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/schedule.md

@@ -0,0 +1,40 @@
+# Opening Hours and Schedule
+
+## Indoor Playgroup (Spielgruppe Pumuckl)
+
+| Day | Time |
+|-----|------|
+| Monday | 9:00 - 11:30 |
+| Wednesday | 9:00 - 11:30 |
+| Thursday | 9:00 - 11:30 |
+
+**Location**: Sunnetalstrasse 4, 8117 Fällanden
+
+**Contact**: Andrea Sigrist
+- Phone: 079 674 99 92
+- Email: andrea.sigrist@gmx.net
+
+## Outdoor Forest Playgroup (Waldspielgruppe Pumuckl)
+
+| Day | Time |
+|-----|------|
+| Monday | 9:00 - 14:00 |
+
+**Contact**: Barbara Gross
+- Phone: 078 761 19 64 / 044 825 25 13
+- Email: baba.laeubli@gmail.com
+
+## Important Notes
+
+- Sessions operate during school term only (school holidays excluded)
+- The outdoor playgroup runs in nearly all weather conditions
+- Children can be enrolled in either playgroup, both, or any combination of available days
+
+## Age Requirements
+
+- Indoor Playgroup: Children approximately 2.5 years and older
+- Outdoor Forest Playgroup: Children aged 3 and older
+
+## Availability
+
+Spots may be limited. Contact the playgroup leader to check current availability.