Use URL-based routing instead of local state

src/client/components/AppSelector.tsx

@@ -2,7 +2,6 @@ import type { CSSProperties } from 'hono/jsx'
 import {
   apps,
   selectedApp,
-  setSelectedApp,
   setSidebarSection,
   sidebarSection,
 } from '../state'
@@ -17,19 +16,12 @@ import {
 interface AppSelectorProps {
   render: () => void
   onSelect?: () => void
-  onDashboard?: () => void
   collapsed?: boolean
   switcherStyle?: CSSProperties
   listStyle?: CSSProperties
 }
 
-export function AppSelector({ render, onSelect, onDashboard, collapsed, switcherStyle, listStyle }: AppSelectorProps) {
-  const selectApp = (name: string) => {
-    setSelectedApp(name)
-    onSelect?.()
-    render()
-  }
-
+export function AppSelector({ render, onSelect, collapsed, switcherStyle, listStyle }: AppSelectorProps) {
   const switchSection = (section: 'apps' | 'tools') => {
     setSidebarSection(section)
     render()
@@ -52,9 +44,9 @@ export function AppSelector({ render, onSelect, onDashboard, collapsed, switcher
         </SectionSwitcher>
       )}
       <AppList style={listStyle}>
-        {collapsed && onDashboard && (
+        {collapsed && (
           <AppItem
-            onClick={onDashboard}
+            href="/"
             selected={!selectedApp ? true : undefined}
             style={{ justifyContent: 'center', padding: '10px 12px' }}
             title="Toes"
@@ -65,7 +57,8 @@ export function AppSelector({ render, onSelect, onDashboard, collapsed, switcher
         {activeApps.map(app => (
           <AppItem
             key={app.name}
-            onClick={() => selectApp(app.name)}
+            href={`/app/${app.name}`}
+            onClick={onSelect}
             selected={app.name === selectedApp ? true : undefined}
             style={collapsed ? { justifyContent: 'center', padding: '10px 12px' } : undefined}
             title={collapsed ? app.name : undefined}

src/client/components/DashboardLanding.tsx

@@ -1,6 +1,7 @@
 import { useEffect } from 'hono/jsx'
 import { openAppSelectorModal } from '../modals'
-import { dashboardTab, isNarrow, setCurrentView, setDashboardTab, setSelectedApp } from '../state'
+import { navigate } from '../router'
+import { dashboardTab, isNarrow } from '../state'
 import {
   AppSelectorChevron,
   DashboardContainer,
@@ -25,14 +26,11 @@ export function DashboardLanding({ render }: { render: () => void }) {
   const narrow = isNarrow || undefined
 
   const openSettings = () => {
-    setSelectedApp(null)
-    setCurrentView('settings')
-    render()
+    navigate('/settings')
   }
 
   const switchTab = (tab: typeof dashboardTab) => {
-    setDashboardTab(tab)
-    render()
+    navigate(tab === 'urls' ? '/' : `/${tab}`)
     if (tab === 'logs') scrollLogsToBottom()
   }
 

src/client/components/Nav.tsx

@@ -1,5 +1,6 @@
 import type { App } from '../../shared/types'
-import { apps, getSelectedTab, setSelectedTab } from '../state'
+import { navigate } from '../router'
+import { apps, getSelectedTab } from '../state'
 import { Tab, TabBar } from '../styles'
 import { resetToolIframe } from '../tool-iframes'
 
@@ -12,8 +13,7 @@ export function Nav({ app, render }: { app: App; render: () => void }) {
       resetToolIframe(tab, app.name)
       return
     }
-    setSelectedTab(app.name, tab)
-    render()
+    navigate(tab === 'overview' ? `/app/${app.name}` : `/app/${app.name}/${tab}`)
   }
 
