From 92c78f172ae60d3114f4f423c097697a7a6664b4 Mon Sep 17 00:00:00 2001
From: pqhuy1987 <pqhuy1987@gmail.com>
Date: Fri, 14 Aug 2026 20:15:47 +0700
Subject: [PATCH] [CLAUDE] Api: dao Serilog request-logging ra vong NGOAI
 GlobalExceptionMiddleware

No quan-sat tien-ton (cicd-monitor bat @S197): Serilog nam vong TRONG nen thay
exception bay qua va ghi [ERR] responded 500 cho MOI loi nghiep vu 4xx, trong khi
client nhan 404/409 tu middleware vong ngoai. Dao thu tu -> Serilog doc status
DA MAP tu Response.StatusCode; 500 that van log [ERR] (GEM LogError + status>499).
Cac middleware khac giu nguyen vi tri tuong doi. Test 697 pass + 6 skip (baseline).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
---
 src/Backend/SolutionErp.Api/Program.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Backend/SolutionErp.Api/Program.cs b/src/Backend/SolutionErp.Api/Program.cs
index 06728a41..332a593b 100644
--- a/src/Backend/SolutionErp.Api/Program.cs
+++ b/src/Backend/SolutionErp.Api/Program.cs
@@ -167,8 +167,11 @@ var app = builder.Build();
 
 // ---------- Pipeline ----------
 app.UseMiddleware<SecurityHeadersMiddleware>();
-app.UseMiddleware<GlobalExceptionMiddleware>();
+// Serilog request-logging phải nằm vòng NGOÀI GlobalExceptionMiddleware: nếu nằm trong,
+// nó thấy exception bay xuyên qua và ghi [ERR] responded 500 cho cả lỗi nghiệp vụ
+// đã map 4xx (404/409) → log prod đầy 500 giả, nhiễu khi truy sự cố.
 app.UseSerilogRequestLogging();
+app.UseMiddleware<GlobalExceptionMiddleware>();
 
 if (app.Environment.IsDevelopment())
 {