Implement SAND-WP-0003: validation meta-framework extraction

Port e2e-framework schema, runner, and reporter into wise-validator with
sand-boxer CLI integration, validate run CLI, unit tests, registry capability,
and operator docs.

scripts/smoke-validate-run.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+# Remote smoke: validate run against sand-boxer self-deploy contract (SAND-WP-0003-T09).
+set -euo pipefail
+
+HOST="${SANDBOXER_HOST:-coulombcore}"
+REPO="${SMOKE_REPO:-$(cd "$(dirname "$0")/.." && pwd)/../sand-boxer}"
+export SANDBOXER_COMPOSE_CMD="${SANDBOXER_COMPOSE_CMD:-podman-compose}"
+
+if [[ ! -d "${REPO}/e2e/e2e.yml" && ! -f "${REPO}/e2e/e2e.yml" ]]; then
+  echo "FAIL: sand-boxer repo not found at ${REPO}" >&2
+  exit 1
+fi
+
+echo "==> validate run host=${HOST} repo=${REPO}"
+validate run "${REPO}" --host "${HOST}" --no-report
+
+echo "==> PASS"