27% healing done)
Boss#1 43,304 with 27% mana left
Boss#2 57,482 with 2% mana left
Boss#3 57,525 with 5% mana left
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Thanks again, I will be testing Enhancement spec tomorrow and post!