diff --git a/changelog.md b/changelog.md
index 04facd2a..34eb5cf8 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,4 +1,10 @@
 # 11.2
+## 11.2.22 - Le futur d'Akarlikarlikar
+- correction de la vente par le tchat: seul le premier acheteur pouvait acheter
+
+### Support V12
+- adaptation fenêtre de recherche
+
 ## 11.2.21 - Le questionnement d'Akarlikarlikar
 - Une confirmation spécifique est demandée pour monter dans les terres médianes en cas de rencontre en attente
 - L'expérience en caractéristique sur les jets de chance et rêve actuels est mise dans la caractéristique correspondante
diff --git a/module/achat-vente/chat-vente.js b/module/achat-vente/chat-vente.js
new file mode 100644
index 00000000..76d69d9f
--- /dev/null
+++ b/module/achat-vente/chat-vente.js
@@ -0,0 +1,70 @@
+import { SYSTEM_RDD } from "../constants.js";
+import { RdDUtility } from "../rdd-utility.js";
+
+const DETAIL_VENTE = 'detailVente';
+const NB_LOTS = 'nbLotss';
+
+export class ChatVente {
+
+  static getDetailVente(chatMessageId) {
+    const chatMessage = game.messages.get(chatMessageId)
+    if (!chatMessage) {
+      return undefined;
+    }
+    const nbLots = chatMessage.getFlag(SYSTEM_RDD, NB_LOTS)
+    const detail = foundry.utils.duplicate(chatMessage.getFlag(SYSTEM_RDD, DETAIL_VENTE))
+    if (!detail.item) {
+      ui.notifications.warn("Impossible d'acheter: informations sur l'objet manquantes")
+      return undefined;
+    }
+
+    const vendeur = detail.vendeurId ? game.actors.get(detail.vendeurId) : undefined;
+    return foundry.utils.mergeObject(detail,
+      {
+        alias: vendeur?.name ?? game.user.name,
+        vendeur,
+        nbLots: nbLots,
+        chatMessageIdVente: chatMessageId
+      })
+  }
+
+  static getDetailAchatVente(chatMessageId) {
+    const acheteur = RdDUtility.getSelectedActor()
+    const detail = ChatVente.getDetailVente(chatMessageId)
+    if (!acheteur && !detail.vendeur) {
+      ui.notifications.info("Pas d'acheteur ni de vendeur, aucun changement");
+      return undefined;
+    }
+    return foundry.utils.mergeObject(detail, { acheteur })
+  }
+
+
+  static async setDetailAchatVente(chatMessage, vente) {
+    await chatMessage?.setFlag(SYSTEM_RDD, NB_LOTS, vente.nbLots)
+    await chatMessage?.setFlag(SYSTEM_RDD, DETAIL_VENTE, {
+      item: vente.item,
+      properties: vente.item.getProprietes(),
+      vendeurId: vente.vendeurId,
+      tailleLot: vente.tailleLot,
+      quantiteIllimite: vente.quantiteIllimite,
+      prixLot: vente.prixLot
+    })
+  }
+
+  static async diminuerQuantite(chatMessageId, quantite) {
+    const chatMessage = game.messages.get(chatMessageId)
+    const vente = ChatVente.getDetailVente(chatMessageId)
+    vente.nbLots = Math.max(0, vente.nbLots - quantite)
+    await chatMessage?.setFlag(SYSTEM_RDD, NB_LOTS, vente.nbLots)
+
+    const html = await renderTemplate('systems/foundryvtt-reve-de-dragon/templates/chat-vente-item.html', vente);
+    chatMessage.update({ content: html });
+    chatMessage.render(true);
+  }
+
+  static async displayAchatVente(venteData) {
+    const html = await renderTemplate('systems/foundryvtt-reve-de-dragon/templates/chat-vente-item.html', venteData);
+    const chatMessage = await ChatMessage.create(RdDUtility.chatDataSetup(html))
+    await ChatVente.setDetailAchatVente(chatMessage, venteData)
+  }
+}
\ No newline at end of file
diff --git a/module/dialog-item-achat.js b/module/achat-vente/dialog-item-achat.js
similarity index 65%
rename from module/dialog-item-achat.js
rename to module/achat-vente/dialog-item-achat.js
index 25e591c0..3e1814ea 100644
--- a/module/dialog-item-achat.js
+++ b/module/achat-vente/dialog-item-achat.js
@@ -1,35 +1,13 @@
-import { Misc } from "./misc.js";
-import { RdDUtility } from "./rdd-utility.js";
+import { Misc } from "../misc.js";
+import { RdDUtility } from "../rdd-utility.js";
+import { ChatVente } from "./chat-vente.js";
 
 export class DialogItemAchat extends Dialog {
 
   static preparerAchat(chatButton) {
-    const vendeurId = chatButton.attributes['data-vendeurId']?.value;
-    const vendeur = vendeurId ? game.actors.get(vendeurId) : undefined;
-    const acheteur = RdDUtility.getSelectedActor();
-    const json = chatButton.attributes['data-jsondata']?.value;
-    if (!acheteur && !vendeur) {
-      ui.notifications.info("Pas d'acheteur ni de vendeur, aucun changement");
-      return undefined;
-    }
-    if (!json) {
-      ui.notifications.warn("Impossible d'acheter: informations sur l'objet manquantes")
-      return undefined;
-    }
-
-    return {
-      item: JSON.parse(json),
-      vendeur,
-      acheteur,
-      nbLots: parseInt(chatButton.attributes['data-quantiteNbLots']?.value),
-      tailleLot: parseInt(chatButton.attributes['data-tailleLot']?.value ?? 1),
-      prixLot: Number(chatButton.attributes['data-prixLot']?.value ?? 0),
-      quantiteIllimite: chatButton.attributes['data-quantiteIllimite']?.value == 'true',
-      chatMessageIdVente: RdDUtility.findChatMessageId(chatButton),
-    };
+    return ChatVente.getDetailAchatVente(RdDUtility.findChatMessageId(chatButton))
   }
 
