public/chat.html

@@ -41,6 +41,8 @@
                         </div>
                     </div>
                 </aside>
+                <button id="chatSidebarBackdrop" class="chat-sidebar-backdrop" type="button"
+                    aria-label="Close conversation history" hidden></button>
 
                 <section id="main" class="chat-main chat-main-focus" aria-label="Active conversation">
                     <div class="chat-heading">

public/css/shell.css

@@ -33,6 +33,7 @@ body.site-page { width:100%; max-width:none; margin:0; padding:0; background:var
 .chat-page .chat-card { height:calc(100dvh - var(--shell-header-height)); min-height:0; border:0; border-radius:0; box-shadow:none; }
 .chat-page .chat-layout { grid-template-columns:260px minmax(0,1fr); }
 .chat-page .chat-sidebar { position:static; inset:auto; width:auto; transform:none; box-shadow:none; grid-template-rows:auto minmax(0,1fr); padding:24px 18px; gap:20px; }
+.chat-page .chat-sidebar-backdrop { display:none; }
 .chat-page .sidebar-workspace-card { gap:16px; border:0; padding:0; }
 .chat-page .sidebar-workspace-card h2 { margin:0; font-size:.85rem; letter-spacing:0; font-family:var(--font-body); color:var(--text-soft); }
 .chat-page .chat-main { grid-template-rows:auto minmax(0,1fr) auto; }
@@ -44,6 +45,7 @@ body.site-page { width:100%; max-width:none; margin:0; padding:0; background:var
     .chat-page .chat-layout { grid-template-columns:1fr; }
     .chat-page .chat-sidebar { position:fixed; inset:var(--shell-header-height) auto 0 0; width:min(320px,88vw); z-index:80; transform:translateX(-104%); box-shadow:var(--shadow-lg); }
     .chat-page.sidebar-open .chat-sidebar { transform:translateX(0); }
+    .chat-page .chat-sidebar-backdrop:not([hidden]) { display:block; position:fixed; inset:var(--shell-header-height) 0 0; z-index:79; width:100%; height:auto; padding:0; border:0; border-radius:0; background:rgba(0,0,0,.45); }
     .chat-page .sidebar-toggle { display:inline-flex; width:auto; min-width:0; padding:8px 12px; font-size:.8rem; border-radius:10px; }
     .site-page .settings-layout { grid-template-columns:1fr; }
     .site-page .settings-nav { display:flex; flex-wrap:wrap; }

public/css/style.css

@@ -419,6 +419,14 @@ input:focus, textarea:focus, select:focus { border-color: var(--brand); }
 .msg.user .msg-actions { right: 0; left: auto; justify-content: flex-end; }
 .msg:hover .msg-actions, .msg:focus-within .msg-actions { opacity: 1; }
 .msg-action-btn { min-height: 30px; padding: 5px 8px; color: var(--text-soft) !important; background: transparent !important; border: 1px solid var(--border); border-radius: 8px; font-size: .7rem; }
+.msg-action-menu { position: relative; }
+.msg-action-menu > summary { display: flex; align-items: center; cursor: pointer; list-style: none; }
+.msg-action-menu > summary::-webkit-details-marker { display: none; }
+.msg-action-menu-items { position: absolute; bottom: calc(100% + 4px); left: 0; min-width: 130px; padding: 5px; display: grid; gap: 3px; background: var(--surface-raised); border: 1px solid var(--border); border-radius: 9px; box-shadow: var(--shadow-lg); }
+.msg.user .msg-action-menu-items { left: auto; right: 0; }
+.msg-action-menu-items .msg-action-btn { width: 100%; text-align: left; border: 0; }
+.msg-action-menu-items .msg-action-btn:hover, .msg-action-menu-items .msg-action-btn:focus-visible { background: var(--surface-hover) !important; }
+.msg-action-menu[open] { z-index: 5; }
 .msg-variant-index { align-self: center; color: var(--text-muted); font-size: .7rem; }
 .typing { display: flex; gap: 5px; }
 .typing-dot { width: 6px; height: 6px; background: var(--brand); border-radius: 50%; animation: typing 1.2s infinite; }

