From 09bede9bb40d6fc251428adaa9a851b993ccd3fb Mon Sep 17 00:00:00 2001
From: u1 <u1@rv32i.pl>
Date: Sun, 12 Apr 2026 14:21:56 +0200
Subject: [PATCH] docs(test): add jupyter notebook render smoke test

---
 demo-notebook.ipynb | 117 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 demo-notebook.ipynb

diff --git a/demo-notebook.ipynb b/demo-notebook.ipynb
new file mode 100644
index 0000000..50e6da2
--- /dev/null
+++ b/demo-notebook.ipynb
@@ -0,0 +1,117 @@
+{
+  "cells": [
+    {
+      "cell_type": "markdown",
+      "metadata": {},
+      "source": [
+        "# Trade T1 Notebook Smoke Test\n",
+        "\n",
+        "This notebook checks `Jupyter` rendering in Gitea.\n",
+        "\n",
+        "Inline math: $e^{i\\\\pi} + 1 = 0$.\n",
+        "\n",
+        "Display math:\n",
+        "\n",
+        "$$\n",
+        "\\\\sigma(x) = \\\\frac{1}{1 + e^{-x}}\n",
+        "$$\n"
+      ]
+    },
+    {
+      "cell_type": "code",
+      "execution_count": 1,
+      "metadata": {},
+      "outputs": [
+        {
+          "name": "stdout",
+          "output_type": "stream",
+          "text": [
+            "peak amplitude: 1.0000\\n"
+          ]
+        },
+        {
+          "data": {
+            "image/svg+xml": [
+              "<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"640\" height=\"320\" viewBox=\"0 0 640 320\">\n",
+              "  <rect width=\"640\" height=\"320\" fill=\"#ffffff\"/>\n",
+              "  <rect x=\"60\" y=\"30\" width=\"540\" height=\"230\" fill=\"#fbfdff\" stroke=\"#d7e1ea\"/>\n",
+              "  <line x1=\"60\" y1=\"260\" x2=\"600\" y2=\"260\" stroke=\"#475569\" stroke-width=\"2\"/>\n",
+              "  <line x1=\"60\" y1=\"145\" x2=\"600\" y2=\"145\" stroke=\"#cbd5e1\" stroke-width=\"1\" stroke-dasharray=\"4 4\"/>\n",
+              "  <line x1=\"120\" y1=\"30\" x2=\"120\" y2=\"260\" stroke=\"#e2e8f0\" stroke-width=\"1\"/>\n",
+              "  <line x1=\"240\" y1=\"30\" x2=\"240\" y2=\"260\" stroke=\"#e2e8f0\" stroke-width=\"1\"/>\n",
+              "  <line x1=\"360\" y1=\"30\" x2=\"360\" y2=\"260\" stroke=\"#e2e8f0\" stroke-width=\"1\"/>\n",
+              "  <line x1=\"480\" y1=\"30\" x2=\"480\" y2=\"260\" stroke=\"#e2e8f0\" stroke-width=\"1\"/>\n",
+              "  <line x1=\"60\" y1=\"70\" x2=\"600\" y2=\"70\" stroke=\"#e2e8f0\" stroke-width=\"1\"/>\n",
+              "  <line x1=\"60\" y1=\"220\" x2=\"600\" y2=\"220\" stroke=\"#e2e8f0\" stroke-width=\"1\"/>\n",
+              "  <polyline fill=\"none\" stroke=\"#2563eb\" stroke-width=\"4\" stroke-linecap=\"round\" stroke-linejoin=\"round\" points=\"60,145 90,109 120,78 150,54 180,38 210,33 240,40 270,58 300,86 330,120 360,155 390,191 420,221 450,242 480,254 510,253 540,241 570,218 600,185\"/>\n",
+              "  <circle cx=\"60\" cy=\"145\" r=\"5\" fill=\"#ef4444\"/>\n",
+              "  <circle cx=\"240\" cy=\"40\" r=\"5\" fill=\"#ef4444\"/>\n",
