make some overall QoL improvements

public/chat.html

@@ -11,7 +11,7 @@
         href="https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700&family=Manrope:wght@400;500;600;700;800&display=swap"
         rel="stylesheet">
     <script src="/js/theme-bootstrap.js?v=20260909-account-controls"></script>
-    <link rel="stylesheet" href="/css/style.css?v=20260930-chat-usability" />
+    <link rel="stylesheet" href="/css/style.css?v=20261008-conversation-search" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <link rel="stylesheet" href="/css/pages.css?v=20260909-account-controls">
     <link rel="stylesheet" href="/css/shell.css?v=20260909-account-controls">
@@ -128,9 +128,11 @@
                                                             <p id="modelHelpSummary" class="model-help-summary">Pick a
                                                                 model to see what it is best suited for.</p>
                                                         </div>
-                                                        <details class="generation-advanced">
+                                                    </div>
-                                                            <summary>Advanced generation settings</summary>
+                                                </details>
-                                                        <div class="generation-settings-grid">
+                                                <details class="chat-drawer-section generation-advanced">
+                                                    <summary class="chat-drawer-row"><span class="chat-drawer-row-label"><strong>Generation settings</strong></span><span class="chat-drawer-row-hint">Advanced</span></summary>
+                                                        <div class="generation-settings-grid chat-drawer-disclosure-panel">
                                                             <label class="field"><span>Temperature</span><input
                                                                     id="chatTemperature" type="number" min="0" max="2"
                                                                     step="0.1" placeholder="Default" /></label>
@@ -148,10 +150,8 @@
                                                                 generation settings</button>
                                                         </div>
                                                 </details>
-                                                    </div>
-                                                </details>
                                                 <div class="chat-drawer-section">
-                                                    <p class="dropdown-section-label">Chat</p>
+                                                    <p class="dropdown-section-label">Conversation actions</p>
                                                     <div class="chat-drawer-action-list">
                                                         <button id="renameChat"
                                                             class="secondary-action chat-drawer-action" type="button"
@@ -169,7 +169,7 @@
                                                 <details class="chat-drawer-section chat-drawer-more">
                                                     <summary class="chat-drawer-row chat-drawer-row--compact">
                                                         <span class="chat-drawer-row-label">
-                                                            <strong>Tools &amp; workspace</strong>
+                                                            <strong>Conversation tools</strong>
                                                         </span>
                                                         <span class="chat-drawer-row-hint">Show</span>
                                                     </summary>
@@ -184,6 +184,11 @@
                                                         <button id="managePersonaState"
                                                             class="secondary-action chat-drawer-action" type="button"
                                                             data-chat-action="personaState">Roleplay state</button>
+                                                    </div>
+                                                </details>
+                                                <details class="chat-drawer-section chat-drawer-more">
+                                                    <summary class="chat-drawer-row chat-drawer-row--compact"><span class="chat-drawer-row-label"><strong>Workspace files</strong></span><span class="chat-drawer-row-hint">Show</span></summary>
+                                                    <div class="chat-drawer-action-list chat-drawer-disclosure-panel">
                                                         <button id="backupWorkspace"
                                                             class="secondary-action chat-drawer-action"
                                                             type="button">Download workspace archive</button>
@@ -197,7 +202,7 @@
                                                 <details class="chat-drawer-section chat-drawer-danger">
                                                     <summary class="chat-drawer-row chat-drawer-row--compact">
                                                         <span class="chat-drawer-row-label">
-                                                            <strong>Clear conversation</strong>
+                                                            <strong>Delete chat content</strong>
                                                         </span>
                                                         <span class="chat-drawer-row-hint">Show</span>
                                                     </summary>
@@ -234,14 +239,21 @@
                             <button id="loadOlderMessages" class="secondary-action" type="button" hidden>Load older messages</button>
                             <button id="loadLatestMessages" class="secondary-action" type="button" hidden>Back to latest messages</button>
                         </div>
-                        <div id="messages" class="messages-panel messages-panel-focus" role="log" aria-live="polite"
+                        <div class="conversation-search" role="search" aria-label="Search this conversation">
-                            aria-relevant="additions text"></div>
+                            <label for="conversationSearch">Find in this chat</label>
+                            <input id="conversationSearch" type="search" placeholder="Search messages" autocomplete="off" maxlength="200">
+                            <span id="conversationSearchCount" role="status" aria-live="polite">0 matches</span>
+                            <button id="conversationSearchPrevious" class="secondary-action" type="button" aria-label="Previous match" disabled>Previous</button>
+                            <button id="conversationSearchNext" class="secondary-action" type="button" aria-label="Next match" disabled>Next</button>
+                        </div>
+                        <div id="messages" class="messages-panel messages-panel-focus" role="log" aria-live="off"></div>
+                        <div id="replyAnnouncement" class="visually-hidden" role="status" aria-live="polite" aria-atomic="true"></div>
                         <button id="jumpToLatest" class="jump-to-latest secondary-action hidden" type="button">Jump to latest</button>
                     </div>
 