public/js/script.js

@@ -127,6 +127,10 @@ let chatLoadingDepth = 0;
 let chatActivityDepth = 0;
 let messageRetryState = new Map();
 let availableModelsById = new Map();
+let chatSearchResults = null;
+let chatSearchError = "";
+let chatSearchTimer = null;
+let chatSearchRequest = 0;
 
 
 function setNotice(message = "", state = "") {
@@ -193,15 +197,33 @@ function isMobileLayout() {
 }
 
 function closeMobileSidebar() {
-    if (!chatSidebar) return;
+    if (!chatSidebar || !document.body.classList.contains("sidebar-open")) return;
     document.body.classList.remove("sidebar-open");
-    if (chatSidebarToggle) chatSidebarToggle.setAttribute("aria-expanded", "false");
+    if (chatSidebarToggle) {
+        chatSidebarToggle.setAttribute("aria-expanded", "false");
+        chatSidebarToggle.setAttribute("aria-label", "Open conversation history");
+    }
+    chatSidebar.inert = isMobileLayout();
+    chatSidebar.removeAttribute("aria-modal");
+    chatSidebar.removeAttribute("role");
+    const backdrop = document.getElementById("chatSidebarBackdrop");
+    if (backdrop) backdrop.hidden = true;
+    chatSidebarToggle?.focus();
 }
 
 function openMobileSidebar() {
-    if (!chatSidebar) return;
+    if (!chatSidebar || !isMobileLayout()) return;
+    chatSidebar.inert = false;
+    chatSidebar.setAttribute("role", "dialog");
+    chatSidebar.setAttribute("aria-modal", "true");
     document.body.classList.add("sidebar-open");
-    if (chatSidebarToggle) chatSidebarToggle.setAttribute("aria-expanded", "true");
+    if (chatSidebarToggle) {
+        chatSidebarToggle.setAttribute("aria-expanded", "true");
+        chatSidebarToggle.setAttribute("aria-label", "Close conversation history");
+    }
+    const backdrop = document.getElementById("chatSidebarBackdrop");
+    if (backdrop) backdrop.hidden = false;
+    chatSearchInput?.focus();
 }
 
 function hasCompletedOnboarding() {
@@ -477,7 +499,10 @@ function ensureRetryState(message) {
 
 async function openCreatedChat(chat) {
     if (!chat?.id) throw new Error("The server did not return the newly created chat");
-    if (chatSearchInput) chatSearchInput.value = "";
+    if (chatSearchInput) {
+        chatSearchInput.value = "";
+        scheduleChatSearch();
+    }
     const chatsResponse = await get("/chats");
     if (chatsResponse.error) throw new Error(chatsResponse.error);
     chatSessions = chatsResponse.chats || [];
@@ -705,6 +730,44 @@ function addMessage(contentOrMessage, isUser = false, isLoading = false, options
         header.textContent = isMessageUser ? "You" : (activeChat?.assistant_persona_name || "Assistant");
         setMessageContent(body, message.content);
 