   // Find all tools

src/client/components/SettingsPage.tsx

@@ -1,6 +1,6 @@
 import { useEffect, useState } from 'hono/jsx'
 import { getWifiConfig, saveWifiConfig } from '../api'
-import { setCurrentView } from '../state'
+import { navigate } from '../router'
 import {
   Button,
   DashboardInstallCmd,
@@ -31,8 +31,7 @@ export function SettingsPage({ render }: { render: () => void }) {
   }, [])
 
   const goBack = () => {
-    setCurrentView('dashboard')
-    render()
+    navigate('/')
   }
 
   const handleSave = async (e: Event) => {

src/client/components/Sidebar.tsx

@@ -1,7 +1,5 @@
 import { openNewAppModal } from '../modals'
 import {
-  setCurrentView,
-  setSelectedApp,
   setSidebarCollapsed,
   sidebarCollapsed,
 } from '../state'
@@ -17,12 +15,6 @@ import {
 import { AppSelector } from './AppSelector'
 
 export function Sidebar({ render }: { render: () => void }) {
-  const goToDashboard = () => {
-    setSelectedApp(null)
-    setCurrentView('dashboard')
-    render()
-  }
-
   const toggleSidebar = () => {
     setSidebarCollapsed(!sidebarCollapsed)
     render()
@@ -40,7 +32,7 @@ export function Sidebar({ render }: { render: () => void }) {
         </div>
       ) : (
         <Logo>
-          <LogoLink onClick={goToDashboard} title="Go to dashboard">
+          <LogoLink href="/" title="Go to dashboard">
             🐾 Toes
           </LogoLink>
           <HamburgerButton onClick={toggleSidebar} title="Hide sidebar">
@@ -50,7 +42,7 @@ export function Sidebar({ render }: { render: () => void }) {
           </HamburgerButton>
         </Logo>
       )}
-      <AppSelector render={render} collapsed={sidebarCollapsed} onDashboard={goToDashboard} />
+      <AppSelector render={render} collapsed={sidebarCollapsed} />
       {!sidebarCollapsed && (
         <SidebarFooter>
           <NewAppButton onClick={openNewAppModal}>+ New App</NewAppButton>

src/client/components/Urls.tsx

@@ -1,5 +1,6 @@
 import { buildAppUrl } from '../../shared/urls'
-import { apps, setSelectedApp } from '../state'
+import { navigate } from '../router'
+import { apps } from '../state'
 import {
   EmptyState,
   Tile,
@@ -22,20 +23,19 @@ export function Urls({ render }: { render: () => void }) {
       {nonTools.map(app => {
         const url = buildAppUrl(app.name, location.origin)
         const running = app.state === 'running'
+        const appPage = `/app/${app.name}`
 
         const openAppPage = (e: MouseEvent) => {
           e.preventDefault()
           e.stopPropagation()
-          setSelectedApp(app.name)
-          render()
+          navigate(appPage)
         }
 
         return (
           <Tile
             key={app.name}
-            href={running ? url : '#'}
+            href={running ? url : appPage}
             target={running ? '_blank' : undefined}
-            onClick={running ? undefined : openAppPage}
           >
             <TileStatus state={app.state} onClick={openAppPage} />
             <TileIcon>{app.icon}</TileIcon>

src/client/index.tsx

@@ -1,7 +1,8 @@
 import { render as renderApp } from 'hono/jsx/dom'
 import { Dashboard } from './components'
-import { apps, getSelectedTab, selectedApp, setApps, setIsNarrow, setSelectedApp } from './state'
 import { initModal } from './components/modal'
+import { initRouter, navigate } from './router'
+import { apps, getSelectedTab, selectedApp, setApps, setIsNarrow } from './state'
 import { initToolIframes, updateToolIframes } from './tool-iframes'
 import { initUpdate } from './update'
 
@@ -41,14 +42,16 @@ narrowQuery.addEventListener('change', e => {
   render()
 })
 
+// Initialize router (sets initial state from URL and renders)
+initRouter(render)
+
 // SSE connection
 const events = new EventSource('/api/apps/stream')
 events.onmessage = e => {
-  const prev = apps
   setApps(JSON.parse(e.data))
 
   if (selectedApp && !apps.some(a => a.name === selectedApp)) {
-    setSelectedApp(null)
+    navigate('/')
   }
 
   render()

src/client/modals/DeleteApp.tsx

@@ -1,6 +1,7 @@
 import type { App } from '../../shared/types'
 import { closeModal, openModal, rerenderModal } from '../components/modal'
-import { selectedApp, setSelectedApp } from '../state'
+import { navigate } from '../router'
+import { selectedApp } from '../state'
 import { Button, Form, FormActions, FormError, FormField, FormInput, FormLabel } from '../styles'
 import { theme } from '../themes'
 
