feat: add confidence level prompt to challenge output and update plan rules for configuration preparation

Author: alexsoyes

commands/02_context/challenge.md

@@ -36,6 +36,8 @@ Is this 100% correct based on what we agreed on earlier?
 ### Output to review
 
 ```text
+My confidence level of correctness now: XX%
+
 # Previous work to review
 
 ## ✅ What is 100% correct

commands/03_plan/plan.md

@@ -15,8 +15,8 @@ Generate technical implementation plans from requirements, save to task file, di
 - DO NOT CODE ANYTHING
 - Create plan from provided requirements
 - Save plan to task file before displaying
-- Wait for user confirmation after displaying plan
 - Handle vocal dictation inconsistencies
+- Configurations (e.g. api keys etc) must be prepared asap in phase 0
 
 ## Context