-
   static async onAcheter({ item, vendeur, acheteur, tailleLot, prixLot, nbLots, quantiteIllimite, chatMessageIdVente }) {
     const venteData = {
       item,
@@ -38,17 +16,21 @@ export class DialogItemAchat extends Dialog {
       acheteur,
       tailleLot,
       quantiteIllimite,
-      quantiteNbLots: nbLots,
+      nbLots,
       choix: { seForcer: false, supprimerSiZero: true },
       prixLot,
       isVente: prixLot > 0,
       isConsommable: item.type == 'nourritureboisson' && acheteur?.isPersonnage(),
       chatMessageIdVente
-    };
+    }
+    if (venteData.vendeur?.id == venteData.acheteur?.id) {
+      ui.notifications.info("Inutile de se vendre à soi-même")
+      return
+    }
 
-    DialogItemAchat.changeNombreLots(venteData, 1);
-    const html = await renderTemplate(`systems/foundryvtt-reve-de-dragon/templates/dialog-item-achat.html`, venteData);
-    new DialogItemAchat(html, venteData).render(true);
+    DialogItemAchat.changeNombreLots(venteData, 1)
+    const html = await renderTemplate(`systems/foundryvtt-reve-de-dragon/templates/dialog-item-achat.html`, venteData)
+    new DialogItemAchat(html, venteData).render(true)
   }
 
   static changeNombreLots(venteData, nombreLots) {
@@ -116,18 +98,18 @@ export class DialogItemAchat extends Dialog {
     this.venteData.choix.seForcer = event.currentTarget.checked;
   }
 
-  setNombreLots(nombreLots) {
+  setNombreLots(nbLots) {
 
     if (!this.venteData.quantiteIllimite) {
-      if (!this.venteData.quantiteIllimite && nombreLots > this.venteData.quantiteNbLots) {
-        ui.notifications.warn(`Seulement ${this.venteData.quantiteNbLots} lots disponibles, vous ne pouvez pas en prendre ${nombreLots}`)
+      if (!this.venteData.quantiteIllimite && nbLots > this.venteData.nbLots) {
+        ui.notifications.warn(`Seulement ${this.venteData.nbLots} lots disponibles, vous ne pouvez pas en prendre ${nbLots}`)
       }
-      nombreLots = Math.min(nombreLots, this.venteData.quantiteNbLots);
+      nbLots = Math.min(nbLots, this.venteData.nbLots);
     }
 
-    DialogItemAchat.changeNombreLots(this.venteData, nombreLots);
+    DialogItemAchat.changeNombreLots(this.venteData, nbLots);
 
-    this.html.find(".nombreLots").val(nombreLots);
+    this.html.find(".nombreLots").val(nbLots);
     this.html.find(".prixTotal").text(this.venteData.prixTotal);
     this.html.find("span.total-sust").text(this.venteData.totalSust);
     this.html.find("span.total-desaltere").text(this.venteData.totalDesaltere);
diff --git a/module/dialog-item-vente.js b/module/achat-vente/dialog-item-vente.js
similarity index 61%
rename from module/dialog-item-vente.js
rename to module/achat-vente/dialog-item-vente.js
index d871f7c1..07b1bad2 100644
--- a/module/dialog-item-vente.js
+++ b/module/achat-vente/dialog-item-vente.js
@@ -1,29 +1,30 @@
-import { HtmlUtility } from "./html-utility.js";
+import { HtmlUtility } from "../html-utility.js";
+import { RdDUtility } from "../rdd-utility.js";
+import { ChatVente } from "./chat-vente.js";
 
 export class DialogItemVente extends Dialog {
 
-  static async display({ item, callback, quantiteMax = undefined }) {
+  static async display({ item, quantiteMax = undefined }) {
     const quantite = quantiteMax ?? item.getQuantite() ?? 1;
-    const isOwned = item.parent;
     const venteData = {
       item: item,
       alias: item.actor?.name ?? game.user.name,
-      vendeurId: item.actor?.id,
+      vendeurId: item.actor.id,
       prixOrigine: item.calculerPrixCommercant(),
       prixUnitaire: item.calculerPrixCommercant(),
       prixLot: item.calculerPrixCommercant(),
       tailleLot: 1,
-      quantiteNbLots: quantite,
-      quantiteMaxLots: quantite,
+      nbLots: quantite,
+      maxLots: quantite,
       quantiteMax: quantite,
-      quantiteIllimite: item.isItemCommerce() ? quantiteMax == undefined : !isOwned,
-      isOwned: isOwned,
-    };
+      quantiteIllimite: item.isItemCommerce() ? quantiteMax == undefined : !item.parent,
+      isOwned:  item.parent,
+    }
     const html = await renderTemplate(`systems/foundryvtt-reve-de-dragon/templates/dialog-item-vente.html`, venteData);
-    return new DialogItemVente(venteData, html, callback).render(true);
+    return new DialogItemVente(venteData, html).render(true);
   }
 
-  constructor(venteData, html, callback) {
+  constructor(venteData, html) {
     let options = { classes: ["dialogvente"], width: 400, height: 'fit-content', 'z-index': 99999 };
 
     let conf = {
@@ -34,7 +35,6 @@ export class DialogItemVente extends Dialog {
     };
 
     super(conf, options);
-    this.callback = callback;
     this.venteData = venteData;
   }
 
@@ -43,7 +43,7 @@ export class DialogItemVente extends Dialog {
 
     this.html = html;
     this.html.find(".tailleLot").change(event => this.setTailleLot(Number(event.currentTarget.value)));
-    this.html.find(".quantiteNbLots").change(event => this.setNbLots(Number(event.currentTarget.value)));
+    this.html.find(".nbLots").change(event => this.setNbLots(Number(event.currentTarget.value)));
     this.html.find(".quantiteIllimite").change(event => this.setQuantiteIllimite(event.currentTarget.checked));
     this.html.find(".prixLot").change(event => this.setPrixLot(Number(event.currentTarget.value)));
 