+        const copyBtn = document.createElement("button");
+        copyBtn.type = "button";
+        copyBtn.className = "msg-action-btn";
+        copyBtn.textContent = "Copy";
+        copyBtn.setAttribute("aria-label", `Copy ${isMessageUser ? "your" : "assistant"} message`);
+        copyBtn.addEventListener("click", async () => {
+            try {
+                await navigator.clipboard.writeText(message.content || "");
+                setNotice("Message copied.", "success");
+            } catch {
+                setNotice("Unable to copy message.", "error");
+            }
+        });
+        actions.appendChild(copyBtn);
+
+        if (message.deliveryStatus === "failed" && isMessageUser) {
+            const retryFailedBtn = document.createElement("button");
+            retryFailedBtn.type = "button";
+            retryFailedBtn.className = "msg-action-btn";
+            retryFailedBtn.dataset.messageAction = "retry-failed";
+            retryFailedBtn.textContent = "Retry";
+            retryFailedBtn.disabled = isProcessing;
+            retryFailedBtn.addEventListener("click", () => { void sendMessage({ retryMessage: message }); });
+            actions.appendChild(retryFailedBtn);
+        }
+
+        const menu = document.createElement("details");
+        menu.className = "msg-action-menu";
+        const menuTrigger = document.createElement("summary");
+        menuTrigger.className = "msg-action-btn";
+        menuTrigger.textContent = "More";
+        menuTrigger.setAttribute("aria-label", "More message actions");
+        const menuItems = document.createElement("div");
+        menuItems.className = "msg-action-menu-items";
+        menuItems.addEventListener("click", () => { menu.open = false; });
+        menu.append(menuTrigger, menuItems);
+        if (message.id) actions.appendChild(menu);
+
         const editBtn = document.createElement("button");
         editBtn.type = "button";
         editBtn.className = "msg-action-btn";
@@ -713,7 +776,7 @@ function addMessage(contentOrMessage, isUser = false, isLoading = false, options
         editBtn.addEventListener("click", () => {
             void editChatMessage(message.id, options.messageIndex ?? -1);
         });
-        actions.appendChild(editBtn);
+        menuItems.appendChild(editBtn);
 
         const deleteBtn = document.createElement("button");
         deleteBtn.type = "button";
@@ -723,14 +786,14 @@ function addMessage(contentOrMessage, isUser = false, isLoading = false, options
         deleteBtn.addEventListener("click", () => {
             void deleteChatMessage(message.id, options.messageIndex ?? -1);
         });
-        actions.appendChild(deleteBtn);
+        menuItems.appendChild(deleteBtn);
 
         const branchBtn = document.createElement("button");
         branchBtn.type = "button";
         branchBtn.className = "msg-action-btn";
         branchBtn.textContent = "Branch here";
         branchBtn.addEventListener("click", () => { void branchFromMessage(message.id); });
-        actions.appendChild(branchBtn);
+        menuItems.appendChild(branchBtn);
 
         if (message.role === "bot") {
             const retriesUsed = Math.max(0, Number(message.versionCount || 1) - 1);
@@ -784,7 +847,7 @@ function addMessage(contentOrMessage, isUser = false, isLoading = false, options
         if (!isMessageUser) appendSources(msgDiv, message.sources);
         if (message.deliveryStatus === "failed" && message.errorMessage) {
             const error = document.createElement("p");
-            error.className = "status";
+            error.className = "status error";
             error.textContent = message.errorMessage;
             msgDiv.appendChild(error);
         }
@@ -1049,14 +1112,17 @@ function maybeShowPersonaNudge() {
 
 function renderChatList() {
     const query = chatSearchInput.value.trim().toLowerCase();
-    const filtered = chatSessions.filter((chat) => !query
+    const source = query ? (chatSearchResults ?? []) : chatSessions;
+    const filtered = source.filter((chat) => !query
         || chat.title.toLowerCase().includes(query)
         || String(chat.matched_content || "").toLowerCase().includes(query));
     chatList.innerHTML = "";
     if (!filtered.length) {
         const empty = document.createElement("p");
         empty.className = "status";
-        empty.textContent = query ? "No chats match this search." : "No chats yet. Start a new one.";
+        empty.textContent = query && chatSearchError ? chatSearchError
+            : query && chatSearchResults === null ? "Searching chats..."
+            : query ? "No chats match this search." : "No chats yet. Start a new one.";
         chatList.appendChild(empty);
         return;
     }
@@ -1105,6 +1171,7 @@ function renderChatList() {
             remove.setAttribute("aria-label", `Delete chat ${chat.title}`);
             remove.addEventListener("click", async (event) => {
                 event.stopPropagation();
+                closeMobileSidebar();
                 await deleteChat(chat.id);
             });
             content.append(title, meta);
@@ -1408,6 +1475,9 @@ function setLoadingState(loading, overlayOptions = null) {
     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...";
         if (overlayOptions === false) {
@@ -1460,13 +1530,17 @@ async function setActiveChat(id, {preserveComposer = false} = {}) {
 