                     <div class="input-shell input-shell-focus">
                         <div class="input-meta">
-                            <p class="composer-hint">Enter to send · Shift+Enter for new line</p>
+                            <p id="composerHint" class="composer-hint">Enter to send · Shift+Enter for new line</p>
                         </div>
                         <div id="uploadPreviews" class="upload-previews" aria-live="polite" hidden></div>
                         <div class="input-container">
@@ -254,7 +266,7 @@
                                     <rect x="3" y="3" width="18" height="18" rx="3" />
                                     <circle cx="8" cy="8" r="1.5" />
                                     <path d="m3 17 5-5 4 4 4-6 5 7" />
-                                </svg>
+                                </svg><span class="composer-tool-label">Attach</span>
                             </button>
                             <button id="webSearch" class="icon-button" type="button" aria-label="Automatic web search on — click to disable"
                                 title="Automatic web search on — click to disable" aria-pressed="true">
@@ -263,7 +275,7 @@
                                     <circle cx="12" cy="12" r="9" />
                                     <ellipse cx="12" cy="12" rx="4" ry="9" />
                                     <path d="M3 12h18" />
-                                </svg>
+                                </svg><span class="composer-tool-label">Web search</span>
                             </button>
                             <button id="reasoning" class="icon-button" type="button" aria-label="Enable reasoning"
                                 title="Enable reasoning" aria-pressed="false" disabled>
@@ -272,11 +284,12 @@
                                     aria-hidden="true">
                                     <path
                                         d="M12 18V5a3 3 0 0 0-5.8-1A4 4 0 0 0 3 10a4 4 0 0 0 1 7.8A4 4 0 0 0 12 18ZM12 5a3 3 0 0 1 5.8-1A4 4 0 0 1 21 10a4 4 0 0 1-1 7.8A4 4 0 0 1 12 18M8 8a4 4 0 0 1-5 2m13-2a4 4 0 0 0 5 2M8 14a4 4 0 0 0-4 4m12-4a4 4 0 0 1 4 4" />
-                                </svg>
+                                </svg><span class="composer-tool-label">Reasoning</span>
                             </button>
                             <label class="visually-hidden" for="msgInput">Message</label>
                             <textarea id="msgInput" rows="1" placeholder="Type your message..."></textarea>
                             <button id="send" type="button" aria-label="Send message"></button>
+                            <button id="stopGeneration" class="secondary-action" type="button" aria-label="Stop generating reply" hidden>Stop</button>
                         </div>
                     </div>
                 </section>
@@ -439,7 +452,7 @@
         integrity="sha512-rCQgmUulW6f6QegOvTntKKb5IAoxTpGVCdWqYjkXEpzAns6XUFs8NKVqWe+KQpctp/EoRSFSuykVputqknLYMg=="
         crossorigin="anonymous" defer></script>
     <script src="/vendor/dompurify.js" defer></script>
-    <script type="module" src="/js/script.js?v=20261007-chat-csp-fix"></script>
+    <script type="module" src="/js/script.js?v=20261008-conversation-search"></script>
     <script type="module" src="/js/workspaceNavigation.js?v=20260909-account-controls"></script>
 </body>
 

public/css/style.css

@@ -424,7 +424,14 @@ input:focus, textarea:focus, select:focus { border-color: var(--brand); }
 .chat-header-actions { display: flex; align-items: center; }
 .overflow-trigger { min-height: 38px; padding: 8px 12px; border-radius: 999px; font-size: .8rem; }
 
