Add side panels, task selection, graph animation, and project docs

- Foldable left panel (user profile) and right panel (task details)
- Clicking a task in the list or graph node selects it and shows details
- Both views (task list + graph) always mounted via absolute inset-0 for
  correct canvas dimensions; tabs toggle visibility with opacity
- Graph node selection animation: other nodes repel outward (charge -600),
  then selected node smoothly slides to center (500ms cubic ease-out),
  then charge restores to -120 and graph stabilizes
- Graph re-fits on tab switch and panel resize via ResizeObserver
- Fix UUID string IDs throughout (backend returns UUIDs, not integers)
- Add TaskDetailPanel, UserPanel components
- Add CLAUDE.md project documentation

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/node_modules/next/dist/esm/server/app-render/has-loading-component-in-tree.js

@@ -0,0 +1,9 @@
+export function hasLoadingComponentInTree(tree) {
+    const [, parallelRoutes, { loading }] = tree;
+    if (loading) {
+        return true;
+    }
+    return Object.values(parallelRoutes).some((parallelRoute)=>hasLoadingComponentInTree(parallelRoute));
+}
+
+//# sourceMappingURL=has-loading-component-in-tree.js.map