feat: add lab-rv32i-freertos-task-wrapper card

scripts/test_host.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env sh
+set -eu
+
+cxx=${CXX_HOST:-c++}
+build_dir=${1:-host-build}
+mkdir -p "$build_dir"
+
+$cxx -std=c++17 -Wall -Wextra -Werror -pedantic \
+    -fsanitize=address,undefined -fno-omit-frame-pointer \
+    -Itests/host-shim -Iinclude \
+    tests/task_host.cpp -o "$build_dir/task_host"
+ASAN_OPTIONS=detect_leaks=1 "$build_dir/task_host"
+echo "PASS host: explicit start, stable context, duplicate/failure states"
+