-.messages-wrap { min-height: 0; position: relative; display: grid; grid-template-rows: auto minmax(0, 1fr); }
+.messages-wrap { min-height: 0; position: relative; display: grid; grid-template-rows: auto auto minmax(0, 1fr); }
+.conversation-search { padding: 8px max(16px, calc((100% - 940px) / 2)); display: flex; align-items: center; gap: 8px; border-bottom: 1px solid var(--border); }
+.conversation-search label { flex: 0 0 auto; color: var(--text-soft); font-size: .76rem; font-weight: 700; }
+.conversation-search input { min-width: 0; width: min(280px, 100%); min-height: 34px; }
+.conversation-search span { min-width: 64px; color: var(--text-muted); font-size: .72rem; white-space: nowrap; }
+.conversation-search button { min-height: 34px; padding: 5px 9px; font-size: .72rem; }
+.conversation-search-match { background: #facc15; color: #1f2937; border-radius: 2px; }
+.conversation-search-match.current { outline: 2px solid var(--brand); outline-offset: 1px; }
 .messages-panel {
     height: 100%;
     min-height: 0;
@@ -497,7 +504,10 @@ input:focus, textarea:focus, select:focus { border-color: var(--brand); }
 .input-meta, .input-container { width: min(940px, 100%); margin-inline: auto; }
 .input-meta { margin-bottom: 5px; padding-left: 10px; }
 .composer-hint { margin: 0; color: var(--text-muted); font-size: .72rem; }
-.input-container { padding: 7px; display: grid; grid-template-columns: 44px 44px 44px minmax(0, 1fr) 44px; grid-template-areas: "attach search reasoning message send"; gap: 7px; align-items: end; background: var(--input-bg); border: 1px solid var(--border-strong); border-radius: 24px; box-shadow: var(--shadow-sm); }
+.input-container { padding: 7px; display: grid; grid-template-columns: 44px 44px 44px minmax(0, 1fr) 44px 58px; grid-template-areas: "attach search reasoning message send stop"; gap: 7px; align-items: end; background: var(--input-bg); border: 1px solid var(--border-strong); border-radius: 24px; box-shadow: var(--shadow-sm); }
+.input-container:not(:has(#stopGeneration:not([hidden]))) { grid-template-columns: 44px 44px 44px minmax(0, 1fr) 44px; grid-template-areas: "attach search reasoning message send"; }
+.input-container [hidden] { display: none !important; }
+.composer-tool-label { display: none; }
 #attachImage { grid-area: attach; }
 .upload-previews { width: min(940px, 100%); margin: 0 auto 8px; display: flex; gap: 8px; flex-wrap: wrap; }
 .upload-previews[hidden] { display: none; }
@@ -508,10 +518,6 @@ input:focus, textarea:focus, select:focus { border-color: var(--brand); }
 .message-images img { max-width: min(360px, 100%); max-height: 300px; object-fit: contain; border-radius: 12px; }
 .message-images a { max-width: 100%; }
 .image-drag-target { outline: 2px solid currentColor; }
-@media (max-width: 480px) {
-    .input-container { grid-template-columns: repeat(3, 36px) minmax(0, 1fr) 44px; grid-template-areas: "message message message message send" "attach search reasoning . ."; gap: 4px; }
-    #attachImage, #webSearch, #reasoning { width: 36px; height: 36px; min-height: 36px; border-radius: 12px; }
-}
 #webSearch, #reasoning { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 17px; }
 #webSearch { grid-area: search; }
 #reasoning { grid-area: reasoning; }
@@ -524,7 +530,7 @@ input:focus, textarea:focus, select:focus { border-color: var(--brand); }
 #msgInput { grid-area: message; min-height: 44px; max-height: 160px; padding: 11px 13px; resize: none; background: transparent; border: 0; box-shadow: none; }
 #send { grid-area: send; width: 44px; min-width: 44px; height: 44px; min-height: 44px; padding: 0; display: grid; place-items: center; border-radius: 17px; }
 #send::after { content: "\2191"; font-size: 1.1rem; font-weight: 800; }
-#send.loading::after { content: "■"; font-size: .85rem; }
+#stopGeneration { grid-area: stop; width: 58px; height: 44px; min-height: 44px; padding: 0 7px; font-size: .76rem; font-weight: 800; border-radius: 15px; }
 .generation-settings-grid { margin-top: 12px; display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
 .generation-settings-grid .field-wide, .generation-settings-grid button { grid-column: 1 / -1; }
 .generation-advanced { margin-top: 6px; border-top: 1px solid var(--border); }
@@ -689,6 +695,14 @@ input:focus, textarea:focus, select:focus { border-color: var(--brand); }
     .messages-empty-actions { display: grid; }
     .chat-drawer-action-list { grid-template-columns: 1fr; }
     .chat-drawer-action-list > * { grid-column: auto; }
+    .conversation-search { padding: 6px 10px; flex-wrap: wrap; gap: 5px; }
+    .conversation-search label { width: 100%; }
+    .conversation-search input { flex: 1 1 110px; }
+    .conversation-search span { min-width: 55px; }
+    .input-container { grid-template-columns: repeat(3, minmax(0, 1fr)) 44px 58px; grid-template-areas: "message message message send stop" "attach search reasoning . ."; gap: 4px; }
+    .input-container:not(:has(#stopGeneration:not([hidden]))) { grid-template-columns: repeat(3, minmax(0, 1fr)) 44px; grid-template-areas: "message message message send" "attach search reasoning ."; }
+    #attachImage, #webSearch, #reasoning { width: 100%; height: 49px; min-height: 49px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; border-radius: 12px; }
+    .composer-tool-label { display: inline; font-size: .63rem; line-height: 1; }
 }
 
