Reset board preview when switching chats (0.15.15).

Co-authored-by: Cursor <cursoragent@cursor.com>

Assets/assistent.bundle.js

@@ -4468,11 +4468,12 @@ ${patch.prompt}`;
         const S = window.SA && window.SA.session;
         state.chatSession = S && typeof S.sessionFromLegacyParams === "function" ? S.sessionFromLegacyParams(params) : params && params.gen ? params : S && S.emptySession ? S.emptySession() : { gen: {}, board: {} };
         if (!params || typeof params !== "object") {
-          if (typeof clearGenResults === "function") clearGenResults();
+          resetBoardToDefault();
           if (typeof renderBoard === "function") renderBoard();
           setContextMemory(null, { persist: false });
           return { restored: false };
         }
+        resetBoardToDefault();
         await pushSessionToSwarm(state.chatSession);
         const board = state.chatSession.board || {};
         if (Array.isArray(board.slots) && board.slots.length) {
@@ -4491,8 +4492,6 @@ ${patch.prompt}`;
           const selected = state.genResults.find((x) => x.id === state.selectedGenResultId);
           const gen = typeof generateSlot === "function" ? generateSlot() : null;
           if (gen && selected?.src) gen.src = selected.src;
-        } else if (typeof clearGenResults === "function") {
-          clearGenResults();
         }
         if (typeof syncBuildGenButton === "function") syncBuildGenButton();
         if (typeof syncLiveParamsBar === "function") syncLiveParamsBar();
@@ -4892,7 +4891,7 @@ ${patch.prompt}`;
       state.lastUserParamIntent = false;
       state.pendingSilentGen = false;
       state.lastPatch = null;
-      clearGenResults();
+      resetBoardToDefault();
       const chat = {
         id: chatUid(),
         title: "\u041D\u043E\u0432\u044B\u0439 \u0447\u0430\u0442",
@@ -6318,10 +6317,24 @@ ${patch.prompt}`;
     function clearGenResults() {
       state.genResults = [];
       state.selectedGenResultId = null;
+      const gen = typeof generateSlot === "function" ? generateSlot() : null;
+      if (gen) {
+        gen.src = null;
+      }
       if (state.lightboxIndex >= 0) {
         closeGenLightbox();
       }
     }
+    function resetBoardToDefault() {
+      state.slots = [
+        { id: GEN_ID, type: "generate", label: "Generate", src: null, attach: false },
+        { id: "ref1", type: "ref", label: "Ref 1", src: null, attach: true }
+      ];
+      state.refSeq = 1;
+      state.selectedSlotId = "ref1";
+      clearGenResults();
+      syncLastImageAlias();
+    }
     function selectGenResult(id, { restore = true, openViewer = false } = {}) {
       const row = (state.genResults || []).find((r) => r.id === id);
       if (!row) {