New APY/XIRR and CAGR Columns
Color coded green/red based on length of ownership
Sortable
Toggleable via settings panel

Quick Info Popup Enhancements
Hard refresh button to re-capture cost basis lots without leaving the page
Discord copy respects new settings (cross-account header toggle, account ID masking toggle)

Column Header Context Menu
Right-click any column header to toggle visibility
Works for both native Fidelity columns and injected columns
Synced with settings panel toggles
Persistent label cache so hidden columns can be re-shown

Copy Purchase History Button
Button injected into the tax lot drawer to copy lot data as Excel-formatted TSV or Discord text

Discord Copy Settings
Toggle whether to show "Cross-Account Ownership" header
Toggle whether to show masked account numbers

Extension Options Page (full new page)
Accessible via ⚙ Options button in the popup header
View and edit all price alerts
View cost basis data with override editing
View and manage notes
Full export/import/clear data management

Bug Fixes
XIRR descending sort was mixing accounts
Copy lots button was only copying first 10 rows