Fix local run freshness and plugin asset handling

scripts/check-all.sh

@@ -2,6 +2,7 @@
 set -euo pipefail
 
 ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+RUN_SOURCE_DIR="${RUN_SOURCE_DIR:-${RUN_REPO_DIR:-$ROOT_DIR/run}}"
 
 ensure_node_deps() {
   local dir="$1"
@@ -14,6 +15,12 @@ ensure_node_deps() {
 
 (cd "$ROOT_DIR/platform" && go test ./...)
 
+if [[ -d "$RUN_SOURCE_DIR/.git" ]]; then
+  (cd "$RUN_SOURCE_DIR" && go test ./...)
+else
+  printf 'independent run checkout not found at %s; skipping run checks\n' "$RUN_SOURCE_DIR"
+fi
+
 ensure_node_deps "$ROOT_DIR/platform_web"
 (cd "$ROOT_DIR/platform_web" && npm run typecheck && npm run test && npm run build)