v0.15.0

LAVA v0.15.0

• New conversation analytics view, giving analysts aggregate insight into conversation data beyond the individual message thread.
• Conversation view enhancements: user-selectable extra columns, sortable conversation lists, compact badge numbers with tooltip details, and conversations now labeled by participant when no label column is set.
• Performance and export improvements: optimized data queries, better control over large HTML exports, and a persistently visible page-size selector in table footers.
• Image viewer upgrade adding detailed image metadata to the view.
• Key fixes: quoted SQL identifiers in artifact table queries (preventing crashes on reserved-word column names) and a UI re-render state bug caught and resolved.