@@ -32,11 +33,11 @@ async function deleteApp(input: HTMLInputElement) {
       throw new Error(`Failed to delete app: ${res.statusText}`)
     }
 
-    // Success - close modal and clear selection
-    if (selectedApp === deleteAppTarget.name) {
-      setSelectedApp(null)
-    }
+    // Success - close modal and navigate to dashboard
     closeModal()
+    if (selectedApp === deleteAppTarget.name) {
+      navigate('/')
+    }
   } catch (err) {
     deleteAppError = err instanceof Error ? err.message : 'Failed to delete app'
     deleteAppDeleting = false

src/client/modals/NewApp.tsx

@@ -1,5 +1,6 @@
 import { closeModal, openModal, rerenderModal } from '../components/modal'
-import { apps, setSelectedApp } from '../state'
+import { navigate } from '../router'
+import { apps } from '../state'
 import { Button, Form, FormActions, FormCheckbox, FormCheckboxField, FormCheckboxLabel, FormError, FormField, FormInput, FormLabel, FormSelect } from '../styles'
 
 type TemplateType = 'ssr' | 'spa' | 'bare'
@@ -48,9 +49,9 @@ async function createNewApp() {
       throw new Error(data.error || 'Failed to create app')
     }
 
-    // Success - close modal and select the new app
-    setSelectedApp(name)
+    // Success - close modal and navigate to the new app
     closeModal()
+    navigate(`/app/${name}`)
   } catch (err) {
     newAppError = err instanceof Error ? err.message : 'Failed to create app'
     newAppCreating = false

src/client/modals/RenameApp.tsx

@@ -1,6 +1,7 @@
 import type { App } from '../../shared/types'
 import { closeModal, openModal, rerenderModal } from '../components/modal'
-import { apps, setSelectedApp } from '../state'
+import { navigate } from '../router'
+import { apps } from '../state'
 import { Button, Form, FormActions, FormError, FormField, FormInput, FormLabel } from '../styles'
 
 let renameAppError = ''
@@ -58,9 +59,9 @@ async function doRenameApp(input: HTMLInputElement) {
       throw new Error(data.error || 'Failed to rename app')
     }
 
-    // Success - update selection and close modal
-    setSelectedApp(data.name || newName)
+    // Success - close modal and navigate to renamed app
     closeModal()
+    navigate(`/app/${data.name || newName}`)
   } catch (err) {
     renameAppError = err instanceof Error ? err.message : 'Failed to rename app'
     renameAppRenaming = false

src/client/router.ts

@@ -0,0 +1,59 @@
+import { setCurrentView, setDashboardTab, setSelectedApp, setSelectedTab } from './state'
+
+let _render: () => void
+
+export function navigate(href: string) {
+  history.pushState(null, '', href)
+  route()
+}
+
+export function initRouter(render: () => void) {
+  _render = render
+
+  // Intercept link clicks
+  document.addEventListener('click', e => {
+    const a = (e.target as Element).closest('a')
+    if (!a || !a.href || a.origin !== location.origin || a.target === '_blank') return
+    if (e.metaKey || e.ctrlKey || e.shiftKey || e.altKey) return
+    e.preventDefault()
+    history.pushState(null, '', a.href)
+    route()
+  })
+
+  // Handle back/forward
+  window.addEventListener('popstate', route)
+
+  // Initial route from URL
+  route()
+}
+
+function route() {
+  const path = location.pathname
+
+  if (path.startsWith('/app/')) {
+    const rest = decodeURIComponent(path.slice(5))
+    const slashIdx = rest.indexOf('/')
+    const name = slashIdx === -1 ? rest : rest.slice(0, slashIdx)
+    const tab = slashIdx === -1 ? 'overview' : rest.slice(slashIdx + 1)
+    setSelectedApp(name)
+    setSelectedTab(name, tab)
+    setCurrentView('dashboard')
+  } else if (path === '/settings') {
+    setSelectedApp(null)
+    setCurrentView('settings')
+  } else if (path === '/logs') {
+    setSelectedApp(null)
+    setDashboardTab('logs')
+    setCurrentView('dashboard')
+  } else if (path === '/metrics') {
+    setSelectedApp(null)
+    setDashboardTab('metrics')
+    setCurrentView('dashboard')
+  } else {
+    setSelectedApp(null)
+    setDashboardTab('urls')
+    setCurrentView('dashboard')
+  }
+
+  _render()
+}

