Add test-architect skill (Beck testing principles)

Clean up README copy

Restore 'enroll in their courses' to README

Polish README copy — tighten intro, fix Vercel typo, add conventions.md section

Add example conventions.md

Add Willison (LLM pipeline) as 10th review expert, add council customisation guide

Add link to Vercel React Best Practices skill repo

Move disclaimer to bottom, change 'stack' to 'skill' in intro

Add Vercel Performance expert note to README

Update README copy — refine wording and consolidate council table into intro

Fix council table — add Link header column

Update README copy

Rewrite README intro with personal voice and council attribution

Remove Braintrust reference, fix clone URL, genericize Statsig examples

Remove B2B SaaS product type references throughout