diff --git a/tools/smokes/v2/profiles/integration/apps/phase100_string_accumulator_llvm_exe.sh b/tools/smokes/v2/profiles/integration/apps/phase100_string_accumulator_llvm_exe.sh
index 12aa5328..35d3a4c6 100644
--- a/tools/smokes/v2/profiles/integration/apps/phase100_string_accumulator_llvm_exe.sh
+++ b/tools/smokes/v2/profiles/integration/apps/phase100_string_accumulator_llvm_exe.sh
@@ -1,49 +1,120 @@
 #!/bin/bash
 # Phase 100 P3 - String Accumulator (LLVM EXE backend)
 
+source "$(dirname "$0")/../../../lib/test_runner.sh"
+export SMOKES_USE_PYVM=0
+require_env || exit 2
+
+# LLVM availability checks (graceful SKIP)
+if ! command -v llvm-config-18 &> /dev/null; then
+    test_skip "llvm-config-18 not found"; exit 0
+fi
+
+if ! "$NYASH_BIN" --help 2>&1 | grep -q "llvm"; then
+    test_skip "hakorune --backend llvm not available"; exit 0
+fi
+
+if ! python3 -c "import llvmlite" 2>/dev/null; then
+    test_skip "Python llvmlite not found"; exit 0
+fi
+
+# Phase 97/98 SSOT: plugin dlopen check → build only if needed → dlopen recheck.
+FILEBOX_SO="$NYASH_ROOT/plugins/nyash-filebox-plugin/libnyash_filebox_plugin.so"
+MAPBOX_SO="$NYASH_ROOT/plugins/nyash-map-plugin/libnyash_map_plugin.so"
+STRINGBOX_SO="$NYASH_ROOT/plugins/nyash-string-plugin/libnyash_string_plugin.so"
+CONSOLEBOX_SO="$NYASH_ROOT/plugins/nyash-console-plugin/libnyash_console_plugin.so"
+INTEGERBOX_SO="$NYASH_ROOT/plugins/nyash-integer-plugin/libnyash_integer_plugin.so"
+
+check_plugins() {
+    python3 - "$FILEBOX_SO" "$MAPBOX_SO" "$STRINGBOX_SO" "$CONSOLEBOX_SO" "$INTEGERBOX_SO" <<'PY'
+import ctypes
+import os
+import sys
+names = ["FileBox", "MapBox", "StringBox", "ConsoleBox", "IntegerBox"]
+paths = sys.argv[1:]
+failures = []
+for name, path in zip(names, paths):
+    if not os.path.isfile(path):
+        failures.append(f"[plugin/missing] {name}: {path}")
+        continue
+    try:
+        ctypes.CDLL(path)
+    except Exception as e:  # noqa: BLE001
+        failures.append(f"[plugin/dlopen] {name}: {path} ({e})")
+if failures:
+    print("\n".join(failures))
+    sys.exit(1)
+print("OK")
+PY
+}
+
+echo "[INFO] Checking plugin artifacts (FileBox/MapBox/StringBox/ConsoleBox/IntegerBox)"
+if ! CHECK_OUTPUT=$(check_plugins 2>&1); then
+    echo "$CHECK_OUTPUT"
+    echo "[INFO] Missing/broken plugin detected, running build-all (core plugins)"
+    BUILD_LOG="/tmp/phase100_string_accumulator_plugin_build.log"
+    if ! bash "$NYASH_ROOT/tools/plugins/build-all.sh" \
+        nyash-filebox-plugin nyash-map-plugin nyash-string-plugin nyash-console-plugin nyash-integer-plugin \
+        >"$BUILD_LOG" 2>&1; then
+        echo "[FAIL] tools/plugins/build-all.sh failed for core plugins"
+        tail -n 80 "$BUILD_LOG"
+        exit 1
+    fi
+    if ! CHECK_OUTPUT=$(check_plugins 2>&1); then
+        echo "$CHECK_OUTPUT"
+        echo "[FAIL] Plugin artifacts still missing or unloadable after build-all"
+        tail -n 80 "$BUILD_LOG"
+        exit 1
+    fi
+fi
+
+mkdir -p "$NYASH_ROOT/tmp"
+
+INPUT_HAKO="$NYASH_ROOT/apps/tests/phase100_string_accumulator_min.hako"
+OUTPUT_EXE="$NYASH_ROOT/tmp/phase100_string_accumulator_min"
+
+echo "[INFO] Building: $INPUT_HAKO → $OUTPUT_EXE"
+
+BUILD_LOG="/tmp/phase100_string_accumulator_build.log"
+if ! env NYASH_DISABLE_PLUGINS=0 "$NYASH_ROOT/tools/build_llvm.sh" "$INPUT_HAKO" -o "$OUTPUT_EXE" 2>&1 | tee "$BUILD_LOG"; then
+    echo "[FAIL] build_llvm.sh failed"
+    tail -n 80 "$BUILD_LOG"
+    exit 1
+fi
+
+if [ ! -x "$OUTPUT_EXE" ]; then
+    echo "[FAIL] Executable not created or not executable: $OUTPUT_EXE"
+    ls -la "$OUTPUT_EXE" 2>/dev/null || echo "File does not exist"
+    exit 1
+fi
+
+echo "[INFO] Executing: $OUTPUT_EXE"
+
+set +e
+OUTPUT=$(timeout "${RUN_TIMEOUT_SECS:-10}" env NYASH_DISABLE_PLUGINS=0 "$OUTPUT_EXE" 2>&1)
+EXIT_CODE=$?
 set -e
 
-SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-REPO_ROOT="$(cd "$SCRIPT_DIR/../../../../../.." && pwd)"
-
-cd "$REPO_ROOT"
-
-HAKO_FILE="apps/tests/phase100_string_accumulator_min.hako"
-EXPECTED_OUTPUT="3"
-
-# Phase 97 plugin gating pattern
-if [ ! -f "target/release/plugins/.dlopen_cache" ]; then
-    echo "⏭️  SKIP: phase100_string_accumulator_llvm_exe (plugins not built)"
-    exit 0
-fi
-
-# Build LLVM exe
-if ! tools/build_llvm.sh "$HAKO_FILE" > /tmp/phase100_string_acc_build.log 2>&1; then
-    echo "⚠️  SKIP: phase100_string_accumulator_llvm_exe (LLVM build failed)"
-    cat /tmp/phase100_string_acc_build.log | tail -n 20
-    exit 0
-fi
-
-EXE_PATH="/tmp/phase100_string_accumulator_min"
-
-if [ ! -f "$EXE_PATH" ]; then
-    echo "❌ FAIL: phase100_string_accumulator_llvm_exe (exe not found)"
+if [ "$EXIT_CODE" -ne 0 ]; then
+    echo "[FAIL] Execution failed with exit code $EXIT_CODE"
+    echo "$OUTPUT" | tail -n 80
     exit 1
 fi
 
-# Run exe and extract numeric output
-ACTUAL_OUTPUT=$("$EXE_PATH" 2>&1 | grep -v '^\[' | grep -v 'Net plugin' | grep -v 'RC:' | grep -E '^[0-9]+$')
+# Extract numeric output only (consistent with other Phase100 LLVM EXE smokes)
+CLEAN=$(printf "%s\n" "$OUTPUT" | grep -E '^[0-9]+$' | head -n 1 | tr -d '\r')
+EXPECTED="3"
 
-if [ "$ACTUAL_OUTPUT" = "$EXPECTED_OUTPUT" ]; then
-    echo "✅ PASS: phase100_string_accumulator_llvm_exe"
-    exit 0
+echo "[INFO] CLEAN output:"
+echo "$CLEAN"
+
+if [ "$CLEAN" = "$EXPECTED" ]; then
+    test_pass "phase100_string_accumulator_llvm_exe: output matches expected (3)"
 else
-    echo "❌ FAIL: phase100_string_accumulator_llvm_exe"
-    echo "Expected:"
-    echo "$EXPECTED_OUTPUT"
-    echo "Got:"
-    echo "$ACTUAL_OUTPUT"
-    echo "---Full output (last 80 lines):---"
-    "$EXE_PATH" 2>&1 | tail -n 80
+    echo "[FAIL] Output mismatch"
+    echo "[INFO] Raw output (tail):"
+    echo "$OUTPUT" | tail -n 80
+    echo "[INFO] Expected:"
+    printf "%s\n" "$EXPECTED"
     exit 1
 fi