+              "  <circle cx=\"420\" cy=\"221\" r=\"5\" fill=\"#ef4444\"/>\n",
+              "  <circle cx=\"600\" cy=\"185\" r=\"5\" fill=\"#ef4444\"/>\n",
+              "  <text x=\"70\" y=\"22\" font-family=\"DejaVu Sans, Arial, sans-serif\" font-size=\"18\" fill=\"#0f172a\">matplotlib sine wave demo</text>\n",
+              "  <text x=\"602\" y=\"266\" font-family=\"DejaVu Sans, Arial, sans-serif\" font-size=\"12\" fill=\"#334155\">x</text>\n",
+              "  <text x=\"36\" y=\"38\" font-family=\"DejaVu Sans, Arial, sans-serif\" font-size=\"12\" fill=\"#334155\">y</text>\n",
+              "  <text x=\"62\" y=\"284\" font-family=\"DejaVu Sans, Arial, sans-serif\" font-size=\"12\" fill=\"#475569\">0</text>\n",
+              "  <text x=\"233\" y=\"284\" font-family=\"DejaVu Sans, Arial, sans-serif\" font-size=\"12\" fill=\"#475569\">π</text>\n",
+              "  <text x=\"412\" y=\"284\" font-family=\"DejaVu Sans, Arial, sans-serif\" font-size=\"12\" fill=\"#475569\">2π</text>\n",
+              "  <text x=\"70\" y=\"84\" font-family=\"DejaVu Sans, Arial, sans-serif\" font-size=\"12\" fill=\"#475569\">1.0</text>\n",
+              "  <text x=\"70\" y=\"236\" font-family=\"DejaVu Sans, Arial, sans-serif\" font-size=\"12\" fill=\"#475569\">-1.0</text>\n",
+              "</svg>\n"
+            ],
+            "text/plain": [
+              "<Figure size 600x300 with 1 Axes>"
+            ]
+          },
+          "metadata": {},
+          "output_type": "display_data"
+        }
+      ],
+      "source": [
+        "import numpy as np\\n",
+        "import matplotlib.pyplot as plt\\n",
+        "\\n",
+        "x = np.linspace(0, 2 * np.pi, 200)\\n",
+        "y = np.sin(x)\\n",
+        "\\n",
+        "fig, ax = plt.subplots(figsize=(6, 3))\\n",
+        "ax.plot(x, y, color='tab:blue', linewidth=2, label='sin(x)')\\n",
+        "ax.scatter([0, np.pi, 2 * np.pi], [0, 0, 0], color='tab:red', zorder=3)\\n",
+        "ax.set_title('matplotlib sine wave demo')\\n",
+        "ax.set_xlabel('x')\\n",
+        "ax.set_ylabel('y')\\n",
+        "ax.grid(True, alpha=0.25)\\n",
+        "ax.legend()\\n",
+        "print(f'peak amplitude: {y.max():.4f}')\\n",
+        "plt.show()\\n"
+      ]
+    },
+    {
+      "cell_type": "markdown",
+      "metadata": {},
+      "source": [
+        "Rendered SVG output above is embedded in the notebook, so Gitea can display it without executing Python on the server.\n"
+      ]
+    }
+  ],
+  "metadata": {
+    "kernelspec": {
+      "display_name": "Python 3",
+      "language": "python",
+      "name": "python3"
+    },
+    "language_info": {
+      "codemirror_mode": {
+        "name": "ipython",
+        "version": 3
+      },
+      "file_extension": ".py",
+      "mimetype": "text/x-python",
+      "name": "python",
+      "nbconvert_exporter": "python",
+      "pygments_lexer": "ipython3",
+      "version": "3.12.0"
+    }
+  },
+  "nbformat": 4,
+  "nbformat_minor": 5
+}