diff --git a/wiki/_master-index.md b/wiki/_master-index.md
index 4beed3a..906023e 100644
--- a/wiki/_master-index.md
+++ b/wiki/_master-index.md
@@ -20,7 +20,7 @@ This 3-hop pattern works for hundreds of articles without vector search.
 |-------|-------------|----------|
 | [[wiki/obsidian-rag/_index\|obsidian-rag/]] | Karpathy's LLM wiki method — Obsidian RAG, setup, vs true RAG | 3 |
 | [[wiki/projects-overview/_index\|projects-overview/]] | All 42 Oliver Agency projects — grouped by server (optical-web-1, optical-dev, baic, box-cli) | 1 |
-| [[wiki/tech-patterns/_index\|tech-patterns/]] | Recurring tech stacks: FastAPI, React/Vite, Next.js, Azure AD, AI, Box, One2Edit, Redis/Celery, cost-tracker | 25 |
+| [[wiki/tech-patterns/_index\|tech-patterns/]] | Recurring tech stacks: FastAPI, React/Vite, Next.js, Azure AD, AI, Box, One2Edit, Redis/Celery, cost-tracker | 26 |
 | [[wiki/architecture/_index\|architecture/]] | Cross-cutting architectural patterns: Docker Compose, multi-agent AI, GCP timeout, RAG, hotfolder, optical-dev deploy, cost-tracker, new-project checklist, troubleshooting playbooks, ADR log, Cloud Run Jobs | 11 |
 | [[wiki/client-knowledge/_index\|client-knowledge/]] | Per-client notes for Ford, H&M, L'Oréal, Barclays, Ferrero, 3M, BAIC | 7 |
 | [[wiki/concepts/_index\|concepts/]] | Atomic knowledge extracted from Claude Code sessions | 109 |