Ordered punch-list (aiming to complete by 2021-01-08)
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• Make the /hunt command drop from the database any rounds that have 0
  puzzles in them

Recently-proposed ideas (not yet prioritized)
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• Need a more direct way to ask for help and to find who needs
  help. Something like /state but with announcements in the main
  channel and maybe a periodic "Here's where people need help" post or
  something like that.

• Fix all message posting in Slack to avoid limits, (breaking big
  messages (is it 100 blocks? need to check) into multiple smaller
  messages).

• Have Turbot explicitly report long state strings to the channel,
  (since the implicit report from settting the abbreviated topic won't
  have the whole message).

• Allow a hunt (and perhaps a round) to have multiple URLs

• Would it be helpful to have some sort of "tools" command to collect
  pointers to useful tools and allow for searching of them?

• Investigate what from snap2 we could incorporate into our sheets:

  https://github.com/kevinychen/snap2

• Watch the recent hunt workshop that had some recommendations on
  tools and see what from that we should incorporate

• Think about writing some custom solving tools, (like Qat, or
  Nutrimatic, or Snap2, etc.)

• Fix slash commands to pass off processing to a separate Lambda and
  then return immediately (removing the annoying "operation timeout"
  complaints from Slack even when the command works exactly as it
  should).

• Hunt creation should set the hunt channel's topic (we recently added
  this for hunt editing at least)

• The Turbot Home view and the /hunt output should emit the hunt links
  and state string (similar to how puzzle links and state strings are
  already implemented).

Round management
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• Select round fields by default based on the round of the puzzle for
  the channel in which `/puzzle` is invoked.

Hunt overview commands and filters
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• On the Turbot home screen allow a dropdown for Unsolved/Solved/All
  puzzles

• On the Turbot home screen add a text box for a search hstring (to
  work like the search string now available in "/hunt").

File uploads
------------

• Incorporate puzzle file uploads into the database state for each
  puzzle. Any file uploaded to the Slack should get included
  initially, but when editing a puzzle users can drop irrelevant files
  or label relevant files.

Opt-in for channel invitations
------------------------------

• Consider adding a user option to allow a user to opt-out of the auto
  invitation for all newly-created puzzle channels, (we have a
  hard-coded list inside Turbot right now called
  AUTO_INVITE_DENY_LIST)

Sheet-related fixes
-------------------

• Do something to make it more clear which tabs exist just as
  backup/reference from the original template vs. any new tab a user
  has created during the hunt. (Perhaps color the reference tabs
  differently.)

Un-prioritized items
--------------------

• Add support for recording/displaying those who have current roles

  Maybe this should just be a "Post" in the main hunt channel, (and
  need not have any direct Turbot support?)

• Think about some way to express solve priority

Lower priority
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• Figure out what tool we want to use for shared drawing on a puzzle
  and integrate that into Turbot, (give a command that will generate a
  new URL and will insert that URL into the Slack topic and the list
  of links at the top of the sheet).

• Think about using a URL shortener API for the sheet URLs (to leave
  more room in a channel topic for state string content)