Docs: it's a personal single-household app, not a SaaS/testbed

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

CLAUDE.md

@@ -1,8 +1,7 @@
 # Moon Household Budget
 
-Personal household-budgeting web app. Bonna (Tony's wife) is the primary user.
-Self-hosted; also serves as a **testbed** for a future low-cost SaaS (planned
-price point ~$2.00 — do **not** build billing yet, just keep the option open).
+Personal household-budgeting web app for Tony & Bonna's household. Self-hosted
+on the home NAS — single household, not a product. No billing, no multi-tenancy.
 
 ## Stack
 - **Flask + gunicorn** (1 worker + threads — state lives in files on the volume,