Add run dashboard and encounter tracking interface

Run list at /runs shows all runs with status badges. Run dashboard at
/runs/:id displays stats, active team, graveyard, and rule badges.
Encounter tracking at /runs/:runId/encounters shows route list with
status indicators, progress bar, filters, and a modal for logging or
editing encounters with pokemon picker.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/src/App.tsx

@@ -1,15 +1,16 @@
 import { Routes, Route } from 'react-router-dom'
 import { Layout } from './components'
-import { Home, NewRun, Dashboard, Encounters } from './pages'
+import { Home, NewRun, RunList, RunDashboard, RunEncounters } from './pages'
 
 function App() {
   return (
     <Routes>
       <Route path="/" element={<Layout />}>
         <Route index element={<Home />} />
+        <Route path="runs" element={<RunList />} />
         <Route path="runs/new" element={<NewRun />} />
-        <Route path="dashboard" element={<Dashboard />} />
-        <Route path="encounters" element={<Encounters />} />
+        <Route path="runs/:runId" element={<RunDashboard />} />
+        <Route path="runs/:runId/encounters" element={<RunEncounters />} />
       </Route>
     </Routes>
   )