delete back and frontend

add schafkopf os
add build firmware action

schafkopf-os/static/app.js

@@ -0,0 +1,25 @@
+const btn = document.getElementById('pingBtn');
+const versionBtn = document.getElementById('versionBtn');
+const out = document.getElementById('result');
+
+btn?.addEventListener('click', async () => {
+  out.textContent = 'Requesting /api/ping…';
+  try {
+    const res = await fetch('/api/ping');
+    const json = await res.json();
+    out.textContent = JSON.stringify(json, null, 2);
+  } catch (err) {
+    out.textContent = 'Error: ' + (err?.message || String(err));
+  }
+});
+
+versionBtn?.addEventListener('click', async () => {
+  out.textContent = 'Requesting /api/version…';
+  try {
+    const res = await fetch('/api/version');
+    const json = await res.json();
+    out.textContent = JSON.stringify(json, null, 2);
+  } catch (err) {
+    out.textContent = 'Error: ' + (err?.message || String(err));
+  }
+});

schafkopf-os/static/styles.css

@@ -0,0 +1,28 @@
+/* Minimal styles for the test frontend */
+:root {
+  color-scheme: light dark;
+  --bg: #0e1217;
+  --fg: #e9eef5;
+  --muted: #94a3b8;
+  --accent: #4f46e5;
+  --card: #111827;
+  --border: #1f2937;
+}
+
+* { box-sizing: border-box; }
+html, body { margin: 0; padding: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji"; }
+
+body { background: var(--bg); color: var(--fg); }
+
+.container { max-width: 800px; margin: 3rem auto; padding: 0 1rem; }
+
+h1 { font-size: 1.8rem; margin: 0 0 1rem; }
+.lead { color: var(--muted); margin: 0 0 1rem; }
+.version { color: var(--muted); font-size: 0.9rem; margin: 0 0 1.5rem; }
+
+.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 1rem; }
+
+button { background: var(--accent); color: white; border: none; padding: 0.6rem 1rem; border-radius: 8px; cursor: pointer; margin-right: 0.5rem; }
+button:hover { filter: brightness(1.1); }
+
+pre { background: #0b0f14; border: 1px solid var(--border); padding: 0.75rem; border-radius: 8px; overflow: auto; }