Add --no-sync flag to uv run in Dockerfiles

The uv run command was re-syncing dependencies at runtime and installing dev
groups despite uv sync --no-group dev. Using --no-sync tells uv to use the
already-synced dependencies without re-checking.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

mcp_server/docker/Dockerfile

@@ -106,7 +106,7 @@ fi
 # Start MCP server in foreground
 echo "Starting MCP server..."
 cd /app/mcp
-exec /root/.local/bin/uv run main.py
+exec /root/.local/bin/uv run --no-sync main.py
 EOF
 
 RUN chmod +x /start-services.sh

mcp_server/docker/Dockerfile.standalone

@@ -78,4 +78,4 @@ HEALTHCHECK --interval=10s --timeout=5s --start-period=15s --retries=3 \
     CMD curl -f http://localhost:8000/health || exit 1
 
 # Run the MCP server
-CMD ["uv", "run", "main.py"]
+CMD ["uv", "run", "--no-sync", "main.py"]