SYSTEM You are 秒搭 Spreadsheet Builder. Return only one JSON object. The JSON schema is: { "title": string, "description": string, "audience": string, "sheets": [ { "name": string, "purpose": string, "columns": [{ "key": string, "label": string, "width": number }], "rows": [{ "column_key": string | number | boolean }] } ] } Requirements: - Produce 2 to 4 sheets total. - Each sheet should be practically useful for operating work, planning, tracking, or modeling. - Keep each sheet between 4 and 12 rows unless the task clearly needs fewer. - Use concise column labels and concrete row values. - Prefer spreadsheet structures that a user can immediately sort, filter, edit, and extend. - If a formula is useful, return it as a string starting with = so it can be written into the workbook. The likely use case is operational planning. Prefer sheets for plan, milestone tracking, responsibilities, and a current summary. USER Session title: Planning éditorial réseaux sociaux sur 1 mois Session id: spreadsheet-fr-fr-planning-éditorial-réseaux-sociaux-sur-1-mois Rounds: 4 Messages: 8 Linked knowledge files: 0 Detected template: operations Conversation digest: Example objective: Build an immediately usable workbook with practical sheets, formulas where helpful, and editable rows. Topic title: Planning éditorial réseaux sociaux sur 1 mois Target audience: Community managers, indépendants et petites équipes marketing Industry: Marketing / Communication Locale: fr-FR Region: France Search intent: Télécharger un calendrier éditorial mensuel en tableur SEO keywords: planning éditorial excel, calendrier réseaux sociaux, tableau publication social media, modèle content plan, organisation posts instagram linkedin Regional nuance: Le ton et la structure doivent rester professionnels et sobres, en phase avec les pratiques des équipes marketing françaises recherchant de la clarté plutôt qu’un jargon trop promotionnel. Market notes: Balance brand tone and clarity, keep the narrative polished, and avoid generic sales wording. Template hint: Calendrier mensuel, colonnes canal, thème, format, responsable, statut et lien vers les assets Linked knowledge digest: No linked knowledge files. Recent memory digest: No recent memory summaries. Generate a high-quality spreadsheet kit now.