 @media (hover: none) { .msg-actions { opacity: 1; } }

public/js/composerController.js

@@ -7,16 +7,17 @@ export function createComposerController({
     state, elements, attachmentComposer, webSearchButton, reasoningToggle, webSearchToggle,
     setChatActivity, updateComposerPlaceholder, setNotice, createNewChat, getChatById,
     updateWorkspaceCopy, renderChatList, addMessage, updateChatActionState, scrollMessagesToBottom,
-    setMessageContent, setActiveChat, loadSummary, markOnboardingCompleted, maybeShowPersonaNudge,
+    setMessageContent, announceResponding, announceReply, announceResponseStatus, setActiveChat, loadSummary, markOnboardingCompleted, maybeShowPersonaNudge,
     api = defaultApi
 }) {
-    const {msgInput, sendBtn, messagesDiv, modelSelect} = elements;
+    const {msgInput, sendBtn, stopBtn, messagesDiv, modelSelect} = elements;
+    const composerHint = document.getElementById("composerHint");
     let sendController = null;
 
     function updateSendState() {
         const hasText = Boolean(msgInput.value.trim());
-        sendBtn.disabled = state.isProcessing ? false : attachmentComposer.pending || (!hasText && !attachmentComposer.attachments.length);
+        sendBtn.disabled = state.isProcessing || attachmentComposer.pending || (!hasText && !attachmentComposer.attachments.length);
-        sendBtn.setAttribute("aria-label", state.isProcessing ? "Stop generation" : "Send message");
+        stopBtn.hidden = !state.isProcessing;
     }
 
     function resizeComposerInput() {
@@ -26,21 +27,22 @@ export function createComposerController({
 
     function setLoadingState(loading, overlayOptions = null) {
         state.isProcessing = loading;
-        msgInput.disabled = loading;
         webSearchButton.disabled = loading;
         reasoningToggle.setBusy(loading);
         attachmentComposer.setBusy(loading);
-        sendBtn.classList.toggle("loading", loading);
         messagesDiv.querySelectorAll('[data-message-action="regenerate"]').forEach(button => {
             button.disabled = loading || button.dataset.retryLimitReached === "true";
         });
         messagesDiv.querySelectorAll('[data-message-action="retry-failed"]').forEach(button => { button.disabled = loading; });
         if (loading) {
-            msgInput.placeholder = "Processing response...";
+            msgInput.placeholder = "Draft your next message...";
+            composerHint.textContent = "Draft your next message · Enter for new line";
+            announceResponding();
             if (overlayOptions !== false) setChatActivity(true, overlayOptions || undefined);
         } else {
             setChatActivity(false);
             updateComposerPlaceholder();
+            composerHint.textContent = "Enter to send · Shift+Enter for new line";
         }
         updateSendState();
     }
@@ -76,16 +78,16 @@ export function createComposerController({
         let userCard, loadingMsg, rendering, completedReply = null;
         let completedThinking = "", completedSources = null;
         const userMessage = {role: "user", content: message, attachments};
+        if (!retryMessage) {
+            msgInput.value = "";
+            state.chatDrafts.set(chatId ?? "new", "");
+            resizeComposerInput();
+        }
         const clearSentDraft = () => {
-            if (state.chatDrafts.get(chatId)?.trim() === message) state.chatDrafts.delete(chatId);
             attachmentComposer.clearSentDraft(chatId, attachments.map(item => item.id));
         };
         try {
             setLoadingState(true, false);
-            if (retryMessage && !msgInput.value.trim()) {
-                msgInput.value = message;
-                resizeComposerInput();
-            }
             if (!chatId) {
                 const created = await createNewChat({preserveComposer: true, signal});
                 signal.throwIfAborted();
@@ -152,6 +154,7 @@ export function createComposerController({
                 state.currentMessages.push(reply);
                 if (loadingMsg?.isConnected) loadingMsg.replaceWith(addMessage(reply, false, false, {detached: true}));
                 else addMessage(reply);
+                announceReply(completedReply);
             } else loadingMsg?.remove();
             reasoningToggle.reset();
             if (visible()) {
@@ -160,7 +163,6 @@ export function createComposerController({
                 const refreshed = await setActiveChat(chatId);
                 if (refreshed?.error) throw new Error(refreshed.error);
                 if (visible()) {
-                    if (msgInput.value.trim() === message) { msgInput.value = ""; resizeComposerInput(); }
                     if (msgInput.value) state.chatDrafts.set(chatId, msgInput.value);
                     else state.chatDrafts.delete(chatId);
                     const currentAttachments = attachmentComposer.attachments;
@@ -178,11 +180,16 @@ export function createComposerController({
         } catch (error) {
             loadingMsg?.remove();
             const messageText = signal.aborted ? "Generation stopped." : error?.message || "Unable to send message.";
+            if (visible() && completedReply === null) announceResponseStatus(messageText);
             if (completedReply !== null) {
                 setNotice(`Reply sent, but the conversation could not be refreshed: ${messageText}`, "error");
             } else {
                 if (visible()) {
-                    if (!msgInput.value.trim()) { msgInput.value = message; resizeComposerInput(); }
+                    if (!msgInput.value.trim()) {
+                        msgInput.value = message;
+                        state.chatDrafts.set(state.activeChatId ?? "new", message);
+                        resizeComposerInput();
+                    }
                     userMessage.deliveryStatus = "failed";
                     userMessage.errorMessage = messageText;
                     if (userCard?.isConnected) userCard.replaceWith(addMessage(userMessage, true, false, {detached: true}));
@@ -193,7 +200,7 @@ export function createComposerController({
             rendering?.dispose();
             sendController = null;
             state.sendingChatId = null;
-            setLoadingState(false); msgInput.focus(); updateChatActionState();
+            setLoadingState(false); updateChatActionState();
         }
     }
 

