SYNTHETIC TRAINING PACK: six fictional self-authored messages only. No real messages were accessed. Held-out tasks and other authors are excluded. E1 | Email | author: Alex Chen (fictional sample owner) | audience: External supplier Hi Jo, The revised estimate works for us. Please separate delivery from installation so I can compare the two costs. Can you send that breakdown by Thursday? Thanks, Alex E2 | Email | author: Alex Chen (fictional sample owner) | audience: External customer Hi Sam, We can review the revised scope this week. I need the site measurements before I can confirm a price. Please send the measurements and your preferred review time. Thanks, Alex T1 | Teams | author: Alex Chen (fictional sample owner) | audience: Internal project group The supplier file is ready for review. The delivery date is still open. Priya, can you confirm it with the supplier before we update the plan? T2 | Teams | author: Alex Chen (fictional sample owner) | audience: Internal project group I checked the revised drawing. The mounting detail looks right; the load rating still needs engineering sign-off. Please keep that item open. S1 | Slack | author: Alex Chen (fictional sample owner) | audience: Internal operations channel Quick update: the import is complete. Two rows need a customer ID. Can someone from ops check those before we close this out? S2 | Slack | author: Alex Chen (fictional sample owner) | audience: Internal operations channel Thanks for catching that. Keep the current version live while we check the fix. I’ll post the result here once the check is done.