docs: rename test_sprint21 to test_sprint20b, update test counts to 415

Sprint 20 combines voice input (20a) and send button polish (20b).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Nathan Esquenazi
2026-04-03 07:22:13 -07:00
parent dcb21dfd37
commit f5c9f218c4
3 changed files with 8 additions and 6 deletions