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/prompts/dist/util/index.js

@@ -0,0 +1,12 @@
+'use strict';
+
+module.exports = {
+  action: require('./action'),
+  clear: require('./clear'),
+  style: require('./style'),
+  strip: require('./strip'),
+  figures: require('./figures'),
+  lines: require('./lines'),
+  wrap: require('./wrap'),
+  entriesToDisplay: require('./entriesToDisplay')
+};