Requirement	Priority	Dependency	Priority 1-2-3
5.1 View inbound attachments in-app. PDF and image files render in-app preview; other file types offer download. (Feeds G9 — attachments are a top-3 reason agents visit SF)	Must	—	1
5.2 Send outbound attachments as real email attachments (not public URL workaround). Until the SF email mutation API supports this, outbound attachments are unavailable in v2 — the v1 public URL workaround is not carried forward. (Feeds G1, G9 — top-3 case rejection reason; agents leave app to attach files in SF)	Must	Blocked on SF email mutation API enhancement	1
5.3 Attachment file size and count limits are enforced with clear feedback to the agent	Should	—