From 59fa0315f103d117dba33b6ec817a82355f39c5a Mon Sep 17 00:00:00 2001
From: Benjamin Hackl <devel@benjamin-hackl.at>
Date: Thu, 15 Jan 2026 17:58:16 +0100
Subject: [PATCH] plan 1, initial version

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 create mode 100644 demo-01/plan.md

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+# Demo 1: Interactive Particle Trail
diff --git a/demo-01/plan.md b/demo-01/plan.md
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+Task: build a single page website in index.html with a particle trail effect following the cursor using HTML, CSS, and JavaScript.
+
+You may use libraries like Three.js. The particles should spawn at the cursor, move with
+some inertia, and fade out over time.