✨ telemetry and home screen

src/renderer/styles/app.css

@@ -194,6 +194,44 @@
   flex-direction: column;
 }
 
+.sidebar-home-btn {
+  display: flex;
+  align-items: center;
+  gap: 7px;
+  width: 100%;
+  padding: 8px 12px;
+  background: none;
+  border: none;
+  border-bottom: 1px solid var(--border);
+  color: var(--text-muted);
+  font-family: var(--font-sans);
+  font-size: 11px;
+  letter-spacing: 0.06em;
+  text-transform: uppercase;
+  cursor: pointer;
+  text-align: left;
+  transition: color 0.15s, background 0.15s;
+  flex-shrink: 0;
+}
+
+.sidebar-home-btn:hover {
+  color: var(--text-primary);
+  background: var(--active-bg);
+}
+
+.sidebar-home-btn.active {
+  color: var(--accent);
+}
+
+.sidebar-home-icon {
+  font-size: 14px;
+  line-height: 1;
+}
+
+.sidebar-home-label {
+  line-height: 1;
+}
+
 /* ─── Editor area ──────────────────────────────────────────────── */
 .editor-area {
   grid-row: 2;