@@ -52,7 +52,15 @@ export class DialogItemVente extends Dialog {
 
   async onProposer(it) {
     this.updateVente(this.getChoixVente());
-    this.callback(this.venteData);
+
+    this.venteData["properties"] = this.venteData.item.getProprietes();
+    if (this.venteData.isOwned) {
+      if (this.venteData.nbLots * this.venteData.tailleLot > this.venteData.quantiteMax) {
+        ui.notifications.warn(`Vous avez ${this.venteData.quantiteMax} ${this.venteData.item.name}, ce n'est pas suffisant pour vendre ${this.venteData.nbLots} de ${this.venteData.tailleLot}`)
+        return;
+      }
+    }
+    await ChatVente.displayAchatVente(this.venteData)
   }
 
   updateVente(update) {
@@ -61,7 +69,7 @@ export class DialogItemVente extends Dialog {
 
   getChoixVente() {
     return {
-      quantiteNbLots: Number(this.html.find(".quantiteNbLots").val()),
+      nbLots: Number(this.html.find(".nbLots").val()),
       tailleLot: Number(this.html.find(".tailleLot").val()),
       quantiteIllimite: this.html.find(".quantiteIllimite").is(':checked'),
       prixLot: Number(this.html.find(".prixLot").val())
@@ -77,26 +85,26 @@ export class DialogItemVente extends Dialog {
     const maxLots = Math.floor(this.venteData.quantiteMax / tailleLot);
     this.updateVente({
       tailleLot,
-      quantiteNbLots: Math.min(maxLots, this.venteData.quantiteNbLots),
-      quantiteMaxLots: maxLots,
+      nbLots: Math.min(maxLots, this.venteData.nbLots),
+      maxLots: maxLots,
       prixLot: (tailleLot * this.venteData.prixOrigine).toFixed(2)
     });
 
     this.html.find(".prixLot").val(this.venteData.prixLot);
-    this.html.find(".quantiteNbLots").val(this.venteData.quantiteNbLots);
-    this.html.find(".quantiteNbLots").attr("max", this.venteData.quantiteMaxLots)
+    this.html.find(".nbLots").val(this.venteData.nbLots);
+    this.html.find(".nbLots").attr("max", this.venteData.maxLots)
   }
 
   setNbLots(nbLots) {
     this.updateVente({
-      quantiteNbLots: this.venteData.isOwned ? Math.max(0, Math.min(nbLots, this.venteData.quantiteMaxLots)) : nbLots
+      nbLots: this.venteData.isOwned ? Math.max(0, Math.min(nbLots, this.venteData.maxLots)) : nbLots
     })
-    this.html.find(".quantiteNbLots").val(this.venteData.quantiteNbLots);
+    this.html.find(".nbLots").val(this.venteData.nbLots);
   }
 
   setQuantiteIllimite(checked) {
     this.updateVente({ quantiteIllimite: checked })
     this.html.find(".label-quantiteIllimite").text(this.venteData.quantiteIllimite ? "Illimités" : "disponibles");
-    HtmlUtility.showControlWhen(this.html.find(".quantiteNbLots"), !this.venteData.quantiteIllimite)
+    HtmlUtility.showControlWhen(this.html.find(".nbLots"), !this.venteData.quantiteIllimite)
   }
 }
\ No newline at end of file
diff --git a/module/actor-sheet.js b/module/actor-sheet.js
index 8b042f4c..4ff63dd7 100644
--- a/module/actor-sheet.js
+++ b/module/actor-sheet.js
@@ -32,21 +32,20 @@ export class RdDActorSheet extends RdDBaseActorSangSheet {
       width: 550,
       showCompNiveauBase: false,
       vueArchetype: false,
-    });
+    }, { inplace: false });
   }
 
   /* -------------------------------------------- */
   async getData() {
     let formData = await super.getData();
-    foundry.utils.mergeObject(formData,
-      {
-        editable: this.isEditable,
-        cssClass: this.isEditable ? "editable" : "locked",
-        limited: this.actor.limited,
-        owner: this.actor.isOwner,
-        biographie: await TextEditor.enrichHTML(this.actor.system.biographie, { async: true }),
-        notes: await TextEditor.enrichHTML(this.actor.system.notes, { async: true }),
-      });
+    foundry.utils.mergeObject(formData, {
+      editable: this.isEditable,
+      cssClass: this.isEditable ? "editable" : "locked",
+      limited: this.actor.limited,
+      owner: this.actor.isOwner,
+      biographie: await TextEditor.enrichHTML(this.actor.system.biographie, { async: true }),
+      notes: await TextEditor.enrichHTML(this.actor.system.notes, { async: true }),
+    });
     foundry.utils.mergeObject(formData.calc, {
       surenc: this.actor.computeMalusSurEncombrement(),
       surprise: RdDBonus.find(this.actor.getSurprise(false)).descr,
@@ -211,7 +210,7 @@ export class RdDActorSheet extends RdDBaseActorSangSheet {
         const key = Number(li.data("key") ?? -1);
         await this.actor.deleteExperienceLog(0, key + 1);
       });
-        // Boutons spéciaux MJs
+      // Boutons spéciaux MJs
       this.html.find('.forcer-tmr-aleatoire').click(async event => this.actor.reinsertionAleatoire("Action MJ"))
       this.html.find('.afficher-tmr').click(async event => this.actor.changeTMRVisible())
     }
diff --git a/module/actor.js b/module/actor.js
index 653d6e20..bbb8f125 100644
--- a/module/actor.js
+++ b/module/actor.js
@@ -2346,7 +2346,7 @@ export class RdDActor extends RdDBaseActorSang {
 
   async _xpCaracDerivee(xpData) {
     const caracs = RdDActor._getComposantsCaracDerivee(xpData.caracName)
-      .map(c => foundry.utils.mergeObject(this.system.carac[c], { isMax: this.isCaracMax(c) }))
+      .map(c => foundry.utils.mergeObject(this.system.carac[c], { isMax: this.isCaracMax(c) }, { inplace: false }))
     switch (caracs.filter(it => !it.isMax).length) {
       case 0:
         xpData.caracRepartitionManuelle = true;
diff --git a/module/actor/base-actor-reve.js b/module/actor/base-actor-reve.js
index 38155403..840e6adf 100644
--- a/module/actor/base-actor-reve.js
+++ b/module/actor/base-actor-reve.js
@@ -286,12 +286,12 @@ export class RdDBaseActorReve extends RdDBaseActor {
 
   getCarac() {
     // TODO: le niveau d'une entité de cauchemar devrait être exclu...
-    const carac = foundry.utils.mergeObject(foundry.utils.duplicate(this.system.carac),
+    return foundry.utils.mergeObject(this.system.carac,
       {
         'reve-actuel': this.getCaracReveActuel(),
         'chance-actuelle': this.getCaracChanceActuelle()
-      });
-    return carac;
+      },
+      { inplace: false })
   }
 