 async function loadChatSessions() {
     setChatLoading(true, "Loading chats...");
-    const query = chatSearchInput?.value.trim();
+    const res = await get("/chats");
-    const res = query ? await get(`/chats/search?q=${encodeURIComponent(query)}`) : await get("/chats");
     if (res.error) {
         setChatLoading(false);
         return setNotice(res.error, "error");
     }
     chatSessions = res.chats || []; renderChatList();
+    if (activeChatId && getChatById(activeChatId)) {
+        updateWorkspaceCopy();
+        setChatLoading(false);
+        return;
+    }
     if (location.pathname.endsWith("/new") && !activeChatId) { currentMessages = []; renderMessages(); updateWorkspaceCopy(); updateSendState(); setChatLoading(false); return; }
     if (requestedChatId && !getChatById(requestedChatId) && !activeChatId) { setChatLoading(false); return setNotice("Conversation not found. Choose a chat from the sidebar or start a new one.", "error"); }
     if (chatSessions.length) {
@@ -1483,6 +1557,33 @@ async function loadChatSessions() {
     return setNotice("Pick a starting action to begin.", "success");
 }
 
+async function searchChatSessions(query, requestId) {
+    const res = await get(`/chats/search?q=${encodeURIComponent(query)}`);
+    if (requestId !== chatSearchRequest || chatSearchInput.value.trim() !== query) return;
+    if (res.error) {
+        chatSearchError = "Unable to search chats.";
+        renderChatList();
+        setNotice(res.error, "error");
+        return;
+    }
+    chatSearchResults = res.chats || [];
+    renderChatList();
+}
+
+function scheduleChatSearch() {
+    clearTimeout(chatSearchTimer);
+    const requestId = ++chatSearchRequest;
+    const query = chatSearchInput.value.trim();
+    chatSearchResults = null;
+    chatSearchError = "";
+    if (!query) {
+        renderChatList();
+        return;
+    }
+    renderChatList();
+    chatSearchTimer = setTimeout(() => { void searchChatSessions(query, requestId); }, 300);
+}
+
 async function createNewChat({preserveComposer = false} = {}) {
     if (!preserveComposer) attachmentComposer.discard();
     setChatLoading(true, "Creating chat...");
@@ -1852,12 +1953,16 @@ async function checkSession() {
     msgInput.focus(); return true;
 }
 