public/js/messageActions.js

@@ -1,7 +1,7 @@
 import {post, put, del} from "./api.js";
 import {regenerateInline} from "./regeneration.js";
 
-export function createMessageActions({conversation, setNotice, promptPopup, confirmPopup, setActiveChat, openCreatedChat, setLoadingState, loadSummary, renderMessages, addMessage, setMessageContent, webSearchToggle, reasoningToggle, modelSelect, messagesDiv, msgInput}) {
+export function createMessageActions({conversation, setNotice, promptPopup, confirmPopup, setActiveChat, openCreatedChat, setLoadingState, loadSummary, renderMessages, addMessage, setMessageContent, announceReply, announceResponseStatus, webSearchToggle, reasoningToggle, modelSelect, messagesDiv, msgInput}) {
     function getMessageIndexById(messageId) {
         return conversation.currentMessages.findIndex((message) => message.id === messageId);
     }
@@ -106,8 +106,12 @@ export function createMessageActions({conversation, setNotice, promptPopup, conf
                     webSearch: webSearchToggle.enabled,
                     confirmed: true
                 }, {timeoutMs: 660000});
-                if (res.error) return setNotice(res.error, "error");
+                if (res.error) { announceResponseStatus(res.error); return setNotice(res.error, "error"); }
-                if (conversation.activeChatId === sourceChatId) await openCreatedChat(res.chat);
+                if (conversation.activeChatId === sourceChatId) {
+                    await openCreatedChat(res.chat);
+                    const reply = conversation.currentMessages.at(-1);
+                    if (reply?.role === "bot") announceReply(reply.content);
+                }
                 return setNotice("Created the edited chat branch.", "success");
             } finally {
                 conversation.regenerationChatId = null;
@@ -184,11 +188,13 @@ export function createMessageActions({conversation, setNotice, promptPopup, conf
                     syncRetryStateFromMessage(conversation.currentMessages[index]);
                     const rendered = addMessage(conversation.currentMessages[index], false, false, { messageIndex: index, detached: true });
                     card.replaceChildren(...rendered.childNodes);
+                    announceReply(message.content);
                 }
             });
             reasoningToggle.reset();
             setNotice("Reply regenerated.", "success");
         } catch (error) {
+            announceResponseStatus(error.message || "Unable to regenerate message.");
             setNotice(error.message || "Unable to regenerate message.", "error");
         } finally {
             conversation.regenerationChatId = null;

public/js/messageRenderer.js

@@ -2,6 +2,7 @@ import {messagesDiv, msgInput} from "./dom.js?v=20260909-account-controls";
 import {appendAttachments} from "./attachments.js?v=20260930-chat-usability";
 import {updateReasoning} from "./reasoning.js?v=20260921-reasoning-capability";
 import {appendSources} from "./webSearch.js";
+import {get} from "./api.js";
 
 export function createMessageRenderer({
     getChatById,
@@ -17,17 +18,157 @@ export function createMessageRenderer({
     renderDrawerSummary,
     updateChatActionState,
     updateComposerPlaceholder,
-    createNewChat
+    createNewChat,
+    openMessage
 }) {
     const jumpToLatest = document.getElementById("jumpToLatest");
+    const searchInput = document.getElementById("conversationSearch");
+    const searchCount = document.getElementById("conversationSearchCount");
+    const previousMatch = document.getElementById("conversationSearchPrevious");
+    const nextMatch = document.getElementById("conversationSearchNext");
+    const replyAnnouncement = document.getElementById("replyAnnouncement");
 
     let scrollFrame = null;
 
     let renderedChatId = null;
 
     let renderedMessages = new Map();
+    let searchMatches = [];
+    let conversationMatches = null;
+    let selectedMatch = 0;
+    let searchChatId = null;
+    let searchFrame = null;
+    let searchTimer = null;
+    let searchRequest = 0;
+    let searchNavigation = 0;
 
