feat: vendor midstream and sublinear-time-solver libraries

Add ruvnet/midstream (AIMDS real-time inference) and
ruvnet/sublinear-time-solver (sublinear optimization algorithms)
as vendored dependencies under vendor/.

Co-Authored-By: claude-flow <ruv@ruv.net>

vendor/midstream/AIMDS/docker/Dockerfile.node

@@ -0,0 +1,18 @@
+FROM node:20-slim as builder
+WORKDIR /app
+COPY package*.json ./
+COPY tsconfig.json ./
+RUN npm ci
+COPY src/ ./src/
+RUN npm run build
+
+FROM node:20-slim
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci --only=production
+COPY --from=builder /app/dist ./dist
+RUN useradd -m -u 1000 aimds && chown -R aimds:aimds /app
+USER aimds
+HEALTHCHECK --interval=30s --timeout=3s CMD node -e "require('http').get('http://localhost:3000/health', (r) => process.exit(r.statusCode === 200 ? 0 : 1));"
+EXPOSE 3000 9090
+CMD ["node", "dist/index.js"]