   /* -------------------------------------------- */
diff --git a/module/actor/base-actor-sheet.js b/module/actor/base-actor-sheet.js
index fd428432..1df6c37d 100644
--- a/module/actor/base-actor-sheet.js
+++ b/module/actor/base-actor-sheet.js
@@ -20,7 +20,7 @@ export class RdDBaseActorSheet extends ActorSheet {
       tabs: [{ navSelector: ".sheet-tabs", contentSelector: ".sheet-body", initial: "carac" }],
       dragDrop: [{ dragSelector: ".item-list .item", dropSelector: undefined }],
       vueDetaillee: false
-    });
+    }, { inplace: false })
   }
 
   /* -------------------------------------------- */
diff --git a/module/actor/base-actor.js b/module/actor/base-actor.js
index a9913159..224b253a 100644
--- a/module/actor/base-actor.js
+++ b/module/actor/base-actor.js
@@ -1,3 +1,4 @@
+import { ChatVente } from "../achat-vente/chat-vente.js";
 import { ChatUtility } from "../chat-utility.js";
 import { SYSTEM_SOCKET_ID } from "../constants.js";
 import { Grammar } from "../grammar.js";
@@ -360,12 +361,9 @@ export class RdDBaseActor extends Actor {
       ChatUtility.notifyUser(achat.userId, 'warn', `Vous n'avez pas assez d'argent pour payer ${Math.ceil(cout / 100)} sols !`);
       return;
     }
-    await this.decrementerVente(vendeur, itemVendu, quantite, cout);
-    if (acheteur) {
-      await acheteur.depenserSols(cout);
-      const createdItemId = await acheteur.creerQuantiteItem(itemVendu, quantite);
-      await acheteur.consommerNourritureAchetee(achat, achat.vente, createdItemId);
-    }
+    await vendeur?.vendre(itemVendu, quantite, cout);
+    await acheteur?.acheter(itemVendu, quantite, cout, achat)
+
     if (cout > 0) {
       RdDAudio.PlayContextAudio("argent");
     }
@@ -379,24 +377,26 @@ export class RdDBaseActor extends Actor {
     });
 
     if (!achat.vente.quantiteIllimite) {
-      if (achat.vente.quantiteNbLots <= achat.choix.nombreLots) {
+      if (achat.vente.nbLots <= achat.choix.nombreLots) {
         ChatUtility.removeChatMessageId(achat.chatMessageIdVente);
       }
       else if (achat.chatMessageIdVente) {
-        achat.vente.properties = itemVendu.getProprietes();
-        achat.vente.quantiteNbLots -= achat.choix.nombreLots;
-        achat.vente.jsondata = JSON.stringify(achat.vente.item);
-        const messageVente = game.messages.get(achat.chatMessageIdVente);
-        messageVente.update({ content: await renderTemplate('systems/foundryvtt-reve-de-dragon/templates/chat-vente-item.html', achat.vente) });
-        messageVente.render(true);
+        await ChatVente.diminuerQuantite(achat.chatMessageIdVente, achat.choix.nombreLots)
       }
     }
   }
 
-  async decrementerVente(vendeur, itemVendu, quantite, cout) {
-    if (vendeur) {
-      await vendeur.ajouterSols(cout);
-      await vendeur.decrementerQuantiteItem(itemVendu, quantite);
+  async vendre(item, quantite, cout) {
+    await this.ajouterSols(cout);
+    await this.decrementerQuantiteItem(item, quantite);
+  }
+
+  async acheter(item, quantite, cout, achat) {
+    await this.depenserSols(cout)
+    const createdItemId = await this.creerQuantiteItem(item, quantite)
+    if (achat.choix.consommer && item.type == 'nourritureboisson' && createdItemId != undefined) {
+      achat.choix.doses = achat.choix.nombreLots;
+      await this.consommerNourritureboisson(createdItemId, achat.choix, achat.vente.actingUserId);
     }
   }
 
@@ -409,31 +409,28 @@ export class RdDBaseActor extends Actor {
     return disponible == undefined || disponible >= quantiteDemande;
   }
 
-  async consommerNourritureAchetee(achat, vente, createdItemId) {
-    if (achat.choix.consommer && vente.item.type == 'nourritureboisson' && createdItemId != undefined) {
-      achat.choix.doses = achat.choix.nombreLots;
-      await this.consommerNourritureboisson(createdItemId, achat.choix, vente.actingUserId);
-    }
-  }
-
+  async consommerNourritureboisson(itemId, choix, userId) { }
 
   async decrementerQuantiteItem(item, quantite, options = { supprimerSiZero: true }) {
     if (item.isService()) {
       return;
     }
+    const itemId = item.id;
     let resteQuantite = (item.system.quantite ?? 1) - quantite;
     if (resteQuantite <= 0) {
       if (options.supprimerSiZero) {
         await this.deleteEmbeddedDocuments("Item", [item.id]);
       }
       else {
-        await this.updateEmbeddedDocuments("Item", [{ _id: item.id, 'system.quantite': 0 }]);
+        await this.updateEmbeddedDocuments("Item", [{ _id: itemId, 'system.quantite': 0 }]);
       }
       if (resteQuantite < 0) {
         ui.notifications.warn(`La quantité de ${item.name} était insuffisante, l'objet a donc été supprimé`)
       }
     }
     else if (resteQuantite > 0) {
+      const realItem = this.getItem(item.id)
+      realItem.update({ 'system.quantite': resteQuantite });
       await this.updateEmbeddedDocuments("Item", [{ _id: item.id, 'system.quantite': resteQuantite }]);
     }
   }
@@ -445,7 +442,7 @@ export class RdDBaseActor extends Actor {
         type: item.type,
         img: item.img,
         name: item.name,
-        system: foundry.utils.mergeObject(item.system, { quantite: isItemEmpilable ? quantite : undefined })
+        system: foundry.utils.mergeObject(item.system, { quantite: isItemEmpilable ? quantite : undefined }, { inplace: false })
       };
       const newItems = isItemEmpilable ? [baseItem] : Array.from({ length: quantite }, (_, i) => baseItem);
       const items = await this.createEmbeddedDocuments("Item", newItems);
diff --git a/module/actor/commerce-sheet.js b/module/actor/commerce-sheet.js
index 1fb84fc3..2aed0d6b 100644
--- a/module/actor/commerce-sheet.js
+++ b/module/actor/commerce-sheet.js
@@ -1,4 +1,4 @@
-import { DialogItemAchat } from "../dialog-item-achat.js";
+import { DialogItemAchat } from "../achat-vente/dialog-item-achat.js";
 import { RdDItem } from "../item.js";
 import { RdDUtility } from "../rdd-utility.js";
 import { RdDBaseActorSheet } from "./base-actor-sheet.js";
@@ -15,7 +15,7 @@ export class RdDCommerceSheet extends RdDBaseActorSheet {
       template: "systems/foundryvtt-reve-de-dragon/templates/actor/commerce-actor-sheet.html",
       width: 600, height: 720,
       tabs: []
-    });
+    }, { inplace: false })
   }
   get title() {
     if (this.actor.token && this.actor.token != this.actor.prototypeToken) {
diff --git a/module/actor/commerce.js b/module/actor/commerce.js
index 9f6cd289..ed075a6b 100644
--- a/module/actor/commerce.js
+++ b/module/actor/commerce.js
@@ -25,8 +25,7 @@ export class RdDCommerce extends RdDBaseActor {
     }
     await super.depenserSols(cout)
   }
-
-  async consommerNourritureAchetee(achat, vente, createdItemId) {
+  async consommerNourritureboisson(itemId, choix, userId) { 
     // ne pas consommer pour un commerce
   }
 
