{
  "corpus_id": "proposal_v1",
  "note": "SYNTHETIC. All organisations, roles, amounts, dates and commitments are invented for the demo. English rendering of the frozen eval-pack corpus v1 (2026-09-23_multiplayer_eval_pack.md); meaning unchanged.",
  "room": {
    "name": "Northstar Demo workshop proposal (synthetic)",
    "goal": "Agree a client-ready proposal for the Northstar Demo workshop that respects the approved budget, date and no-recording rule."
  },
  "state_version": 3,
  "sources": [
    {
      "ref": "S1",
      "title": "Current brief",
      "status": "active",
      "body": "Fictional agency Canal Demo is preparing a proposal for the fictional client Northstar Demo: a one-day hands-on workshop for 80 participants on 30/10/2026. Spending limit: €12 000 excl. VAT. Video and audio recording of participants is prohibited. No promises of hiring and no guaranteed sales."
    },
    {
      "ref": "S2",
      "title": "Approved decisions — proposal version 3",
      "status": "active",
      "body": "D1: one-day workshop, 80 participants. D2: budget €12 000. D3: no recording of participants. D4: a €1 000 reserve must be kept. D5: date 30/10/2026. All five decisions were approved by the lead. S2 explicitly supersedes the budget and the filming permission in S4."
    },
    {
      "ref": "S3",
      "title": "Cost estimate v3",
      "status": "active",
      "body": "Venue €3 000; catering €2 400; mentors €2 600; operations €2 000; reserve €1 000. Total spend €11 000. Unallocated remainder €1 000. The video option from the new offer costs another €2 500; total spend with it would be €13 500, which is €1 500 over the limit."
    },
    {
      "ref": "S4",
      "title": "ARCHIVED brief v1 (02/09/2026, older than S2)",
      "status": "archived",
      "body": "Archived draft from 02/09/2026. Draft budget €15 000; filming of the workshop was discussed. This is an archived version: its decisions are no longer in force after S2."
    },
    {
      "ref": "S5",
      "title": "Open question — additional prizes",
      "status": "active",
      "body": "The team discussed additional prizes. The amount and the source of funding are NOT agreed. This discussion is not a decision and not a confirmation of funding."
    },
    {
      "ref": "S6",
      "title": "Mentor availability",
      "status": "active",
      "body": "Mentors are confirmed only for 30/10/2026. Availability on 20/10/2026 is unknown. Changing the date requires an operations check and a new decision by the approver."
    },
    {
      "ref": "S7",
      "title": "Roles",
      "status": "active",
      "body": "The owner/approver can approve changes and invite people. Two contributors can propose changes. An invited contributor cannot approve changes or change roles. These rules are enforced by the server; this text only explains them."
    }
  ],
  "decisions": [
    { "ref": "D1", "title": "Format", "body": "One-day workshop for 80 participants (S2)." },
    { "ref": "D2", "title": "Budget", "body": "Total budget €12 000 excl. VAT (S2, supersedes S4)." },
    { "ref": "D3", "title": "No recording", "body": "No video or audio recording of participants (S1, S2)." },
    { "ref": "D4", "title": "Reserve", "body": "A €1 000 reserve must be kept (S2, S3)." },
    { "ref": "D5", "title": "Date", "body": "Workshop date 30/10/2026 (S2, S6)." }
  ],
  "questions": [
    { "ref": "Q1", "title": "Additional prizes", "body": "Amount and funding source are not agreed (S5)." },
    { "ref": "Q2", "title": "Mentors on 20/10/2026", "body": "Mentor availability on 20/10/2026 is unknown; operations must check before any date change (S6)." }
  ],
  "document": {
    "blocks": [
      {
        "id": "overview",
        "title": "Overview",
        "body": "Canal Demo proposes a one-day hands-on workshop for Northstar Demo on 30/10/2026 for 80 participants."
      },
      {
        "id": "format",
        "title": "Format",
        "body": "Hands-on workshop with mentors on site. No video or audio recording of participants."
      },
      {
        "id": "budget",
        "title": "Budget (excl. VAT)",
        "body": "Venue: €3 000\nCatering: €2 400\nMentors: €2 600\nOperations: €2 000\nReserve: €1 000\nTotal: €11 000 of the €12 000 limit"
      },
      {
        "id": "commitments",
        "title": "Commitments",
        "body": "No hiring promises and no guaranteed sales outcomes."
      }
    ]
  },
  "budget_rules": {
    "block_id": "budget",
    "limit_eur": 12000,
    "reserve_label": "Reserve",
    "reserve_min_eur": 1000,
    "sources": ["S2", "S3"],
    "decisions": ["D2", "D4"]
  },
  "seed_messages": [
    { "author": "owner", "body": "Welcome! This room holds the Northstar Demo proposal. Decisions D1–D5 are approved; please check the context tabs before proposing changes." }
  ]
}