fix: a11y

apps/client/src/ee/ai-chat/components/ai-chat-sidebar.tsx

@@ -137,7 +137,8 @@ export default function AiChatSidebar() {
 
       <TextInput
         className={classes.searchInput}
-        placeholder="Search chats..."
+        placeholder={t("Search chats...")}
+        aria-label={t("Search chats")}
         leftSection={<IconSearch size={14} />}
         size="xs"
         value={search}

apps/client/src/ee/ai-chat/components/aside-chat-panel.tsx

@@ -178,6 +178,7 @@ export default function AsideChatPanel() {
             href="/ai"
             variant="subtle"
             color="dark"
+            aria-label={t("New chat")}
             onClick={handleNewChat}
           >
             <IconPlus size={20} stroke={1.75} />
@@ -185,13 +186,23 @@ export default function AsideChatPanel() {
         </Tooltip>
 
         <Tooltip label={t("Open full page")} openDelay={250}>
-          <ActionIcon variant="subtle" color="dark" onClick={handleExpand}>
+          <ActionIcon
+            variant="subtle"
+            color="dark"
+            aria-label={t("Open full page")}
+            onClick={handleExpand}
+          >
             <IconArrowsDiagonal size={18} stroke={1.5} />
           </ActionIcon>
         </Tooltip>
 
         <Tooltip label={t("Close")} openDelay={250}>
-          <ActionIcon variant="subtle" color="dark" onClick={handleClose}>
+          <ActionIcon
+            variant="subtle"
+            color="dark"
+            aria-label={t("Close")}
+            onClick={handleClose}
+          >
             <IconX size={20} stroke={1.75} />
           </ActionIcon>
         </Tooltip>

apps/client/src/ee/ai-chat/components/chat-input.tsx

@@ -225,6 +225,10 @@ export default function ChatInput({
       }),
     ],
     editorProps: {
+      attributes: {
+        "aria-label": placeholder || t("Ask anything... Use @ to mention pages"),
+        "aria-multiline": "true",
+      },
       handleDOMEvents: {
         keydown: (_view, event) => {
           if (
@@ -275,6 +279,8 @@ export default function ChatInput({
         type="file"
         accept={ACCEPTED_FILE_TYPES}
         multiple
+        aria-label={t("Add files")}
+        tabIndex={-1}
         style={{ display: "none" }}
         onChange={(e) => handleFileSelect(e.target.files)}
       />

apps/client/src/ee/ai-chat/components/chat-tool-group.tsx

@@ -31,7 +31,16 @@ export default function ChatToolGroup({ toolCalls, isStreaming }: Props) {
     <div className={classes.toolGroup}>
       <div
         className={classes.toolGroupHeader}
+        role="button"
+        tabIndex={0}
+        aria-expanded={expanded}
         onClick={() => setExpanded((prev) => !prev)}
+        onKeyDown={(event) => {
+          if (event.key === "Enter" || event.key === " ") {
+            event.preventDefault();
+            setExpanded((prev) => !prev);
+          }
+        }}
       >
         {activeLabel ? (
           <IconLoader2 size={12} className={classes.processingSpinner} />