feat: RLA API v1.0.0 — API complète + exports + thème McKinsey

- 9 endpoints métier : synthese, alertes, en-service, en-cours,
  par-region, clotures, pilotage-proactif, matrice-risque
- Exports PDF (tous rôles) / XLSX PPTX DOCX (superadmin)
- services/calc.js : helpers normalisés partagés
- services/export-pdf.js : PDF async PDFKit par vue
- Thème McKinsey (#1C2B4B / bleu pétrole / gris sobre)
- Boutons XLSX/DOCX front (superadmin uniquement)
- BASEROW_API_URL → https://baserow.bolbol.tn/api/
- dotenv override: true

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

routes/clotures.js

@@ -0,0 +1,50 @@
+/**
+ * GET /api/clotures
+ * Marchés clôturés
+ */
+const express = require('express');
+const router  = express.Router();
+const { getMarches } = require('../services/baserow');
+const { isCloture, normalizeMarche, parseNum, formatMontant } = require('../services/calc');
+
+router.get('/', async (req, res) => {
+  try {
+    const { region, entrepreneur, projet, nature } = req.query;
+    const regionFilter = req.regionFilter;
+
+    let rows = await getMarches();
+
+    // Uniquement clôturés
+    rows = rows.filter(r => isCloture(r));
+
+    // Filtres
+    if (regionFilter) rows = rows.filter(r => r.region === regionFilter);
+    else if (region)  rows = rows.filter(r => r.region === region);
+    if (entrepreneur) rows = rows.filter(r => String(r.entrepreneur || '').toLowerCase().includes(entrepreneur.toLowerCase()));
+    if (projet)       rows = rows.filter(r => String(r.projet || '').toLowerCase().includes(projet.toLowerCase()));
+    if (nature)       rows = rows.filter(r => String(r.nature || '').toLowerCase().includes(nature.toLowerCase()));
+
+    const items = rows.map(normalizeMarche);
+
+    const totalBudget = rows.reduce((s, r) => s + parseNum(r.tot_marche ?? r.totmarche ?? r.montant), 0);
+
+    // Par région
+    const parRegion = {};
+    for (const r of rows) {
+      const reg = r.region || 'Inconnu';
+      parRegion[reg] = (parRegion[reg] || 0) + 1;
+    }
+
+    res.json({
+      count:   items.length,
+      budget_total: formatMontant(totalBudget),
+      budget_total_raw: totalBudget,
+      par_region: parRegion,
+      items,
+    });
+  } catch (err) {
+    res.status(502).json({ error: 'Erreur Baserow', detail: err.message });
+  }
+});
+
+module.exports = router;