Adds service worker with network-first navigation (SPA fallback) and
cache-first static assets. Enhances web manifest with start_url, scope,
id, description, orientation, and maskable icon entry.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add favicon and web manifest branding assets. Major AgentDetail page
rework with tabbed sections, run history, and live status. Add
PageTabBar component for consistent page-level tabs. Expand
AgentConfigForm with more adapter fields. Improve NewAgentDialog,
OnboardingWizard, and Issues page layouts.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
