---
date: 2026-04-19
day: 88
view: spieler
weekday: Sonntag
commits: 8
review: written
---

# Sonntag, 2026-04-19 — Tag 88

Dichter Tag in **apps** und Umgebung.

## Highlights

- server-side tier gating via requireTier middleware
- add how-to guide for wiring module tools to the AI agent
- add Quiz tools (create_quiz, add_quiz_question, list_quizzes)
- document the pgSchema isolation rule
- expand Quiz tools — edit/delete questions, edit meta, stats