feat(F-098): completed feature

backlog/features.json

@@ -4370,6 +4370,38 @@
         "close": true
       },
       "completed_at": "2026-08-20T20:33:06Z"
+    },
+    {
+      "id": "F-098",
+      "type": "bug",
+      "title": "Fix AI settings save foreign-key failure",
+      "problem": "Saving admin settings uses a backoffice user id in store_settings.updated_by, but that column references identity_users, causing HTTP 500 for AI configuration saves.",
+      "goal": "Save AI settings successfully while preserving updated_by when the authenticated id is a valid identity user.",
+      "scope_in": [
+        "backend store settings update"
+      ],
+      "scope_out": [
+        "No schema redesign",
+        "no secret exposure"
+      ],
+      "priority": "high",
+      "risk": "low",
+      "description": "Problem: Saving admin settings uses a backoffice user id in store_settings.updated_by, but that column references identity_users, causing HTTP 500 for AI configuration saves.. Goal: Save AI settings successfully while preserving updated_by when the authenticated id is a valid identity user.. Scope IN: backend store settings update. Scope OUT: No schema redesign, no secret exposure. Type: bug. Priority: high. Risk: low.",
+      "acceptance": [
+        "AI settings PATCH succeeds for backoffice admins",
+        "Settings GET returns saved AI provider/model values",
+        "Invalid settings still return clear validation errors",
+        "Typecheck, tests, and verify pass"
+      ],
+      "status": "done",
+      "created_at": "2026-08-20",
+      "gates": {
+        "reviewer": true,
+        "security": true,
+        "qa": true,
+        "close": true
+      },
+      "completed_at": "2026-08-20T20:39:06Z"
     }
   ]
 }