Initial open-source release

Claude-Session: https://claude.ai/code/session_01B65qLEKnkeYTGdbwhLpjCu

src/workbench/Welcome.module.css

@@ -0,0 +1,56 @@
+.root {
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+  background: var(--bg-island);
+}
+.main {
+  flex: 1;
+  min-height: 0;
+  display: flex;
+  flex-direction: column;
+}
+.fallback {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 18px;
+  padding-bottom: 38px;
+}
+.brand {
+  display: flex;
+  align-items: baseline;
+  gap: 8px;
+}
+.name {
+  color: var(--fg-emphasis);
+  font-size: 15px;
+  font-weight: 500;
+  letter-spacing: -0.01em;
+}
+.version {
+  font-family: var(--font-mono);
+  font-size: var(--fs-small);
+  color: var(--fg-faint);
+}
+.actions {
+  position: relative;
+  display: flex;
+  align-items: center;
+  gap: 10px;
+}
+.hint {
+  display: flex;
+  gap: 10px;
+  color: var(--fg-faint);
+}
+.keys {
+  font-family: var(--font-mono);
+  font-size: var(--fs-small);
+}
+.spinner {
+  position: absolute;
+  left: calc(100% + 10px);
+}