adjust attachments to hopefully fix them?

public/js/script.js

@@ -1,7 +1,7 @@
 import { del, get, post, put, stream } from "./api.js?v=20260909-account-controls";
 import { regenerateInline } from "./regeneration.js";
 import { appendSources, createWebSearchToggle } from "./webSearch.js";
-import { appendAttachments, createAttachmentComposer } from "./attachments.js";
+import { appendAttachments, createAttachmentComposer } from "./attachments.js?v=20260923-vision-provenance";
 import { createReasoningToggle, finishReasoning, updateReasoning } from "./reasoning.js?v=20260921-reasoning-capability";
 import { closeChatDrawer, openChatDrawer } from "./chatDrawer.js?v=20260909-account-controls";
 import { onboardingPrompts, requestedChatId } from "./constants.js?v=20260909-account-controls";
@@ -1427,7 +1427,8 @@ async function stopGeneration() {
     setNotice(res.stopped ? "Stopping generation..." : "Generation already finished.");
 }
 
-async function setActiveChat(id) {
+async function setActiveChat(id, {preserveComposer = false} = {}) {
+    if (!preserveComposer && id !== activeChatId) attachmentComposer.discard();
     if (isMobileLayout()) closeMobileSidebar();
     setChatLoading(true, "Opening chat...");
     setChatActivity(true, {
@@ -1479,7 +1480,8 @@ async function loadChatSessions() {
     return setNotice("Pick a starting action to begin.", "success");
 }
 
-async function createNewChat() {
+async function createNewChat({preserveComposer = false} = {}) {
+    if (!preserveComposer) attachmentComposer.discard();
     setChatLoading(true, "Creating chat...");
     setChatActivity(true, {
         eyebrow: "Creating chat",
@@ -1492,7 +1494,7 @@ async function createNewChat() {
         setChatActivity(false);
         return setNotice(res.error || "Unable to create chat.", "error");
     }
-    chatSessions.unshift(res.chat); await loadSummary(); renderChatList(); await setActiveChat(res.chat.id); setNotice("New chat created.", "success");
+    chatSessions.unshift(res.chat); await loadSummary(); renderChatList(); await setActiveChat(res.chat.id, {preserveComposer}); setNotice("New chat created.", "success");
     msgInput.focus();
     setChatLoading(false);
     setChatActivity(false);
@@ -1855,7 +1857,8 @@ async function sendMessage() {
     if (!message) return;
     const webSearch = webSearchToggle.enabled;
     const reasoning = reasoningToggle.enabled;
-    if (!activeChatId) await createNewChat();
+    if (!activeChatId) await createNewChat({preserveComposer: true});
+    if (!activeChatId) return;
     const currentChat = getChatById(activeChatId);
     if (currentChat && !currentChat.assistant_persona_id && currentChat.title === "New chat") {
         const autoTitle = message.length > 40 ? `${message.slice(0, 40)}...` : message;