Align DeepSeek and GLM execution with DS4

tools/build-ds4-session-reference.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+# Standalone oracle only. Never add its C objects to Cargo or the app bundle.
+set -euo pipefail
+if [[ $# != 2 ]]; then
+    echo "usage: bash tools/build-ds4-session-reference.sh REFERENCE_DIRECTORY OUTPUT_BINARY" >&2
+    exit 2
+fi
+reference=$(cd "$1" && pwd)
+output=$2
+cd "$(dirname "$0")/.."
+[[ $(git -C "$reference" rev-parse HEAD) == ec7642cdd9ec81d01ad4b1fd8f8a3d1511533748 ]]
+[[ $(shasum -a 256 "$reference/ds4.h" | cut -d ' ' -f 1) == 1fe2491b0b709222dd41076d35b6eb85684d8c467a691ff4d45534d329f06360 ]]
+git -C "$reference" diff --exit-code HEAD -- ds4.h ds4.c ds4_metal.m ds4_image.c ds4_distributed.c ds4_tp.c ds4_ssd.c ds4_layer_pack.c metal
+# Refuse stale objects. If necessary, build the authorized reference separately.
+make -q -C "$reference" ds4
+json_library=$(cargo build --release --bin test-supervisor -j 4 --message-format=json |
+    jq -rs '[.[] | select(.reason == "compiler-artifact" and .target.name == "serde_json") | .filenames[] | select(endswith(".rlib"))] | last')
+[[ -n $json_library ]]
+probe_dir=$(mktemp -d)
+trap 'rm -f "$probe_dir/canary.o"; rmdir "$probe_dir"' EXIT
+clang -c -O3 -fobjc-arc -ffast-math -mcpu=native -I native/metal \
+    native/metal/ds4_canary.m -o "$probe_dir/canary.o"
+link=()
+for object in ds4 ds4_image ds4_distributed ds4_tp ds4_ssd ds4_metal ds4_layer_pack; do
+    link+=(-C "link-arg=$reference/$object.o")
+done
+rustc --edition 2024 -O -D warnings tools/ds4-session-reference.rs \
+    --extern "serde_json=$json_library" -L dependency=target/release/deps \
+    -C "link-arg=$probe_dir/canary.o" \
+    "${link[@]}" -l framework=Foundation -l framework=Metal -l objc -l pthread -l m \
+    -o "$output"