Add SWOT output enhancements

Fix: Track actual data source (SEC vs Yahoo) for fundamentals metrics

Frontend: Remove Editor Agent from process visualization

Rename financials to fundamentals across frontend and backend

Rename financials to fundamentals for schema consistency

Add temporal data (fiscal year, period) to financials display

Improve output layout for export/print

Fix MCPDataPanel to use metrics from activity log

Add MCP source data panel above SWOT results

Initial commit: Instant SWOT Agent