-    function setMessageContent(el, content) {
+    function clearSearchMarks() {
+        messagesDiv.querySelectorAll("mark.conversation-search-match").forEach(mark => {
+            mark.replaceWith(document.createTextNode(mark.textContent));
+        });
+        messagesDiv.normalize();
+    }
+
+    function updateSearchCount() {
+        const total = conversationMatches?.length ?? searchMatches.length;
+        const label = total ? `${selectedMatch + 1} of ${total} matches` : "0 matches";
+        if (searchCount.textContent !== label) searchCount.textContent = label;
+        previousMatch.disabled = nextMatch.disabled = !total;
+        const target = conversationMatches?.[selectedMatch];
+        searchMatches.forEach((mark, index) => mark.classList.toggle("current", target
+            ? String(target.messageId) === mark.dataset.messageId && Number(mark.dataset.occurrence) === target.occurrence
+            : index === selectedMatch));
+    }
+
+    function refreshConversationSearch() {
+        if (searchFrame !== null) { cancelAnimationFrame(searchFrame); searchFrame = null; }
+        clearSearchMarks();
+        searchMatches = [];
+        const query = searchInput.value.trim();
+        if (query) {
+            const needle = query.toLocaleLowerCase();
+            const occurrences = new Map();
+            messagesDiv.querySelectorAll(".msg-content").forEach(content => {
+                const messageId = content.closest(".msg")?.dataset.messageId || "";
+                const walker = document.createTreeWalker(content, NodeFilter.SHOW_TEXT);
+                const nodes = [];
+                while (walker.nextNode()) nodes.push(walker.currentNode);
+                nodes.forEach(node => {
+                    const value = node.nodeValue;
+                    const lower = value.toLocaleLowerCase();
+                    let start = lower.indexOf(needle);
+                    if (start < 0) return;
+                    const fragment = document.createDocumentFragment();
+                    let cursor = 0;
+                    while (start >= 0) {
+                        fragment.append(document.createTextNode(value.slice(cursor, start)));
+                        const mark = document.createElement("mark");
+                        mark.className = "conversation-search-match";
+                        mark.textContent = value.slice(start, start + query.length);
+                        mark.dataset.messageId = messageId;
+                        mark.dataset.occurrence = String(occurrences.get(messageId) || 0);
+                        occurrences.set(messageId, (occurrences.get(messageId) || 0) + 1);
+                        fragment.append(mark);
+                        searchMatches.push(mark);
+                        cursor = start + query.length;
+                        start = lower.indexOf(needle, cursor);
+                    }
+                    fragment.append(document.createTextNode(value.slice(cursor)));
+                    node.replaceWith(fragment);
+                });
+            });
+        }
+        selectedMatch = Math.min(selectedMatch, Math.max(0, (conversationMatches?.length ?? searchMatches.length) - 1));
+        updateSearchCount();
+    }
+
+    function scheduleConversationSearch(reset = false, focusMatch = false) {
+        clearTimeout(searchTimer);
+        const request = ++searchRequest;
+        const chatId = state.activeChatId;
+        const query = searchInput.value.trim();
+        if (reset || !query) conversationMatches = null;
+        updateSearchCount();
+        if (!chatId || !query) return;
+        searchTimer = setTimeout(async () => {
+            const result = await get(`/chats/${chatId}/messages/search?q=${encodeURIComponent(query)}`);
+            if (request !== searchRequest || chatId !== state.activeChatId || query !== searchInput.value.trim()) return;
+            if (result.error) { searchCount.textContent = "Search unavailable"; return; }
+            conversationMatches = result.matches || [];
+            selectedMatch = Math.min(selectedMatch, Math.max(0, conversationMatches.length - 1));
+            updateSearchCount();
+            if (focusMatch && conversationMatches.length) void moveSearchMatch(0);
+        }, 200);
+    }
+
+    function scheduleSearchRefresh() {
+        if (!searchInput.value.trim() || searchFrame !== null) return;
+        searchFrame = requestAnimationFrame(refreshConversationSearch);
+    }
+
+    async function moveSearchMatch(direction) {
+        const navigation = ++searchNavigation;
+        const hits = conversationMatches || searchMatches;
+        if (!hits.length) return;
+        selectedMatch = (selectedMatch + direction + hits.length) % hits.length;
+        updateSearchCount();
+        const hit = conversationMatches?.[selectedMatch];
+        if (hit && !searchMatches.some(mark => mark.dataset.messageId === String(hit.messageId))) {
+            await openMessage(hit.messageId);
+            if (navigation !== searchNavigation || state.activeChatId !== searchChatId) return;
+            refreshConversationSearch();
+        }
+        const mark = hit
+            ? searchMatches.find(item => item.dataset.messageId === String(hit.messageId) && Number(item.dataset.occurrence) === hit.occurrence)
+                || searchMatches.find(item => item.dataset.messageId === String(hit.messageId))
+            : searchMatches[selectedMatch];
+        mark?.scrollIntoView({block: "center", behavior: "smooth"});
+    }
+
+    searchInput.addEventListener("input", () => {
+        searchNavigation++;
+        selectedMatch = 0;
+        conversationMatches = null;
+        refreshConversationSearch();
+        searchMatches[0]?.scrollIntoView({block: "center", behavior: "smooth"});
+        scheduleConversationSearch(false, true);
+    });
+    searchInput.addEventListener("keydown", event => {
+        if (event.key === "Enter") { event.preventDefault(); moveSearchMatch(event.shiftKey ? -1 : 1); }
+    });
+    previousMatch.addEventListener("click", () => moveSearchMatch(-1));
+    nextMatch.addEventListener("click", () => moveSearchMatch(1));
+
+    function announceResponding() { replyAnnouncement.textContent = "Assistant is responding."; }
+    function announceResponseStatus(status) { replyAnnouncement.textContent = status; }
+    function announceReply(content) {
+        const plain = document.createElement("div");
+        renderMarkdown(plain, content || "");
+        replyAnnouncement.textContent = `Assistant: ${plain.textContent.trim() || "Response complete."}`;
+        if (searchInput.value.trim()) scheduleConversationSearch();
+    }
+
+    function renderMarkdown(el, content) {
         const markdownParser = window.marked;
         const purifier = window.DOMPurify;
         if (markdownParser?.parse && purifier?.sanitize) {
@@ -37,6 +178,11 @@ export function createMessageRenderer({
         }
     }
 
