Context Window Management:
- Add ContextFullModal with recovery options (summarize, new chat, dismiss)
- Show toast notifications at 85% and 95% context thresholds
- Block sending when context exceeds 100% until user takes action
Conversation Summarization:
- Add isSummarized/isSummary flags to Message type
- Implement markAsSummarized() and insertSummaryMessage() in ChatState
- Add messagesForContext derived state (excludes summarized, includes summaries)
- Complete handleSummarize flow with LLM summary generation
- Add amber-styled summary message UI with archive icon
Auto-scroll Fixes:
- Fix Svelte 5 reactivity issues by using plain variables instead of $state
- Add continuous scroll during streaming via streamBuffer tracking
- Properly handle user scroll override (re-enable at bottom)
Drag & Drop Improvements:
- Add full-screen drag overlay with document-level event listeners
- Use dragCounter pattern for reliable nested element detection
- Add hideDropZone prop to FileUpload/ImageUpload components
Additional Features:
- Add SystemPromptSelector for per-conversation prompts
- Add SearchModal for full-text message search
- Add ShortcutsModal for keyboard shortcuts help
- Add theme toggle to TopNav
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
vikingowl
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