# Audit Fix Tasklist

## Phase 1: UI Theme Consistency & Polish
- [x] 1.1 Make chat messages use dark theme consistently (remove white bg)
- [x] 1.2 Restyle plan cards (remove dashed wireframe look, add fills/icons/status colors)
- [x] 1.3 Fix timeline entry typography (remove monospace, use humanist font)
- [x] 1.4 Structure error messages (icon + title + collapsible detail + action)
- [x] 1.5 Polish input area cohesion (unify focus bar + mode + textarea)

## Phase 2: UX Flow Improvements
- [x] 2.1 Add contextual placeholder text per agent mode in textarea
- [x] 2.2 Add visual mode indicator badge in chat area
- [x] 2.3 Simplify welcome screen (reduce session list noise)
- [x] 2.4 Add slash command discovery hint in empty input
- [x] 2.5 Add confirmation before writing over existing content
- [x] 2.6 Add streaming timeout heartbeat (30s no-data reassurance)

## Phase 3: Error Handling Hardening
- [x] 3.1 Add DB table health check on sidebar init
- [x] 3.2 Improve "no API key" error with settings link
- [x] 3.3 Show in-chat warning when provider fallback triggers
- [x] 3.4 Auto-fallback to registry fallback model on unavailability
- [x] 3.5 Ensure isLoading always resets on all error paths