srs: create weekly gate [skip ci]

.github/srs/srs.json

@@ -544,5 +544,20 @@
     }
   },
   "drill_pool_used": [],
-  "gates": []
+  "gates": [
+    {
+      "week": 2,
+      "issue": 208,
+      "date": "2026-08-24",
+      "problems": [
+        189,
+        209,
+        162,
+        71,
+        496
+      ],
+      "fallbacks": [],
+      "results": {}
+    }
+  ]
 }