-async function sendMessage() {
+async function sendMessage({ retryMessage = null } = {}) {
     if (isProcessing) return;
     if (attachmentComposer.pending) return;
-    const attachments = attachmentComposer.attachments;
+    const attachments = retryMessage?.attachments || attachmentComposer.attachments;
-    const message = msgInput.value.trim() || (attachments.length ? "Describe the attached images." : "");
+    const message = retryMessage?.content || msgInput.value.trim() || (attachments.length ? "Describe the attached images." : "");
     if (!message) return;
+    if (retryMessage && !msgInput.value.trim()) {
+        msgInput.value = message;
+        resizeComposerInput();
+    }
     const webSearch = webSearchToggle.enabled;
     const reasoning = reasoningToggle.enabled;
     if (!activeChatId) await createNewChat({preserveComposer: true});
@@ -1868,25 +1973,31 @@ async function sendMessage() {
         currentChat.title = autoTitle; updateWorkspaceCopy(); renderChatList(); await put(`/chats/${activeChatId}`, { title: autoTitle });
     }
     const userMessage = { role: "user", content: message, attachments };
-    currentMessages.push(userMessage); addMessage(userMessage, true); updateChatActionState();
+    currentMessages.push(userMessage);
-    msgInput.value = "";
+    const userCard = addMessage(userMessage, true);
-    resizeComposerInput();
+    updateChatActionState();
     setLoadingState(true, false); setNotice("Generating reply...");
     const loadingMsg = addMessage({ role: "bot", content: "" }, false, true, { isNewest: true });
     const loadingBody = loadingMsg.querySelector(".msg-content");
     const loadingShell = loadingMsg.querySelector(".loading-shell");
     const loadingLabel = loadingMsg.querySelector(".loading-copy strong");
     loadingLabel.textContent = "Preparing response...";
+    const showSendFailure = (errorMessage) => {
+        if (!msgInput.value.trim()) {
+            msgInput.value = message;
+            resizeComposerInput();
+        }
+        userMessage.deliveryStatus = "failed";
+        userMessage.errorMessage = errorMessage;
+        userCard.replaceWith(addMessage(userMessage, true, false, { detached: true }));
+        setNotice(errorMessage, "error");
+    };
+    let completedReply = null;
     try {
         let streamError = null;
         await stream("/chat/stream", { message, attachments: attachments.map(item => item.id), model: modelSelect.value, chatId: activeChatId, webSearch, reasoning }, {
             onStatus: ({ status, sourceCount, searchState }) => {
-                if (status === "accepted") {
+                if (status === "accepted") return;
-                    attachmentComposer.clear();
-                    webSearchToggle.reset();
-                    reasoningToggle.reset();
-                    return;
-                }
                 loadingLabel.textContent = status === "analyzing" ? "Analyzing images..." : status === "searching" ? "Searching the web..."
                     : searchState === "no_relevant_results" ? "No sufficiently relevant results. Generating response..."
                         : sourceCount === 0 ? "No web results found. Generating response..." : "Generating response...";
@@ -1909,7 +2020,10 @@ async function sendMessage() {
                 }
                 if (follow) scrollMessagesToBottom();
             },
-            onDone: () => { webSearchToggle.reset(); reasoningToggle.reset(); finishReasoning(loadingMsg); },
+            onDone: ({ reply }) => {
+                completedReply = reply;
+                webSearchToggle.reset(); reasoningToggle.reset(); finishReasoning(loadingMsg);
+            },
             onError: ({ error }) => {
                 streamError = error || "Failed to generate reply.";
             }
@@ -1918,14 +2032,16 @@ async function sendMessage() {
         const previousScrollTop = messagesDiv.scrollTop;
         if (messagesDiv.contains(loadingMsg)) messagesDiv.removeChild(loadingMsg);
         if (streamError) {
-            if (webSearch) {
+            showSendFailure(streamError);
-                msgInput.value = message;
-                resizeComposerInput();
-            }
-            addMessage(`[Error: ${streamError}]`);
-            setNotice(streamError, "error");
             return;
         }
+        if (msgInput.value.trim() === message) {
+            msgInput.value = "";
+            resizeComposerInput();
+        }
+        const composerAttachments = attachmentComposer.attachments;
+        if (composerAttachments.length === attachments.length
+            && composerAttachments.every((item, index) => item.id === attachments[index].id)) attachmentComposer.clear();
         await setActiveChat(activeChatId);
         await loadSummary();
         markOnboardingCompleted();
@@ -1934,12 +2050,16 @@ async function sendMessage() {
         setNotice("Reply received.", "success");
     } catch (error) {
         if (messagesDiv.contains(loadingMsg)) messagesDiv.removeChild(loadingMsg);
-        if (webSearch) {
-            msgInput.value = message;
-            resizeComposerInput();
-        }
         const errorMessage = error?.message || "Network error while sending message.";
-        addMessage(`[Error: ${errorMessage}]`); setNotice(errorMessage, "error");
+        if (completedReply !== null) {
+            if (userCard.isConnected) {
+                currentMessages.push({ role: "bot", content: completedReply });
+                addMessage(completedReply);
+            }
+            setNotice(`Reply sent, but the conversation could not be refreshed: ${errorMessage}`, "error");
+        } else {
+            showSendFailure(errorMessage);
+        }
     } finally {
         setLoadingState(false); msgInput.focus(); updateChatActionState();
     }
@@ -1996,7 +2116,7 @@ function bindChatDrawerActions() {
 }
 