diff --git a/module/actor/creature-sheet.js b/module/actor/creature-sheet.js
index 6e9b865c..80ddb9a6 100644
--- a/module/actor/creature-sheet.js
+++ b/module/actor/creature-sheet.js
@@ -12,7 +12,7 @@ export class RdDCreatureSheet extends RdDBaseActorSangSheet {
     return foundry.utils.mergeObject(RdDBaseActorSangSheet.defaultOptions, {
       template: "systems/foundryvtt-reve-de-dragon/templates/actor-creature-sheet.html",
       width: 640, height: 720
-    });
+    }, { inplace: false })
   }
 
   /* -------------------------------------------- */
diff --git a/module/actor/entite-sheet.js b/module/actor/entite-sheet.js
index 927b749c..354f4429 100644
--- a/module/actor/entite-sheet.js
+++ b/module/actor/entite-sheet.js
@@ -9,7 +9,7 @@ export class RdDActorEntiteSheet extends RdDBaseActorReveSheet {
     return foundry.utils.mergeObject(RdDBaseActorReveSheet.defaultOptions, {
       template: "systems/foundryvtt-reve-de-dragon/templates/actor-entite-sheet.html",
       width: 640, height: 720,
-    });
+    }, { inplace: false })
   }
 
   async getData() {
diff --git a/module/actor/vehicule-sheet.js b/module/actor/vehicule-sheet.js
index e63d9f2b..fb38f1b6 100644
--- a/module/actor/vehicule-sheet.js
+++ b/module/actor/vehicule-sheet.js
@@ -9,7 +9,7 @@ export class RdDActorVehiculeSheet extends RdDBaseActorSheet {
     return foundry.utils.mergeObject(RdDBaseActorSheet.defaultOptions, {
       template: "systems/foundryvtt-reve-de-dragon/templates/actor-vehicule-sheet.html",
       width: 640, height: 720,
-    });
+    }, { inplace: false })
   }
 
   /* -------------------------------------------- */
diff --git a/module/item-competence.js b/module/item-competence.js
index dce1f30c..b25ea07f 100644
--- a/module/item-competence.js
+++ b/module/item-competence.js
@@ -199,7 +199,7 @@ export class RdDItemCompetence extends Item {
     if (idOrName == undefined || idOrName == "") {
       return RdDItemCompetence.sansCompetence();
     }
-    options = foundry.utils.mergeObject(options, { preFilter: it => it.isCompetence(), description: 'compétence' }, { overwrite: false });
+    options = foundry.utils.mergeObject(options, { preFilter: it => it.isCompetence(), description: 'compétence' }, { overwrite: false, inplace: false });
     return RdDItemCompetence.findFirstItem(list, idOrName, options);
   }
 
diff --git a/module/item-competencecreature.js b/module/item-competencecreature.js
index e541b458..d16f8aba 100644
--- a/module/item-competencecreature.js
+++ b/module/item-competencecreature.js
@@ -33,8 +33,7 @@ export class RdDItemCompetenceCreature extends Item {
     if (categorieAttaque != undefined) {
       // si c'est un Item compétence: cloner pour ne pas modifier la compétence
       let arme = item.clone();
-      foundry.utils.mergeObject(arme,
-        {
+      return foundry.utils.mergeObject(arme, {
           action: item.isCompetencePossession() ? 'possession' : 'attaque',
           system: {
             competence: arme.name,
@@ -48,8 +47,7 @@ export class RdDItemCompetenceCreature extends Item {
             force: 0,
             rapide: true,
           }
-        });
-      return arme;
+        }, { inplace: false });
     }
     return undefined;
   }
diff --git a/module/item-sheet.js b/module/item-sheet.js
index 48bf5fa6..5b32caae 100644
--- a/module/item-sheet.js
+++ b/module/item-sheet.js
@@ -44,7 +44,7 @@ export class RdDItemSheet extends ItemSheet {
       template: RdDItemSheet.defaultTemplate(RdDItemSheet.ITEM_TYPE),
       width: 550,
       height: 550
-    });
+    }, { inplace: false });
   }
 
