Correction des redirections

frontend/src/components/InvMensuelTable.jsx

@@ -27,7 +27,7 @@ const STATUT_FG = {
   cloture:   'var(--text-muted)',
 };
 
-export default function InvMensuelTable({ rows, allRembs, allReinvests, year }) {
+export default function InvMensuelTable({ rows, allRembs, allReinvests, year, originFrom }) {
   const navigate     = useNavigate();
   const currentYear  = new Date().getFullYear();
   const currentMonth = new Date().getMonth() + 1;
@@ -142,7 +142,7 @@ export default function InvMensuelTable({ rows, allRembs, allReinvests, year })
           {grid.map(({ inv, months }) => (
             <tr key={inv.id} className="tip-row-plat"
               style={{ cursor: 'pointer' }}
-              onClick={() => navigate(`/investissements/${inv.id}`)}>
+              onClick={() => navigate(`/investissements/${inv.id}`, originFrom ? { state: { from: originFrom } } : undefined)}>
 
               <td className="tip-td-name" style={{ whiteSpace: 'normal', maxWidth: '40ch', wordBreak: 'break-word' }}>
                 {inv.nom_projet || '—'}

frontend/src/components/Layout.jsx

@@ -1,5 +1,5 @@
 import { useCallback, useEffect, useRef, useState } from 'react';
-import { NavLink, Outlet, useNavigate } from 'react-router-dom';
+import { NavLink, Outlet, useLocation, useNavigate } from 'react-router-dom';
 import { api } from '../api.js';
 import { useInvestisseur } from '../context/InvestisseurContext.jsx';
 import { useUi } from '../context/UiContext.jsx';
@@ -64,6 +64,7 @@ const IconPanelExpand = () => (
 /* ── Recherche rapide de projet ─────────────────────────────── */
 function ProjectSearch() {
   const navigate   = useNavigate();
+  const location   = useLocation();
   const { activeId, activeView } = useInvestisseur();
   const [query,     setQuery]     = useState('');
   const [allInv,    setAllInv]    = useState([]);
@@ -118,9 +119,25 @@ function ProjectSearch() {
     setActiveIdx(-1);
   }, [results.length, query]); /* eslint-disable-line */
 
+  const PAGE_LABELS = {
+    '/':                    'Tableau de bord',
+    '/investissements':     'Investissements',
+    '/remboursements':      'Remboursements',
+    '/depots-retraits':     'Dépôts / Retraits',
+    '/2778-sd':             'Fiscalité',
+    '/plateformes':         'Plateformes',
+    '/taxreport':           'Fiscalité',
+    '/settings':            'Paramètres',
+    '/compte':              'Mon compte',
+    '/admin':               'Administration',
+  };
+  const currentLabel = PAGE_LABELS[location.pathname] ?? 'Recherche';
+
   const goTo = (inv) => {
     setQuery(''); setOpen(false);
-    navigate(`/investissements/${inv.id}`);
+    navigate(`/investissements/${inv.id}`, {
+      state: { from: { path: location.pathname, search: location.search, label: currentLabel } },
+    });
   };
 
   const handleKeyDown = (e) => {