Add project scope documentation for AI playgroup registration system

Define complete non-technical scope for replacing Google Forms registration
with an AI-powered conversational agent. Includes:

- Registration data requirements (13 fields with validation rules)
- Knowledge base content (fees, regulations, schedule, FAQ from official PDFs)
- Conversation flow design with bilingual support (German/English)
- Agent personality guidelines (warm & friendly tone)
- Admin notification routing by playgroup type
- Email reminder system for incomplete registrations
- Data export formats (CSV/JSON)
- Channel configuration (email + chat)
- Release priorities (MVP scope defined)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

openspec/changes/define-project-scope/content/knowledge-base/fees.md

@@ -0,0 +1,75 @@
+# Service Fees (Tarifliste 2024/2025)
+
+*Source: Tarifliste Spielgruppen 2024/2025, Familienverein Fällanden*
+
+## Indoor Playgroup (Innenspielgruppe)
+
+**Hours:** Monday, Wednesday, or Thursday, 9:00 - 11:30
+
+| Sessions per Week | Monthly Fee |
+|-------------------|-------------|
+| 1x per week | CHF 130.- |
+| 2x per week | CHF 260.- |
+| 3x per week | CHF 390.- |
+
+**July and August are fee-free.**
+
+---
+
+## Outdoor Forest Playgroup (Waldspielgruppe)
+
+**Hours:** Monday, 9:00 - 14:00
+
+| Monthly Fee |
+|-------------|
+| CHF 250.- |
+
+*Includes snack (Znüni) and lunch.*
+
+**July and August are fee-free.**
+
+---
+
+## One-Time Fees
+
+| Fee | Amount | When |
+|-----|--------|------|
+| Registration Fee (Aufnahmegebühr) | CHF 80.- | First year only |
+| Craft Materials (Bastelmaterial) | CHF 80.- | From second year onwards (replaces registration fee) |
+| Parent Participation Deposit | CHF 50.- | Indoor playgroup only (refundable through cleaning participation) |
+
+---
+
+## Payment Terms
+
+- Invoicing is monthly via email
+- Fees must be paid in advance
+- Standing payment order (Dauerauftrag) is recommended for regular payments
+
+---
+
+## Sibling Discount
+
+10% discount on monthly fees for each additional child from the same family.
+
+---
+
+## Administration Contact
+
+Markus Graf
+Tel: 079 261 16 37
+Email: spielgruppen@familien-verein.ch
+
+---
+
+## Playgroup Leaders
+
+**Indoor Playgroup:**
+Andrea Sigrist & Kübra Karatas
+Tel: 079 674 99 92
+Email: andrea.sigrist@gmx.net
+
+**Forest Playgroup:**
+Barbara Gross
+Tel: 078 761 19 64 / 044 825 25 13
+Email: baba.laeubli@gmail.com