diff --git a/tools/editor/cli_audits.cpp b/tools/editor/cli_audits.cpp
index bddee72c..559d3c1f 100644
--- a/tools/editor/cli_audits.cpp
+++ b/tools/editor/cli_audits.cpp
@@ -495,10 +495,13 @@ int handleAuditWatertightWob(int& i, int argc, char** argv) {
     // intentional portal openings between them.
     std::string root = argv[++i];
     bool jsonOut = false;
+    bool summary = false;
     float weldEps = 1e-4f;
     while (i + 1 < argc && argv[i + 1][0] == '-') {
         if (std::strcmp(argv[i + 1], "--json") == 0) {
             jsonOut = true; ++i;
+        } else if (std::strcmp(argv[i + 1], "--summary") == 0) {
+            summary = true; ++i;
         } else if (std::strcmp(argv[i + 1], "--weld") == 0 && i + 2 < argc) {
             try { weldEps = std::stof(argv[i + 2]); } catch (...) {}
             i += 2;
@@ -557,6 +560,14 @@ int handleAuditWatertightWob(int& i, int argc, char** argv) {
         std::printf("%s\n", j.dump(2).c_str());
         return std::min(failCount, 255);
     }
+    if (summary) {
+        std::printf("watertight-wob: %s (%zu buildings, %d failure(s)) "
+                    "[%s, weld %.6f]\n",
+                    failCount == 0 ? "PASS" : "FAIL",
+                    rows.size(), failCount,
+                    root.c_str(), weldEps);
+        return std::min(failCount, 255);
+    }
     std::printf("Watertight WOB audit: %s (weld eps %.6f)\n",
                 root.c_str(), weldEps);
     if (rows.empty()) {
diff --git a/tools/editor/cli_help.cpp b/tools/editor/cli_help.cpp
index 5735a6fd..3f8af045 100644
--- a/tools/editor/cli_help.cpp
+++ b/tools/editor/cli_help.cpp
@@ -593,8 +593,8 @@ void printUsage(const char* argv0) {
     std::printf("                         Walk every .wom + .wob under zoneDir, weld each independently, append to one shared WOC\n");
     std::printf("  --audit-watertight <zoneDir|projectDir> [--weld <eps>] [--json] [--summary]\n");
     std::printf("                         Walk every .wom under root, run welded watertight check; --summary prints a one-line rollup\n");
-    std::printf("  --audit-watertight-wob <zoneDir|projectDir> [--weld <eps>] [--json]\n");
-    std::printf("                         Walk every .wob, check that EVERY group is closed (per-group weld) — interior rooms must be solid\n");
+    std::printf("  --audit-watertight-wob <zoneDir|projectDir> [--weld <eps>] [--json] [--summary]\n");
+    std::printf("                         Walk every .wob, check that EVERY group is closed (per-group weld); --summary prints one-line rollup\n");
     std::printf("  --import-obj <obj-path> [wom-base]\n");
     std::printf("                         Convert a Wavefront OBJ back into WOM (round-trips with --export-obj)\n");
     std::printf("  --export-wob-obj <wob-base> [out.obj]\n");