From 408e1660fc0f3d8b7a3c990515e6f494ecba991f Mon Sep 17 00:00:00 2001
From: DXC <duxingchen@iris-rs.cn>
Date: Fri, 10 Jul 2026 14:49:01 +0800
Subject: [PATCH] =?UTF-8?q?feat(background.py):=20=E5=90=AF=E7=94=A8?=
 =?UTF-8?q?=E8=83=8C=E6=99=AF=E6=A0=A1=E6=AD=A3=E5=9B=BE=E8=A1=A8=E7=94=9F?=
 =?UTF-8?q?=E6=88=90?=
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algorithmic_baseline() 函数：
- 原代码: fig = None  # plotting disabled
- 修复: 调用 plotting.background_plotting(df, gas) 生成交互式图表，
  显示原始浓度、拟合基线、信号点（红色）和背景点（蓝色圆圈）

异常保护：try/except 包裹，绘图失败时回退至 None
---
 src/gasflux/background.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/gasflux/background.py b/src/gasflux/background.py
index df594b6..54bf950 100644
--- a/src/gasflux/background.py
+++ b/src/gasflux/background.py
@@ -52,7 +52,11 @@ def algorithmic_baseline(
     signal = (df[gas] - bkg)[~bkg_points]
     df[f"{gas}_signal"] = np.invert(bkg_points)
 
-    fig = None  # plotting disabled
+    try:
+        from . import plotting
+        fig = plotting.background_plotting(df, gas)
+    except Exception:
+        fig = None
     output_text = (
         f"Baseline algorithm: {algorithm}\n"
         f"Positive and negative 95% percentile of baseline: {np.percentile(background, 2.5):.2f} ppm, "