feat(F-158): completed feature

work/artifacts/F-158/leader-close.json

@@ -0,0 +1,16 @@
+{
+  "feature_id": "F-158",
+  "agent": "leader",
+  "stage": "close",
+  "verdict": "APPROVED",
+  "summary": "POS LAN usa proxy same-origin y completa login, vinculación y config sin localhost del navegador.",
+  "checks": [
+    { "item": "Reviewer approved", "ok": true },
+    { "item": "Security approved", "ok": true },
+    { "item": "QA approved", "ok": true },
+    { "item": "POS build passed", "ok": true },
+    { "item": "Runtime acceptance passed", "ok": true },
+    { "item": "verify.sh passed", "ok": true }
+  ],
+  "issues": []
+}