   /* -------------------------------------------- */
diff --git a/module/item.js b/module/item.js
index e52970e0..a97c050c 100644
--- a/module/item.js
+++ b/module/item.js
@@ -1,4 +1,4 @@
-import { DialogItemVente } from "./dialog-item-vente.js";
+import { DialogItemVente } from "./achat-vente/dialog-item-vente.js";
 import { Grammar } from "./grammar.js";
 import { Misc } from "./misc.js";
 import { RdDHerbes } from "./rdd-herbes.js";
@@ -233,7 +233,7 @@ export class RdDItem extends Item {
   }
 
   isCompetenceArme() {
-    return this.isCompetence() && [ 'melee','tir', 'lancer'].includes(this.system.categorie)
+    return this.isCompetence() && ['melee', 'tir', 'lancer'].includes(this.system.categorie)
   }
 
   isCompetencePossession() { return TYPES.competencecreature == this.type && this.system.categorie == "possession" }
@@ -538,7 +538,7 @@ export class RdDItem extends Item {
           _id: this.id,
           'system.quantite': this.system.quantite * sust,
           'system.encombrement': Misc.keepDecimals(this.system.encombrement / sust, 2),
-          'system.cout': Misc.keepDecimals(this.system.cout / sust, 2),
+          'system.cout': Math.max(0, Misc.keepDecimals(this.system.cout / sust, 2)),
           'system.sust': 1
         }])
       }
@@ -621,23 +621,7 @@ export class RdDItem extends Item {
       ui.notifications.warn(`Votre ${this.name} n'est pas vide, pas possible de le proposer`);
       return;
     }
-    await DialogItemVente.display({
-      item: this,
-      quantiteMax,
-      callback: async (vente) => {
-        vente["properties"] = this.getProprietes();
-        if (vente.isOwned) {
-          if (vente.quantiteNbLots * vente.tailleLot > vente.quantiteMax) {
-            ui.notifications.warn(`Vous avez ${vente.quantiteMax} ${vente.item.name}, ce n'est pas suffisant pour vendre ${vente.quantiteNbLots} de ${vente.tailleLot}`)
-            return;
-          }
-        }
-        vente.jsondata = JSON.stringify(vente.item);
-
-        let html = await renderTemplate('systems/foundryvtt-reve-de-dragon/templates/chat-vente-item.html', vente);
-        ChatMessage.create(RdDUtility.chatDataSetup(html));
-      }
-    });
+    await DialogItemVente.display({ item: this, quantiteMax })
   }
 
   /* -------------------------------------------- */
diff --git a/module/item/blessure.js b/module/item/blessure.js
index f35a013e..04db4238 100644
--- a/module/item/blessure.js
+++ b/module/item/blessure.js
@@ -39,7 +39,7 @@ export class RdDItemBlessure extends RdDItem {
       ui.notifications.warn(`Pas de tâche de soins pour une blessure ${gravite}`)
       return undefined;
     }
-    return foundry.utils.mergeObject(foundry.utils.duplicate(BASE_TACHE_SOIN_BLESSURE), tache)
+    return foundry.utils.mergeObject(BASE_TACHE_SOIN_BLESSURE, tache, { inplace: false })
   }
 
   static async applyFullBlessure(actor, gravite) {
@@ -106,12 +106,12 @@ export class RdDItemBlessure extends RdDItem {
   }
 
   async setSoinsBlessure(systemUpdate = {}) {
-    systemUpdate = foundry.utils.mergeObject(systemUpdate, this.system, { overwrite: false }),
-      systemUpdate.soinscomplets.done = systemUpdate.premierssoins.done && systemUpdate.soinscomplets.done
+    systemUpdate = foundry.utils.mergeObject(systemUpdate, this.system, { overwrite: false })
+    systemUpdate.soinscomplets.done = systemUpdate.premierssoins.done && systemUpdate.soinscomplets.done
     await this.update({
       img: this.getImgSoins(systemUpdate.gravite, systemUpdate.soinscomplets.done),
       system: systemUpdate
-    });
+    })
   }
 
   async recuperationBlessure({ actor, timestamp, message, isMaladeEmpoisonne, blessures }) {
diff --git a/module/item/sheet-base-inventaire.js b/module/item/sheet-base-inventaire.js
index 4df15a05..014bc4ea 100644
--- a/module/item/sheet-base-inventaire.js
+++ b/module/item/sheet-base-inventaire.js
@@ -10,7 +10,7 @@ export class RdDItemInventaireSheet extends RdDItemSheet {
   static get defaultOptions() {
     return foundry.utils.mergeObject(RdDItemSheet.defaultOptions, {
       tabs: [{ navSelector: ".sheet-tabs", contentSelector: ".sheet-body", initial: "informations" }]
-    });
+    }, { inplace: false })
   }
 
   setPosition(options = {}) {
@@ -23,9 +23,10 @@ export class RdDItemInventaireSheet extends RdDItemSheet {
 
   async getData() {
     const formData = await super.getData();
-    return foundry.utils.mergeObject(formData, {
+    foundry.utils.mergeObject(formData, {
       milieux: await game.system.rdd.environnement.autresMilieux(this.item)
-    });
+    })
+    return formData
   }
 
   activateListeners(html) {
diff --git a/module/item/sheet-rencontre.js b/module/item/sheet-rencontre.js
index 58a93a9c..bfd55b7a 100644
--- a/module/item/sheet-rencontre.js
+++ b/module/item/sheet-rencontre.js
@@ -8,7 +8,7 @@ export class RdDRencontreItemSheet extends RdDItemSheet {
   static get defaultOptions() {
     return foundry.utils.mergeObject(super.defaultOptions, {
       tabs: [{ navSelector: ".sheet-tabs", contentSelector: ".sheet-body", initial: "carac" }]
-    });
+    }, { inplace: false })
   }
 
   /* -------------------------------------------- */
@@ -35,7 +35,7 @@ export class RdDRencontreItemSheet extends RdDItemSheet {
           select: RdDRencontre.mapEffets(this.item.system.echec.effets)
         }
       }
-    });
+    })
     return formData;
   }
 
diff --git a/module/rdd-combat.js b/module/rdd-combat.js
index 444dd378..8c54ba32 100644
--- a/module/rdd-combat.js
+++ b/module/rdd-combat.js
@@ -128,21 +128,17 @@ export class RdDCombatManager extends Combat {
 
       // Send a chat message
       let rollMode = messageOptions.rollMode || game.settings.get("core", "rollMode");
-      let messageData = foundry.utils.mergeObject(
-        {
-          speaker: {
-            scene: canvas.scene._id,
-            actor: combatant.actor?._id,
-            token: combatant.token._id,
-            alias: combatant.token.name,
-            sound: CONFIG.sounds.dice,
-          },
-          flavor: `${combatant.token.name} a fait son jet d'Initiative (${messageOptions.initInfo})
-          <br>
-          `,
+      let messageData = foundry.utils.mergeObject({
+        speaker: {
+          scene: canvas.scene._id,
+          actor: combatant.actor?._id,
+          token: combatant.token._id,
+          alias: combatant.token.name,
+          sound: CONFIG.sounds.dice,
         },
-        messageOptions
-      );
+        flavor: `${combatant.token.name} a fait son jet d'Initiative (${messageOptions.initInfo})<br>`,
+      },
+        messageOptions);
       roll.toMessage(messageData, { rollMode, create: true });
 