src/client/state.ts

@@ -5,21 +5,20 @@ export type DashboardTab = 'urls' | 'logs' | 'metrics'
 // UI state (survives re-renders)
 export let currentView: 'dashboard' | 'settings' = 'dashboard'
 export let isNarrow: boolean = window.matchMedia('(max-width: 768px)').matches
-export let selectedApp: string | null = localStorage.getItem('selectedApp')
+export let selectedApp: string | null = null
 export let sidebarCollapsed: boolean = localStorage.getItem('sidebarCollapsed') === 'true'
-export let dashboardTab: DashboardTab = (localStorage.getItem('dashboardTab') as DashboardTab) || 'urls'
+export let dashboardTab: DashboardTab = 'urls'
 export let sidebarSection: 'apps' | 'tools' = (localStorage.getItem('sidebarSection') as 'apps' | 'tools') || 'apps'
 
 // Server state (from SSE)
 export let apps: App[] = []
 
 // Tab state
-export let appTabs: Record<string, string> = JSON.parse(localStorage.getItem('appTabs') || '{}')
+export let appTabs: Record<string, string> = {}
 
 // State setters
 export function setDashboardTab(tab: DashboardTab) {
   dashboardTab = tab
-  localStorage.setItem('dashboardTab', tab)
 }
 
 export function setCurrentView(view: 'dashboard' | 'settings') {
@@ -28,11 +27,6 @@ export function setCurrentView(view: 'dashboard' | 'settings') {
 
 export function setSelectedApp(name: string | null) {
   selectedApp = name
-  if (name) {
-    localStorage.setItem('selectedApp', name)
-  } else {
-    localStorage.removeItem('selectedApp')
-  }
 }
 
 export function setIsNarrow(narrow: boolean) {
@@ -59,5 +53,4 @@ export const getSelectedTab = (appName: string | null) =>
 export function setSelectedTab(appName: string | null, tab: string) {
   if (!appName) return
   appTabs[appName] = tab
-  localStorage.setItem('appTabs', JSON.stringify(appTabs))
 }

src/client/styles/layout.ts

@@ -29,7 +29,10 @@ export const Logo = define('Logo', {
 })
 
 export const LogoLink = define('LogoLink', {
+  base: 'a',
   cursor: 'pointer',
+  color: 'inherit',
+  textDecoration: 'none',
   borderRadius: theme('radius-md'),
   padding: '4px 8px',
   margin: '-4px -8px',
@@ -112,6 +115,7 @@ export const AppList = define('AppList', {
 })
 
 export const AppItem = define('AppItem', {
+  base: 'a',
   display: 'flex',
   flexDirection: 'row',
   alignItems: 'center',

src/server/index.tsx

@@ -7,6 +7,7 @@ import systemRouter from './api/system'
 import { Hype } from '@because/hype'
 import { cleanupStalePublishers } from './mdns'
 import { extractSubdomain, proxySubdomain, proxyWebSocket, websocket } from './proxy'
+import { Shell } from './shell'
 import type { Server } from 'bun'
 import type { WsData } from './proxy'
 
@@ -113,6 +114,13 @@ app.get('/dist/:file', async c => {
   })
 })
 
+// SPA routes — serve the shell for all client-side paths
+app.get('/app/:name/:tab', c => c.html(<Shell />))
+app.get('/app/:name', c => c.html(<Shell />))
+app.get('/logs', c => c.html(<Shell />))
+app.get('/metrics', c => c.html(<Shell />))
+app.get('/settings', c => c.html(<Shell />))
+
 cleanupStalePublishers()
 await initApps()