Update ideas issue

add surfacing, understanding, shaping, and pithcing classifications.

.github/ISSUE_TEMPLATE/ideas--irritations-and-needs.md

@@ -20,17 +20,10 @@ _When <situation>, I want to <motivation>, so I can <outcome>_
 ## How are they currently doing this?
 <!-- problems with workarounds already followed are likely to have a greater need for the individual. --> 
 
-<details>
-  <summary>Triage Template (core team only)</summary>
+## How well understood is this problem?
+<!-- tick the box that best describes how you feel about this problem -->
 
-  This template is for members of the team to triage for prioritisation. For more guidance see https://www.loom.com/share/369ab467fbc64dec848085d38ff57ca0:
-
-  P1 high frequency, high impact
-  P2 low frequency, high impact
-  P3 high frequency, low impact
-  P4 low frequency, low impact
-
-  Examples of high impact - a problem affects users during an essential process (expenses and payments > onboarding and registration > contributing) with no workaround.
-
-  High frequency - >10% of users affected (measured as a proportion of total potential users for this case).
-</details>
+ - [ ] Surfacing: if you feel this is a seed of an idea that needs to be researched.
+ - [ ] Understanding: if you've done some research and feel it is already well understood and ready for shaping.
+ - [ ] Shaping:  if you feel a solution is clearly defined and can be made into a pitch ([read more about shaping](https://basecamp.com/shapeup/1.1-chapter-02))
+ - [ ] Pitching: if you feel that it is ready to be presented for prioritisation ([read more about pitching](https://basecamp.com/shapeup/1.5-chapter-06))