Initial open-source release

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

src/features/code-insight/HierarchyView.module.css

@@ -0,0 +1,61 @@
+.view {
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+  min-height: 0;
+}
+.tabs {
+  min-width: 0;
+  border: 0;
+  background: none;
+}
+.toolbar {
+  height: 32px;
+  flex: none;
+  display: flex;
+  align-items: center;
+  gap: 2px;
+  padding: 0 6px;
+}
+.sep {
+  width: 1px;
+  height: 16px;
+  margin: 0 4px;
+  background: var(--border);
+}
+.body {
+  flex: 1;
+  min-height: 0;
+  display: flex;
+  flex-direction: column;
+}
+.body > * {
+  flex: 1;
+  min-height: 0;
+}
+.row {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  min-width: 0;
+  flex: 1;
+  white-space: nowrap;
+}
+.name {
+  color: var(--fg);
+}
+.detail {
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  color: var(--fg-subtle);
+}
+.muted {
+  flex: none;
+  color: var(--fg-subtle);
+}
+.error {
+  flex: none;
+  font-size: var(--fs-small);
+  color: var(--danger);
+}