Merge commit 'd803bfe2b1fe7f5e219e50ac20d6801a0a58ac75' as 'vendor/ruvector'

vendor/ruvector/npm/packages/postgres-cli/tests/Dockerfile.npx-test

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+# Dockerfile to test npx @ruvector/postgres-cli installation
+# This simulates a clean environment where a user would run npx
+
+FROM node:20-slim
+
+# Install Docker client (for Docker-based installation testing)
+RUN apt-get update && apt-get install -y \
+    docker.io \
+    curl \
+    ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create test user (non-root for realistic testing)
+RUN useradd -m -s /bin/bash testuser
+USER testuser
+WORKDIR /home/testuser
+
+# Set npm config for cleaner output
+ENV npm_config_update_notifier=false
+ENV npm_config_fund=false
+
+# Test that npx works
+RUN npx --version
+
+# Copy the local package tarball (will be created before docker build)
+COPY --chown=testuser:testuser ruvector-postgres-cli.tgz /home/testuser/
+
+# Install from local tarball to simulate npx behavior
+RUN npm install ./ruvector-postgres-cli.tgz
+
+# Add node_modules/.bin to PATH for CLI access
+ENV PATH="/home/testuser/node_modules/.bin:${PATH}"
+
+# Default command to show help
+CMD ["ruvector-pg", "--help"]