diff --git a/ci/e2e/run.sh b/ci/e2e/run.sh
new file mode 100644
index 00000000..e30d2ad4
--- /dev/null
+++ b/ci/e2e/run.sh
@@ -0,0 +1,70 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Required environment variables:
+#   ONEDRIVE_BIN
+#   E2E_TARGET
+#   RUN_ID
+
+OUT_DIR="ci/e2e/out"
+SYNC_ROOT="$RUNNER_TEMP/sync-${E2E_TARGET}"
+
+mkdir -p "$OUT_DIR"
+mkdir -p "$SYNC_ROOT"
+
+RESULTS_FILE="${OUT_DIR}/results.json"
+LOG_FILE="${OUT_DIR}/sync.log"
+
+echo "E2E target: ${E2E_TARGET}"
+echo "Sync root: ${SYNC_ROOT}"
+
+CASE_NAME="basic-resync"
+
+pass_count=0
+fail_count=0
+
+echo "Running: onedrive --sync --verbose --resync --resync-auth"
+
+set +e
+"$ONEDRIVE_BIN" \
+  --sync \
+  --verbose \
+  --resync \
+  --resync-auth \
+  --syncdir "$SYNC_ROOT" \
+  > "$LOG_FILE" 2>&1
+rc=$?
+set -e
+
+if [ "$rc" -eq 0 ]; then
+  pass_count=1
+  status="pass"
+else
+  fail_count=1
+  status="fail"
+fi
+
+# Write minimal results.json
+cat > "$RESULTS_FILE" <<EOF
+{
+  "target": "${E2E_TARGET}",
+  "run_id": ${RUN_ID},
+  "cases": [
+    {
+      "name": "${CASE_NAME}",
+      "status": "${status}"
+    }
+  ]
+}
+EOF
+
+echo "Exit code: ${rc}"
+echo "Results written to ${RESULTS_FILE}"
+echo "Passed: ${pass_count}"
+echo "Failed: ${fail_count}"
+
+# Fail job if command failed
+if [ "$rc" -ne 0 ]; then
+  echo "E2E failed - see sync.log"
+  exit 1
+fi