Add DuckDB build to debian13 and drop Boost submodule rule from AGENTS.md

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

debian13/Dockerfile

@@ -894,4 +894,22 @@ RUN aria2c \
     && rust-src/install.sh --prefix=/usr/local --without=rust-docs \
     && rm -rf rust.tar.xz rust-src
 
+RUN curl --fail --location --output duckdb.tar.gz \
+        https://wangguofang.net/github.com/duckdb/duckdb/archive/v1.5.6.tar.gz \
+    && mkdir src \
+    && tar --extract --gzip --file=duckdb.tar.gz --directory=src --strip-components=1 \
+    && rm duckdb.tar.gz \
+    && cmake -G Ninja -S src -B build -DCMAKE_BUILD_TYPE=Release \
+        -DBUILD_SHARED_LIBS=OFF \
+        -DBUILD_EXTENSIONS="core_functions;parquet;json" \
+        -DBUILD_SHELL=ON \
+        -DBUILD_UNITTESTS=OFF \
+        -DBUILD_BENCHMARKS=OFF \
+        -DENABLE_EXTENSION_AUTOLOADING=OFF \
+        -DENABLE_EXTENSION_AUTOINSTALL=OFF \
+        -DCMAKE_INSTALL_LIBDIR=lib/x86_64-linux-gnu \
+        -DCMAKE_POSITION_INDEPENDENT_CODE=ON \
+    && cmake --build build --parallel "$(nproc)" --target install \
+    && rm -rf build src
+
 CMD ["/bin/bash"]