feat: add download toast, e2e permission tests, and update favicons

- Add download toast component with progress indicator and auto-dismiss
- Add download store for managing file download state
- Add e2e tests for permission prompts (allow/deny flows)
- Add global setup for e2e tests with isolated daemon instance
- Update favicon assets with new design
- Refactor agent-stream-view to use shared tool-call-details component
- Simplify file-explorer-pane component
- Clean up unused screenshots and PRODUCTION.md

🤖 Generated with [Claude Code](https://claude.com/claude-code)

packages/app/e2e/fixtures.ts

@@ -2,7 +2,7 @@ import { test, expect, type Page } from '@playwright/test';
 
 const consoleEntries = new WeakMap<Page, string[]>();
 
-test.beforeEach(({ page }) => {
+test.beforeEach(async ({ page }) => {
   const entries: string[] = [];
   consoleEntries.set(page, entries);
 
@@ -13,6 +13,21 @@ test.beforeEach(({ page }) => {
   page.on('pageerror', (error) => {
     entries.push(`[pageerror] ${error.message}`);
   });
+
+  // Set up test daemon connection if available
+  const daemonPort = process.env.E2E_DAEMON_PORT;
+  if (daemonPort) {
+    const testDaemon = {
+      id: 'e2e-test-daemon',
+      label: 'localhost',
+      wsUrl: `ws://localhost:${daemonPort}/ws`,
+      createdAt: new Date().toISOString(),
+      updatedAt: new Date().toISOString(),
+    };
+    await page.addInitScript((daemon) => {
+      localStorage.setItem('@paseo:daemon-registry', JSON.stringify([daemon]));
+    }, testDaemon);
+  }
 });
 
 test.afterEach(async ({ page }, testInfo) => {