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/Dockerfile

@@ -0,0 +1,28 @@
+FROM python:3.11-slim
+
+# Set work directory
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements and install Python dependencies
+COPY requirements.txt ./
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Install base NATS dependency
+RUN pip install --no-cache-dir nats-py>=2.6.0
+
+# Service code will be mounted via ConfigMap at /app/services/memory
+
+# Create non-root user
+RUN useradd -m -u 1000 service && chown -R service:service /app
+USER service
+
+# Expose port (if needed)
+EXPOSE 8000
+
+# Run the service (code mounted from ConfigMap)
+CMD ["python", "-m", "services.memory.memory_service"]