接续上一轮，按接续文件持续推进

结论：已完成剩余77个SKIP的promotion复核；仅2个main SKIP且promotion_allowed均为0，当前baseline保持82/82/77/0，并新增文档与docs smoke防止误promotion。

wasm-port/tests/docs/node/verify_sim_configs_coverage_docs.mjs

@@ -45,6 +45,11 @@ for (const phrase of [
   "sim_configs_wasm_node_inventory_skip_UPSTREAM_DEMO=1",
   "build/wasm/sim-configs-inventory/skip-summary.tsv",
   "build/wasm/sim-configs-inventory/blocked-dependency-summary.tsv",
+  "remaining_skip_count=77",
+  "remaining_skipped_main_program_rows=2",
+  "remaining_skipped_main_program_promotion_allowed=0",
+  "direct_inventory_promotion_rows=0",
+  "baseline_change_allowed=no",
   "verify_no_standalone_cnc_semantics.sh",
   "verify_sim_configs_coverage_docs.sh",
   "L4-PYTHON-REMAP",
@@ -65,6 +70,11 @@ for (const phrase of [
   "axis/rose_engine/rcone_demo.ngc",
   "axis/external_offsets/queuebuster.ngc",
   "Web Simulation Improvements From Virtual HAL",
+  "2026-06-20 Remaining Skip Promotion Audit",
+  "remaining_skipped_main_program_promotion_allowed=0",
+  "direct_inventory_promotion_rows=0",
+  "axis/vismach/millturn/example.ngc",
+  "incremental_repetition_g533.ngc",
   "Browser and Node simulation no longer need host `halcmd`, `halrun`, or a",
   "servo-period stepping",
   "8 diagnostics-ready candidates across 3 families and 17 source files",
@@ -109,4 +119,33 @@ if (existsSync(skipSummaryPath)) {
   );
 }
 
+const remainingSkipAuditPath = resolve(
+  root,
+  "build/wasm/sim-configs-inventory/remaining-skip-main-program-promotion-audit.tsv",
+);
+if (existsSync(remainingSkipAuditPath)) {
+  const rows = parseTsv(readFileSync(remainingSkipAuditPath, "utf8"));
+  assert.equal(rows.length, 2);
+  assert.deepEqual(
+    rows.map((row) => row.path).sort(),
+    [
+      "axis/vismach/5axis/table-rotary_spindle-rotary-nutating/demos/incremental_repetition_g533.ngc",
+      "axis/vismach/millturn/example.ngc",
+    ],
+  );
+  assert.deepEqual(
+    Object.fromEntries(rows.map((row) => [row.path, row.skip_kind])),
+    {
+      "axis/vismach/5axis/table-rotary_spindle-rotary-nutating/demos/incremental_repetition_g533.ngc":
+        "UPSTREAM-DEMO",
+      "axis/vismach/millturn/example.ngc": "L4-USER-M-PROCESS",
+    },
+  );
+  for (const row of rows) {
+    assert.equal(row.class, "main");
+    assert.equal(row.promotion_allowed, "0");
+    assert.equal(row.promotion_ready, "0");
+  }
+}
+
 console.log("sim_configs_coverage_docs_node_smoke=ok");