feat(workshop): reworked phase flow — agent makeup, sidebar advance, responsive

Rebuild the participant flow around the agent itself:
- Phases: Team registration (+ agent name) -> Meet your agent -> Skills &
  Policies (edit the agent's makeup) -> UnoQ Dashboard (React Flow
  configurator) -> Submit. Swapped/renamed the two module pages
  (Module1/2 -> ModuleDashboard/ModuleMakeup).
- Agent name captured at registration, shown on the dashboard and used in
  the chat greeting (live, not hard-coded), pushed to the board.
- One shared conversation across pages (AgentChatContext); Clawd the crab
  animates the LED matrix and reacts to chat status.
- MAKEUP slide-outs: view, edit (wrench), or AI-refine (wand) the agent's
  personality files and save them back to the board.
- Advance button moved into the sidebar for every phase (ProceedContext).
- Dropped the ADD-doc build + submission gate; Submit just records the entry.
- Responsive pass: sidebar auto-collapses below lg, fluid padding, React
  Flow pan/zoom/fit + Controls, architecture panel becomes a mobile overlay.
- Add @xyflow/react for the configurator.

Co-Authored-By: Claude Opus 4.8 <[email protected]>

src/main.tsx

@@ -1,5 +1,6 @@
 import { StrictMode } from 'react'
 import { createRoot } from 'react-dom/client'
+import '@xyflow/react/dist/style.css'
 import './index.css'
 import App from './App'