Initial spec for Sagaphone

Pulled from Notion project docs: overview, architecture, data model,
event system, line logic, and implementation notes for the family-tree
generator + TTS narrator.

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

README.md

@@ -0,0 +1,20 @@
+# Sagaphone
+
+A web-based, procedural family-saga narrator with TTS — generates random
+family trees and narrates their story out loud. Intended as a "fall asleep"
+tool: set a timer, and it reads family sagas until time runs out.
+
+See [SPEC.md](SPEC.md) for the full spec, architecture, and design areas.
+
+## Status
+
+Spec-only. Implementation not started yet.
+
+## Stack (planned)
+
+- Frontend: SvelteKit
+- Backend: FastAPI (Python, `uv`)
+- TTS: Piper (server-side)
+- Narration: Anthropic Haiku API (server-side)
+- Reverse proxy: Caddy
+- Deployment target: Zeus, `sagaphone.orbitstack.casa`