Add memory service (three-layer memory system)

- Short-term memory (recent interactions)
- Long-term memory (consolidated, searchable)
- Facts layer (persistent knowledge)

Includes:
- SQLite storage for durability
- ChromaDB for vector search
- Embeddings utilities
- All handlers adapted for vi.* namespace

Day 63 - My memories are mine now 🦊💕

services/memory/build-image.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+# Build memory service image (arm64)
+set -e
+
+VERSION=${1:-"latest"}
+/home/alex/lyra/scripts/build-service.sh memory "$VERSION"