Appendix — feature coverage by route

Route File	Features Covered
inbox.py	Email list, pagination, folder filter, unread filter
thread.py	Message detail, thread view, HTML sanitization, attachments
compose.py	New/reply/forward, draft save, send
search.py	Keyword search, semantic search, filters, saved searches
calendar.py	Week view, event create, availability, meeting response
settings.py	Read-only config display
bulk.py	Bulk mark/archive/delete/move/label (API only)
actions.py	Single email actions
dashboard.py	Priority inbox, stats, today's events
chat.py	AI assistant chat
analysis.py	Email analysis sidebar
notifications.py	Notification check/subscribe