Enable the web client to run in plain browser environments alongside Telegram Mini App support:
- Server: Add CLI_API_TOKEN authentication path as alternative to Telegram initData
- Client: Add useAuthSource hook to detect and manage Telegram vs browser auth sources
- Client: Add usePlatform hook for platform abstraction with graceful haptic feedback degradation
- Client: Add LoginPrompt component for browser access token login
- Client: Extend useTheme to fall back to system prefers-color-scheme in browser
- Client: Migrate all direct HapticFeedback calls to use usePlatform hook
Adds todo tracking infrastructure with TodoWrite tool integration to extract
and persist todos in sessions. Refactors ToolCard component to support
custom tool view rendering and displays todo progress in SessionList.
weishu