+    function setMessageContent(el, content) {
+        renderMarkdown(el, content);
+        scheduleSearchRefresh();
+    }
+
     function scrollMessagesToBottom() {
         if (scrollFrame !== null) cancelAnimationFrame(scrollFrame);
         scrollFrame = requestAnimationFrame(() => {
@@ -60,7 +206,7 @@ export function createMessageRenderer({
             msgDiv.setAttribute("aria-label", "Assistant is responding");
             msgDiv.innerHTML = `
                 <div class="msg-header">Assistant</div>
-                <div class="loading-shell" aria-live="polite" aria-label="Assistant is responding">
+                <div class="loading-shell" aria-hidden="true">
                     <div class="loading-bars">
                         <span class="loading-bar"></span>
                         <span class="loading-bar"></span>
@@ -251,6 +397,13 @@ export function createMessageRenderer({
             renderedMessages = nextRendered;
         }
         renderedChatId = state.activeChatId;
+        if (searchChatId !== state.activeChatId) {
+            searchNavigation++;
+            searchChatId = state.activeChatId;
+            selectedMatch = 0;
+            scheduleConversationSearch(true, true);
+        } else if (searchInput.value.trim()) scheduleConversationSearch();
+        refreshConversationSearch();
         renderDrawerSummary();
         updateChatActionState();
         updateComposerPlaceholder();
@@ -325,6 +478,9 @@ export function createMessageRenderer({
 
     return {
         setMessageContent,
+        announceResponding,
+        announceResponseStatus,
+        announceReply,
         scrollMessagesToBottom,
         updateJumpToLatest,
         addMessage,

public/js/script.js

@@ -107,6 +107,7 @@ import {
 const conversation = createConversationState();
 
 const headerModelButton = document.getElementById("headerModelButton");
+const stopBtn = document.getElementById("stopGeneration");
 const webSearchButton = document.getElementById("webSearch");
 const webSearchToggle = createWebSearchToggle(webSearchButton);
 const reasoningToggle = createReasoningToggle(document.getElementById("reasoning"));
@@ -124,7 +125,7 @@ let availableModelsById = new Map();
 const personalitySelect = document.getElementById("personalitySelect");
 let personalities = [];
 
-const {setMessageContent, scrollMessagesToBottom, updateJumpToLatest, addMessage, renderMessages} = createMessageRenderer({
+const {setMessageContent, scrollMessagesToBottom, updateJumpToLatest, addMessage, renderMessages, announceResponding, announceReply, announceResponseStatus} = createMessageRenderer({
     getChatById: (...args) => getChatById(...args),
     state: conversation,
     setNotice: (...args) => setNotice(...args),
@@ -138,7 +139,8 @@ const {setMessageContent, scrollMessagesToBottom, updateJumpToLatest, addMessage
     renderDrawerSummary: (...args) => renderDrawerSummary(...args),
     updateChatActionState: (...args) => updateChatActionState(...args),
     updateComposerPlaceholder: (...args) => updateComposerPlaceholder(...args),
-    createNewChat: (...args) => createNewChat(...args)
+    createNewChat: (...args) => createNewChat(...args),
+    openMessage: messageId => setActiveChat(conversation.activeChatId, {matchMessageId: messageId})
 });
 
