Meet のメモ機能が対面の打ち合わせに対応しました。先に決めるのは Drive の受け皿です

const CONFIG = {
  // _inbox フォルダの ID（Drive の URL 末尾）
  intakeFolderId: 'YOUR_FOLDER_ID',
  // 決定事項を溜める台帳スプレッドシートの ID
  ledgerSheetId: 'YOUR_SHEET_ID',
  // モデル ID は公式のモデル一覧で現行のものを確認してください
  model: 'gemini-3.7-flash',
};
 
function collectMeetingNotes() {
  const folder = DriveApp.getFolderById(CONFIG.intakeFolderId);
  const files = folder.getFilesByType(MimeType.GOOGLE_DOCS);
  const store = PropertiesService.getScriptProperties();
 
  while (files.hasNext()) {
    const file = files.next();
    const doneKey = 'done_' + file.getId();
    if (store.getProperty(doneKey)) continue;
 
    const section = extractSummarySection(file.getId());
    if (!section) continue;
 
    const result = askGemini(section);
    appendToLedger(file, result);
    store.setProperty(doneKey, String(Date.now()));
  }
}

function extractSummarySection(docId) {
  const body = DocumentApp.openById(docId).getBody();
  const total = body.getNumChildren();
  const HEADINGS = ['要約', 'まとめ', 'Summary'];
  const lines = [];
  let started = false;
 
  for (let i = 0; i < total; i++) {
    const el = body.getChild(i);
    const type = el.getType();
    if (type !== DocumentApp.ElementType.PARAGRAPH &&
        type !== DocumentApp.ElementType.LIST_ITEM) continue;
 
    const item = (type === DocumentApp.ElementType.PARAGRAPH)
      ? el.asParagraph()
      : el.asListItem();
    const text = item.getText().trim();
    const isHeading = item.getHeading() !== DocumentApp.ParagraphHeading.NORMAL;
 
    if (isHeading) {
      if (!started && HEADINGS.some(function (h) { return text.indexOf(h) === 0; })) {
        started = true;
        continue;
      }
      if (started) break;  // 次の見出しに入ったら打ち切る
      continue;
    }
    if (started && text) lines.push(text);
  }
  return lines.length ? lines.join('\n') : null;
}

function askGemini(sectionText) {
  const apiKey = PropertiesService.getScriptProperties().getProperty('GEMINI_API_KEY');
  const endpoint = 'https://generativelanguage.googleapis.com/v1beta/models/' +
    CONFIG.model + ':generateContent';
 
  const payload = {
    contents: [{
      role: 'user',
      parts: [{ text: buildPrompt(sectionText) }]
    }],
    generationConfig: {
      responseMimeType: 'application/json',
      responseSchema: {
        type: 'object',
        properties: {
          decisions: { type: 'array', items: { type: 'string' } },
          owners: { type: 'array', items: { type: 'string' } },
          due: { type: 'string' }
        },
        required: ['decisions']
      }
    }
  };
 
  const res = UrlFetchApp.fetch(endpoint, {
    method: 'post',
    contentType: 'application/json',
    headers: { 'x-goog-api-key': apiKey },
    payload: JSON.stringify(payload),
    muteHttpExceptions: true
  });
 
  const code = res.getResponseCode();
  if (code !== 200) {
    throw new Error('Gemini API ' + code + ': ' + res.getContentText());
  }
  const body = JSON.parse(res.getContentText());
  return JSON.parse(body.candidates[0].content.parts[0].text);
}
 
function buildPrompt(sectionText) {
  return [
    '次は打ち合わせの要約です。決まったことだけを抜き出してください。',
    '検討中の案、保留になった話題、感想は含めないでください。',
    'owners には decisions と同じ順で担当者名を入れ、不明な場合は空文字にしてください。',
    '---',
    sectionText
  ].join('\n');
}

function appendToLedger(file, result) {
  const sheet = SpreadsheetApp.openById(CONFIG.ledgerSheetId).getSheets()[0];
  const decisions = result.decisions || [];
  const owners = result.owners || [];
  if (!decisions.length) return;
 
  const rows = decisions.map(function (text, i) {
    return [
      Utilities.formatDate(file.getDateCreated(), 'Asia/Tokyo', 'yyyy-MM-dd'),
      file.getName(),
      text,
      owners[i] || '',
      result.due || '',
      file.getUrl()
    ];
  });
 
  sheet.getRange(sheet.getLastRow() + 1, 1, rows.length, rows[0].length)
       .setValues(rows);
}