Initial commit — Core Cooldown v0.1.0

Portable Windows break timer to prevent RSI and eye strain.
Tauri v2 + Svelte 5 + Tailwind CSS v4. No installer, no telemetry,
no data leaves the machine. CC0 public domain.

src/main.ts

@@ -0,0 +1,23 @@
+import "./app.css";
+import App from "./App.svelte";
+import MiniTimer from "./lib/components/MiniTimer.svelte";
+import BreakWindow from "./lib/components/BreakWindow.svelte";
+import { mount } from "svelte";
+
+const params = new URLSearchParams(window.location.search);
+const isMini = params.has("mini");
+const isBreak = params.has("break");
+
+if (isMini || isBreak) {
+  // Transparent body so rounded shapes show through the transparent window
+  document.body.style.background = "transparent";
+  document.documentElement.style.background = "transparent";
+}
+
+const component = isMini ? MiniTimer : isBreak ? BreakWindow : App;
+
+const app = mount(component, {
+  target: document.getElementById("app")!,
+});
+
+export default app;