 sendBtn.addEventListener("click", () => { void (isProcessing ? stopGeneration() : sendMessage()); });
-msgInput.addEventListener("keydown", (event) => { if (event.key === "Enter" && !event.shiftKey) { event.preventDefault(); void sendMessage(); } });
+msgInput.addEventListener("keydown", (event) => { if (event.key === "Enter" && !event.shiftKey && !event.isComposing) { event.preventDefault(); void sendMessage(); } });
 msgInput.addEventListener("input", function () {
     resizeComposerInput();
     updateSendState();
@@ -2019,7 +2139,7 @@ if (importWorkspaceBtn) importWorkspaceBtn.addEventListener("click", () => {
 if (importWorkspaceFileInput) importWorkspaceFileInput.addEventListener("change", () => {
     void importWorkspaceFromFile(importWorkspaceFileInput.files?.[0]);
 });
-chatSearchInput.addEventListener("input", () => { void loadChatSessions(); });
+chatSearchInput.addEventListener("input", scheduleChatSearch);
 modelSelect.addEventListener("change", () => {
     renderModelSection();
     void saveSelectedModel();
@@ -2072,9 +2192,11 @@ popupInput.addEventListener("keydown", (event) => {
     }
 });
 bindChatDrawerActions();
+if (chatSidebar) chatSidebar.inert = isMobileLayout();
 if (chatSidebar) {
     chatSidebar.addEventListener("click", (event) => event.stopPropagation());
 }
+document.getElementById("chatSidebarBackdrop")?.addEventListener("click", closeMobileSidebar);
 if (chatSidebarToggle) {
     chatSidebarToggle.addEventListener("click", (event) => {
         event.stopPropagation();
@@ -2105,14 +2227,33 @@ if (onboardingModal) {
         if (event.target === onboardingModal) markOnboardingCompleted();
     });
 }
-document.addEventListener("click", () => {
+document.addEventListener("click", (event) => {
+    if (!event.target.closest(".msg-action-menu")) {
+        document.querySelectorAll(".msg-action-menu[open]").forEach((menu) => { menu.open = false; });
+    }
     closeMobileSidebar();
 });
 window.addEventListener("resize", () => {
     if (!isMobileLayout()) closeMobileSidebar();
+    if (chatSidebar) chatSidebar.inert = isMobileLayout() && !document.body.classList.contains("sidebar-open");
 });
 document.addEventListener("keydown", (event) => {
+    if (event.key === "Tab" && isMobileLayout() && document.body.classList.contains("sidebar-open")) {
+        const focusables = [...chatSidebar.querySelectorAll('button:not([disabled]), input:not([disabled]), [tabindex="0"]')]
+            .filter((element) => !element.hidden && !element.closest("[hidden]"));
+        const first = focusables[0], last = focusables.at(-1);
+        if (event.shiftKey && (document.activeElement === first || !chatSidebar.contains(document.activeElement))) {
+            event.preventDefault(); last?.focus();
+        } else if (!event.shiftKey && (document.activeElement === last || !chatSidebar.contains(document.activeElement))) {
+            event.preventDefault(); first?.focus();
+        }
+    }
     if (event.key === "Escape") {
+        const openMenu = document.querySelector(".msg-action-menu[open]");
+        if (openMenu) {
+            openMenu.open = false;
+            openMenu.querySelector("summary")?.focus();
+        }
         closeMobileSidebar();
         closeRoleplayStarter();
         closePersonaForm();