Correctif Contrainte de suppression de compte

backend/src/db/schema.sql

@@ -70,7 +70,7 @@ CREATE INDEX IF NOT EXISTS idx_plateformes_user ON plateformes(user_id);
 CREATE TABLE IF NOT EXISTS depots_retraits (
   id              INTEGER PRIMARY KEY,
   investisseur_id INTEGER NOT NULL REFERENCES investisseurs(id) ON DELETE CASCADE,
-  plateforme_id   INTEGER NOT NULL REFERENCES plateformes(id) ON DELETE RESTRICT,
+  plateforme_id   INTEGER NOT NULL REFERENCES plateformes(id) ON DELETE CASCADE,
   date_operation  TEXT NOT NULL,              -- ISO YYYY-MM-DD
   type            TEXT NOT NULL CHECK(type IN ('depot','retrait')),
   montant         REAL NOT NULL CHECK(montant >= 0),
@@ -92,7 +92,7 @@ CREATE INDEX IF NOT EXISTS idx_depret_date ON depots_retraits(date_operation);
 CREATE TABLE IF NOT EXISTS investissements (
   id                 INTEGER PRIMARY KEY,
   investisseur_id    INTEGER NOT NULL REFERENCES investisseurs(id) ON DELETE CASCADE,
-  plateforme_id      INTEGER NOT NULL REFERENCES plateformes(id) ON DELETE RESTRICT,
+  plateforme_id      INTEGER NOT NULL REFERENCES plateformes(id) ON DELETE CASCADE,
   nom_projet         TEXT NOT NULL,
   emetteur           TEXT,                    -- nom de la société emprunteuse
   date_souscription  TEXT NOT NULL,