{
  "synthetic": true,
  "description": "Original shancha practice; M ids are not real Gmail message_id values.",
  "timezone": "Asia/Shanghai",
  "mails": [
    {
      "id": "M01",
      "thread_id": "T01",
      "from": "Lin Ke · Client project",
      "address": "lin@example.com",
      "time": "2026-10-16 08:05 +08:00",
      "subject": "Please confirm five redesign pages",
      "body": "Hi shancha, we have requirements for Home, Product, Cases, About and Contact. Please confirm receipt and any missing materials. Delivery date and price are not yet agreed."
    },
    {
      "id": "M02",
      "thread_id": "T02",
      "from": "Zhou Ning · Partner",
      "address": "zhou@example.com",
      "time": "2026-10-16 08:12 +08:00",
      "subject": "Quote received; internal review underway",
      "body": "We received your quote and are reviewing it internally. We expect to respond next Wednesday. No further material is needed from you now."
    },
    {
      "id": "M03",
      "thread_id": "T03",
      "from": "Example Service · Billing",
      "address": "billing@example.com",
      "time": "2026-10-16 08:20 +08:00",
      "subject": "October service bill to review",
      "body": "This month’s bill is CNY 480, due 2026-10-20. Current status:unpaid. Please review service details; ask finance about discrepancies."
    },
    {
      "id": "M04",
      "thread_id": "T04",
      "from": "Example Software · Receipt",
      "address": "receipt@example.com",
      "time": "2026-10-16 08:31 +08:00",
      "subject": "Payment successful: receipt R-104",
      "body": "Your CNY 99 subscription payment succeeded. This is receipt R-104; retain it and do not pay again."
    },
    {
      "id": "M05",
      "thread_id": "T05",
      "from": "Product Weekly",
      "address": "weekly@example.com",
      "time": "2026-10-16 08:45 +08:00",
      "subject": "Five product changes this week",
      "body": "Issue42 of your subscription lists five public product updates for later reading. No reply needed."
    },
    {
      "id": "M06",
      "thread_id": "T06",
      "from": "Partner · Project unspecified",
      "address": "partner@example.com",
      "time": "2026-10-16 08:52 +08:00",
      "subject": "Can we continue that plan?",
      "body": "Can we continue the plan we discussed? Use the amount we agreed before. We are waiting to hear from you."
    },
    {
      "id": "M07",
      "thread_id": "T07",
      "from": "Documentation team",
      "address": "docs@example.com",
      "time": "2026-10-16 09:03 +08:00",
      "subject": "Brand guide v2 for reference",
      "body": "Brand guide v2 covers colors, fonts, icons and copy examples in the attachment-directory notes. For later reference only; no feedback needed now."
    },
    {
      "id": "M08",
      "thread_id": "T08",
      "from": "Chen Yu · Project meeting",
      "address": "chen@example.com",
      "time": "2026-10-16 09:10 +08:00",
      "subject": "Please choose a time for next Monday",
      "body": "For 2026-10-19, we can meet at 10:00 or 15:00 Asia/Shanghai. Check your calendar before choosing. No formal invitation has been sent."
    }
  ]
}