       RdDCombatManager.processPremierRoundInit();
diff --git a/module/rdd-confirm.js b/module/rdd-confirm.js
index 7e701432..85d52813 100644
--- a/module/rdd-confirm.js
+++ b/module/rdd-confirm.js
@@ -12,7 +12,7 @@ export class RdDConfirm {
       buttons = foundry.utils.mergeObject(RdDConfirm._createButtonActionSave(options), buttons);
     }
     if (autresActions) {
-      buttons = foundry.utils.mergeObject(autresActions, buttons);
+      buttons = foundry.utils.mergeObject(autresActions, buttons, { inplace: false });
     }
     const dialogDetails = {
       title: options.title,
diff --git a/module/rdd-utility.js b/module/rdd-utility.js
index c7032a42..028ab7a1 100644
--- a/module/rdd-utility.js
+++ b/module/rdd-utility.js
@@ -4,7 +4,7 @@ import { RdDCombat } from "./rdd-combat.js";
 import { Misc } from "./misc.js";
 import { Grammar } from "./grammar.js";
 import { TMRUtility } from "./tmr-utility.js";
-import { DialogItemAchat } from "./dialog-item-achat.js";
+import { DialogItemAchat } from "./achat-vente/dialog-item-achat.js";
 import { ReglesOptionnelles } from "./settings/regles-optionnelles.js";
 import { RdDDice } from "./rdd-dice.js";
 import { RdDItem } from "./item.js";
diff --git a/module/settings/regles-optionnelles.js b/module/settings/regles-optionnelles.js
index 2d2f36bd..95ca2a2c 100644
--- a/module/settings/regles-optionnelles.js
+++ b/module/settings/regles-optionnelles.js
@@ -71,8 +71,7 @@ export class ReglesOptionnelles extends FormApplication {
   }
 
   static get defaultOptions() {
-    const options = super.defaultOptions;
-    foundry.utils.mergeObject(options, {
+    return foundry.utils.mergeObject(super.defaultOptions, {
       id: "regles-optionnelles",
       template: "systems/foundryvtt-reve-de-dragon/templates/settings/regles-optionnelles.html",
       height: 650,
@@ -80,8 +79,7 @@ export class ReglesOptionnelles extends FormApplication {
       minimizable: false,
       closeOnSubmit: true,
       title: "Règles optionnelles"
-    });
-    return options;
+    }, { inplace: false })
   }
 
   getData() {
diff --git a/module/settings/system-compendiums.js b/module/settings/system-compendiums.js
index f0ce4b9e..6281bab5 100644
--- a/module/settings/system-compendiums.js
+++ b/module/settings/system-compendiums.js
@@ -152,7 +152,7 @@ export class SystemCompendiums extends FormApplication {
 
   getData() {
     const systemCompendiums = Object.values(CONFIGURABLE_COMPENDIUMS)
-      .map(it => foundry.utils.mergeObject(it, { value: SystemCompendiums.getCompendium(it.compendium) }));
+      .map(it => foundry.utils.mergeObject(it, { value: SystemCompendiums.getCompendium(it.compendium) }, { inplace: false }))
     const availableCompendiums = game.packs.map(pack => {
       return {
         name: pack.collection,
@@ -163,7 +163,7 @@ export class SystemCompendiums extends FormApplication {
     return foundry.utils.mergeObject(super.getData(), {
       systemCompendiums: systemCompendiums,
       availableCompendiums: availableCompendiums
-    });
+    }, { inplace: false })
   }
 
   activateListeners(html) {
diff --git a/module/sommeil/app-astrologie.js b/module/sommeil/app-astrologie.js
index eca4accb..0e33a748 100644
--- a/module/sommeil/app-astrologie.js
+++ b/module/sommeil/app-astrologie.js
@@ -25,7 +25,7 @@ export class AppAstrologie extends Application {
       classes: ['calendar-astrologie'],
       popOut: true,
       resizable: false
-    });
+    }, { inplace: false })
   }
 
   constructor(actor, options = {}) {
@@ -49,7 +49,7 @@ export class AppAstrologie extends Application {
         signeNaissance: RdDTimestamp.definition(0)
       }
     })
-    return this.appData;
+    return this.appData
   }
 
   getActorAstrologie() {
diff --git a/module/time/rdd-calendrier.js b/module/time/rdd-calendrier.js
index 0ff8022c..d5f4432d 100644
--- a/module/time/rdd-calendrier.js
+++ b/module/time/rdd-calendrier.js
@@ -43,7 +43,7 @@ export class RdDCalendrier extends Application {
       resizable: false,
       width: 'fit-content',
       height: 'fit-content',
-    });
+    }, { inplace: false })
   }
 
   constructor() {
diff --git a/module/tirage/fenetre-recherche-tirage.js b/module/tirage/fenetre-recherche-tirage.js
index be6a5293..932778d0 100644
--- a/module/tirage/fenetre-recherche-tirage.js
+++ b/module/tirage/fenetre-recherche-tirage.js
@@ -125,7 +125,7 @@ export class FenetreRechercheTirage extends Application {
       popOut: true,
       dragDrop: [{ dragSelector: "a.content-link" }],
       resizable: true
-    });
+    }, { inplace: false })
   }
 
