Cache-bust: force fresh binary download (ubuntu-22.04, glibc 2.35)

Dockerfile

@@ -12,8 +12,9 @@ RUN apt-get update && apt-get install -y \
     && rm -rf /var/lib/apt/lists/*
 
 # Download the latest pre-built Linux binary from GitHub Releases
-# Rebuild trigger: ubuntu-22.04 binary (glibc 2.35) uploaded 2026-04-14
-RUN curl -fsSL \
+# binary-date: 2026-04-14-ubuntu22 (glibc 2.35, cache-bust)
+ARG BINARY_DATE=2026-04-14-ubuntu22
+RUN echo "Fetching larql binary ${BINARY_DATE}" && curl -fsSL \
     https://github.com/cronos3k/larql/releases/download/latest-linux/larql-linux-x86_64 \
     -o /usr/local/bin/larql \
     && chmod +x /usr/local/bin/larql