{ "id": "em1f2a3b-0000-0000-0000-000000000000", "email_id": "00000000-0000-0000-0000-000000000000", "thread_id": "thread_abc", "from_addr": ["lead@example.com"], "to_addr": ["jane@acme.com"], "subject": "Re: quick question", "snippet": "Yes, let us set up a call...", "internal_date": "2026-06-28T12:00:00Z", "seen": false, "message_count": 2, "has_unread": true, "labels": [] }