Switching sessions ran as one synchronous commit: sidebar highlight, URL, a full timeline remount with markdown re-parse, and around nine requests, so nothing changed on screen for 150-250ms after the click. - ChatContainer swaps the timeline on a deferred copy of the selection, so the active row, URL, and tab commit first and the timeline renders behind them; selection policy keeps reading the live store value. - The message fetch starts before the selection is published. - Sidebar rows stop re-rendering on a project switch: directory-scoped sync hooks read the runtime context and a subscribable current-directory source instead of the directory-bearing context; the grouping builder reads git branches through a ref and section caches key the branches they use; descendant ids are keyed by content. Rows per switch went from 73 to 8. - Markdown skips the async re-render when the settled cached blocks are already painted, and mounts synchronously once its lazy module is loaded; the module is preloaded at boot. - A timeline reveal gate holds a freshly opened session at opacity 0 while any provisional markdown paint catches up (250ms cap), then fades the whole timeline in once, so text, tools, and recap appear together. - Switch fan-out trimmed: knowledge summary deduped, MCP status refreshed only when stale, non-repo directories cached by the git repo check, OpenChamber defaults cached briefly, agent memory reused for the same project, goal text cached, PWA manifest rebuilt after the switch settles. - Header tabs snap into the active state and keep the title at the same height in both states. - Prefetch on row press; composer focus moved off the commit. `bun run profile:switch` records ack/content latency, longest task, and requests per switch, cold and warm, and compares runs against a baseline. Measured warm switch: ack 228ms to about 40-60ms, content 228ms to about 100-120ms.
75 lines
2.6 KiB
TypeScript
75 lines
2.6 KiB
TypeScript
import { StrictMode } from 'react'
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import { createRoot } from 'react-dom/client'
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import './styles/fonts'
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import './index.css'
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import App from './App.tsx'
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import { SessionAuthGate } from './components/auth/SessionAuthGate'
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import { ThemeSystemProvider } from './contexts/ThemeSystemContext'
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import { ThemeProvider } from './components/providers/ThemeProvider'
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import './lib/debug'
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import { syncDesktopSettings, initializeAppearancePreferences } from './lib/persistence'
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import { startAppearanceAutoSave } from './lib/appearanceAutoSave'
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import { applyPersistedDirectoryPreferences } from './lib/directoryPersistence'
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import { preloadMarkdownRenderer } from './components/chat/markdownRendererLoader'
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import { startTypographyWatcher } from './lib/typographyWatcher'
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import { startModelPrefsAutoSave } from './lib/modelPrefsAutoSave'
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import { initializeLocale, I18nProvider } from './lib/i18n'
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import type { RuntimeAPIs } from './lib/api/types'
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declare global {
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interface Window {
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__OPENCHAMBER_RUNTIME_APIS__?: RuntimeAPIs;
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}
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}
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const runtimeAPIs = (typeof window !== 'undefined' && window.__OPENCHAMBER_RUNTIME_APIS__) || (() => {
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throw new Error('Runtime APIs not provided for legacy UI entrypoint.');
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})();
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initializeLocale();
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// Initialize settings asynchronously — the app renders with defaults first
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// and hydrates once persisted preferences are applied. Users with non-default
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// themes may briefly see default appearance on cold start; accepted trade-off
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// for faster time-to-first-paint.
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void initializeAppearancePreferences().then(() => {
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void Promise.all([
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syncDesktopSettings(),
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applyPersistedDirectoryPreferences(),
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]).catch((err) => {
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console.error('[main] settings init failed:', err);
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});
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// Start watchers regardless of whether secondary settings succeed.
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startAppearanceAutoSave();
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startModelPrefsAutoSave();
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startTypographyWatcher();
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}).catch((err) => {
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console.error('[main] appearance init failed:', err);
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});
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const rootElement = document.getElementById('root');
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if (!rootElement) {
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throw new Error('Root element not found');
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}
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// The first session opened after load renders its messages through the lazy
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// markdown chunk; fetching it now, while the app boots, means that open shows
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// text instead of empty message boxes until the chunk arrives.
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preloadMarkdownRenderer();
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createRoot(rootElement).render(
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<StrictMode>
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<I18nProvider>
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<ThemeSystemProvider>
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<ThemeProvider>
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<SessionAuthGate>
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<App apis={runtimeAPIs} />
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</SessionAuthGate>
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</ThemeProvider>
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</ThemeSystemProvider>
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</I18nProvider>
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</StrictMode>,
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);
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