 const {
@@ -195,7 +197,7 @@ const {
 
 const {updateSendState, resizeComposerInput, setLoadingState, stopGeneration, sendMessage} = createComposerController({
     state: conversation,
-    elements: {msgInput, sendBtn, messagesDiv, modelSelect},
+    elements: {msgInput, sendBtn, stopBtn, messagesDiv, modelSelect},
     attachmentComposer,
     webSearchButton,
     reasoningToggle,
@@ -211,6 +213,9 @@ const {updateSendState, resizeComposerInput, setLoadingState, stopGeneration, se
     updateChatActionState: (...args) => updateChatActionState(...args),
     scrollMessagesToBottom: (...args) => scrollMessagesToBottom(...args),
     setMessageContent: (...args) => setMessageContent(...args),
+    announceResponding,
+    announceReply,
+    announceResponseStatus,
     setActiveChat: (...args) => setActiveChat(...args),
     loadSummary: (...args) => loadSummary(...args),
     markOnboardingCompleted: (...args) => markOnboardingCompleted(...args),
@@ -221,7 +226,7 @@ const {exportCurrentChat, backupWorkspace, importWorkspaceFromFile} = createWork
     conversation, getChatById, setNotice, promptPopup, confirmPopup, setChatLoading, loadChatSessions
 });
 const {editChatMessage, deleteChatMessage, retryLatestAssistantMessage, switchResponseVersion, switchRetryVariant, branchFromMessage} = createMessageActions({
-    conversation, setNotice, promptPopup, confirmPopup, setActiveChat, openCreatedChat, setLoadingState, loadSummary, renderMessages, addMessage, setMessageContent, webSearchToggle, reasoningToggle, modelSelect, messagesDiv, msgInput
+    conversation, setNotice, promptPopup, confirmPopup, setActiveChat, openCreatedChat, setLoadingState, loadSummary, renderMessages, addMessage, setMessageContent, announceReply, announceResponseStatus, webSearchToggle, reasoningToggle, modelSelect, messagesDiv, msgInput
 });
 
 const memoryPanel = createMemoryPanel({state: conversation});
@@ -373,6 +378,7 @@ function maybeShowOnboarding() {
 }
 
 function updateComposerPlaceholder() {
+    if (conversation.isProcessing) { msgInput.placeholder = "Draft your next message..."; return; }
     const activeChat = getChatById(conversation.activeChatId);
     if (!activeChat) {
         msgInput.placeholder = "Create a chat to begin...";
@@ -979,8 +985,9 @@ function bindChatDrawerActions() {
     });
 }
 
-sendBtn.addEventListener("click", () => { void (conversation.isProcessing ? stopGeneration() : sendMessage()); });
+sendBtn.addEventListener("click", () => { void sendMessage(); });
-msgInput.addEventListener("keydown", (event) => { if (event.key === "Enter" && !event.shiftKey && !event.isComposing) { event.preventDefault(); void sendMessage(); } });
+stopBtn.addEventListener("click", () => { void stopGeneration(); });
+msgInput.addEventListener("keydown", (event) => { if (event.key === "Enter" && !event.shiftKey && !event.isComposing && !conversation.isProcessing) { event.preventDefault(); void sendMessage(); } });
 msgInput.addEventListener("input", function () {
     if (conversation.currentUsername) conversation.chatDrafts.set(conversation.activeChatId ?? "new", msgInput.value);
     resizeComposerInput();

src/routes/chats.js

@@ -228,6 +228,24 @@ export function createChatsRouter({repositories, chatService, modelService, conf
         return res.json({message: "Chat deleted"});
     });
 
+    router.get("/chats/:id/messages/search", (req, res) => {
+        const chatId = Number(req.params.id);
+        if (!repositories.getChat(chatId, req.session.user)) return res.status(404).json({error: "Chat not found"});
+        const query = String(req.query.q || "").trim().slice(0, 200).toLocaleLowerCase();
+        if (!query) return res.json({matches: []});
+        const matches = [];
+        for (const message of repositories.listActiveBranchMessages(chatId)) {
+            const content = String(message.content || "").toLocaleLowerCase();
+            let at = content.indexOf(query);
+            let occurrence = 0;
+            while (at >= 0) {
+                matches.push({messageId: message.id, occurrence: occurrence++});
+                at = content.indexOf(query, at + query.length);
+            }
+        }
+        return res.json({matches});
+    });
+
     router.get("/chats/:id/messages", (req, res) => {
         const chatId = Number(req.params.id);
         const chat = repositories.getChat(chatId, req.session.user);