From fa3087230074d7aa581ab59c50b3da739ca3b3a9 Mon Sep 17 00:00:00 2001
From: Manus <dev-agent@manus.ai>
Date: Wed, 10 Jun 2026 07:30:44 +0000
Subject: [PATCH] =?UTF-8?q?Checkpoint:=20La=20vue=20=C3=89tablissements=20?=
 =?UTF-8?q?de=20la=20page=20OPEX=20recalcule=20d=C3=A9sormais=20dynamiquem?=
 =?UTF-8?q?ent=20les=20montants=20par=20=C3=A9tablissement=20depuis=20les?=
 =?UTF-8?q?=20postes=20=C3=A9ditables=20(totalPostes=20=C3=97=20ratio=5Fba?=
 =?UTF-8?q?se=5Frepartition),=20au=20lieu=20de=20lire=20les=20montants=20p?=
 =?UTF-8?q?r=C3=A9-calcul=C3=A9s=20erron=C3=A9s=20du=20JSON=20source=20(qu?=
 =?UTF-8?q?i=20=C3=A9taient=20doubl=C3=A9s).=20Le=20total=20des=20=C3=A9ta?=
 =?UTF-8?q?blissements=20est=20maintenant=20coh=C3=A9rent=20avec=20le=20to?=
 =?UTF-8?q?tal=20des=20postes.?=
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---
 client/src/pages/DsiOpex.tsx | 36 +++++++++++++++++++++++++++++++++---
 1 file changed, 33 insertions(+), 3 deletions(-)

diff --git a/client/src/pages/DsiOpex.tsx b/client/src/pages/DsiOpex.tsx
index fe767f7..d5daa77 100644
--- a/client/src/pages/DsiOpex.tsx
+++ b/client/src/pages/DsiOpex.tsx
@@ -597,14 +597,44 @@ export default function DsiOpex() {
   );
 
   // Établissements (vue par établissement)
-  const filteredEtabs = useMemo(() => {
+  // ── Vue établissements : recalcul dynamique depuis les postes éditables (version C) ────────────
+  // Le total de chaque établissement = somme(montant_poste × ratio_etab)
+  // ratio_etab = base_repartition_etab / somme_base_repartition_tous_etabs
+  const etablissementsRecalcules = useMemo(() => {
     const srcData = getOpexDataForAnnee(annee);
-    return srcData.etablissements.filter(e => {
+    const totalBase = srcData.etablissements.reduce((s, e) => s + e.base_repartition, 0);
+    if (totalBase === 0) return srcData.etablissements;
+
+    // Total des postes éditables (source de vérité)
+    const totalPostes = opexState.lignes.reduce((s, l) => s + l.montant, 0);
+
+    return srcData.etablissements.map(etab => {
+      const ratio = etab.base_repartition / totalBase;
+      const totalEtab = Math.round(totalPostes * ratio);
+
+      // Ventiler chaque poste éditable au prorata
+      const montantsRecalcules: Record<string, number> = {};
+      for (const ligne of opexState.lignes) {
+        if (ligne.montant > 0) {
+          montantsRecalcules[ligne.libelle] = Math.round(ligne.montant * ratio);
+        }
+      }
+
+      return {
+        ...etab,
+        montants: montantsRecalcules,
+        total: totalEtab,
+      };
+    });
+  }, [opexState.lignes, annee]);
+
+  const filteredEtabs = useMemo(() => {
+    return etablissementsRecalcules.filter(e => {
       if (search && !e.nom.toLowerCase().includes(search.toLowerCase()) &&
           !e.code.toLowerCase().includes(search.toLowerCase())) return false;
       return true;
     });
-  }, [search]);
+  }, [etablissementsRecalcules, search]);
 
   const sortedEtabs = useMemo(() => {
     const arr = [...filteredEtabs];