   static async create() {
diff --git a/module/voyage/dialog-fatigue-voyage.js b/module/voyage/dialog-fatigue-voyage.js
index 343f267e..74a4b179 100644
--- a/module/voyage/dialog-fatigue-voyage.js
+++ b/module/voyage/dialog-fatigue-voyage.js
@@ -142,18 +142,19 @@ export class DialogFatigueVoyage extends Dialog {
       it => this.$extractActor(this.html.find(it))
     )
     actors.filter(it => it.selected)
-    .forEach(async it => {
+      .forEach(async it => {
         const perteFatigue = fatigueBase + it.ajustement
         ChatMessage.create({
           whisper: ChatUtility.getWhisperRecipientsAndGMs(it.actor.name),
           content: await renderTemplate(
-            'systems/foundryvtt-reve-de-dragon/templates/voyage/chat-fatigue_voyage.hbs', foundry.utils.mergeObject(it,
+            'systems/foundryvtt-reve-de-dragon/templates/voyage/chat-fatigue_voyage.hbs',
+            foundry.utils.mergeObject(it,
               {
                 parameters: this.parameters,
                 fatigueBase: fatigueBase,
                 perteFatigue: perteFatigue,
                 isVoyage: fatigueBase == this.parameters.nombreHeures * this.parameters.fatigueHoraire
-              })
+              }, { inplace: false })
           ),
         })
         await it.actor.santeIncDec("fatigue", perteFatigue)
diff --git a/templates/chat-vente-item.html b/templates/chat-vente-item.html
index 90603356..a39562b1 100644
--- a/templates/chat-vente-item.html
+++ b/templates/chat-vente-item.html
@@ -1,3 +1,4 @@
+{{log 'chat-vente-item' this}}
 <div class="post-item" data-transfer="{{transfer}}">
   <h3>{{#if alias}}{{alias}} propose: {{else}}Acheter {{/if}}{{item.name}}</h3>
   {{#if item.img}}
@@ -12,7 +13,7 @@
   <hr>
   <p>
     {{#unless quantiteIllimite}}
-    <span>Lots disponibles: <span class="quantiteNbLots">{{quantiteNbLots}}</span></span><br>
+    <span>Lots disponibles: {{nbLots}}</span><br>
     {{/unless}}
     {{#if (gt tailleLot 1)}}
     <span>Lots de: <span class="tailleLot">{{tailleLot}}</span></span><br>
@@ -22,15 +23,9 @@
       <span class="prixLot">{{numberFormat prixLot decimals=2 sign=false}}</span> Sols</strong></span><br>
     {{/if}}
   </p>
-  {{#if (or (gt quantiteNbLots 0) quantiteIllimite)}}
+  {{#if (or (gt nbLots 0) quantiteIllimite)}}
   <span class="chat-card-button-area">
-    <a class="button-acheter chat-card-button"
-      data-jsondata='{{jsondata}}'
-      {{#if vendeurId}}data-vendeurId='{{vendeurId}}'{{/if}}
-      data-tailleLot="{{tailleLot}}"
-      data-quantiteNbLots="{{quantiteNbLots}}"
-      data-quantiteIllimite="{{#if quantiteIllimite}}true{{else}}false{{/if}}"
-      data-prixLot="{{prixLot}}">
+    <a class="button-acheter chat-card-button">
     {{#if (eq prixLot 0)}}Prendre{{else}}Acheter{{/if}}</a>
   </span>
   {{/if}}
diff --git a/templates/common/compendium-link.hbs b/templates/common/compendium-link.hbs
index 3b233758..3bb3985a 100644
--- a/templates/common/compendium-link.hbs
+++ b/templates/common/compendium-link.hbs
@@ -1,22 +1,20 @@
-  <span draggable="true">
-  {{#if pack}}
-  {{!-- draggable="true"  --}}
-  <a class="content-link"
+<span draggable="true">
+  <a class="{{#if pack}}content-link{{else}}rdd-world-content-link{{/if}}"
+    data-id="{{id}}"
+    data-link=""
+    {{#if doctype}}
+    data-doctype="{{doctype}}"
+    data-type="{{doctype}}"
+    {{/if}}
+    {{#if pack}}
+    data-pack="{{pack}}"
     data-uuid="Compendium.{{pack}}.{{id}}" 
-    data-pack="{{pack}}" 
-    {{#if doctype}}data-doctype="{{doctype}}"{{/if}}
-    data-id="{{id}}"
-  >
-  {{else}}
-  <a class="rdd-world-content-link"
-    {{#if doctype}}data-doctype="{{doctype}}"{{/if}}
-    data-id="{{id}}"
-  >
-  {{/if}}
-  {{#if img}}
-  <img class="in-text-img" src="{{img}}" data-tooltip="{{name}}" />
-  {{else}}
-  <i class="fas fa-suitcase"></i>
-  {{/if}}
-  {{name}}</a>
+    {{/if}} >
+    {{#if img}}
+    <img class="in-text-img" src="{{img}}" data-tooltip="{{name}}" />
+    {{else}}
+    <i class="fas fa-suitcase"></i>
+    {{/if}}
+    {{name}}
+  </a>
 </span>
diff --git a/templates/dialog-item-achat.html b/templates/dialog-item-achat.html
index 31dbe440..eba79b40 100644
--- a/templates/dialog-item-achat.html
+++ b/templates/dialog-item-achat.html
@@ -31,7 +31,7 @@
     <label>{{#if quantiteIllimite}}
       pas de limite
       {{else}}
-      {{quantiteNbLots}}
+      {{nbLots}}
       {{/if}}</label>
   </div>
   <div class="flexrow flex-group-left">
@@ -41,7 +41,7 @@
     </label>
     <div class="flexrow">
       <input name="nombreLots" class="nombreLots flex-shrink number-x2" type="number" min="1"
-        {{#unless quantiteIllimite}} max="{{quantiteNbLots}}" {{/unless}}
+        {{#unless quantiteIllimite}} max="{{nbLots}}" {{/unless}}
         value="{{choix.nombreLots}}"
         data-dtype="Number" />
     </div>
diff --git a/templates/dialog-item-vente.html b/templates/dialog-item-vente.html
index 4107cd28..6032aeb5 100644
--- a/templates/dialog-item-vente.html
+++ b/templates/dialog-item-vente.html
@@ -18,8 +18,8 @@
           quantiteIllimite}}checked{{/if}} />
         <label class="label-quantiteIllimite flex-shrink">disponibles</label>
         {{/unless}}
-        <input name="quantiteNbLots" class="quantiteNbLots flex-shrink number-x2" type="number" min="1"
-          max="{{quantiteMaxLots}}" value="{{quantiteNbLots}}" data-dtype="Number" />
+        <input name="nbLots" class="nbLots flex-shrink number-x2" type="number" min="1"
+          max="{{maxLots}}" value="{{nbLots}}" data-dtype="Number" />
       </div>
     </div>
     <div class="flexrow flex-group-left">