Feat: #524 enhancement Post Editor : Accessibility Improvement

docs/ACCESSIBILITY.md

@@ -38,6 +38,7 @@ Use **assertive** only for urgent errors or time-sensitive status.
 
 - Give the primary `<main>` a stable id such as `main-content` so skip links and **Alt+M** work everywhere. There should be **exactly one** `<main>` (or `role="main"`) per view.
 - For horizontal toolbars, add `data-roving-root` on the toolbar container. **Left/Right arrow** moves among buttons, links, tabs, and elements marked with `data-roving-item` (including those using `tabindex="-1"` for roving patterns).
+- Rich post editors should expose a named multiline textbox, a named formatting toolbar with pressed states, and helper text connected through `aria-describedby`. Post composer message lists should use `role="log"` with polite updates so new discussion activity is announced without interrupting the current task.
 
 ## What automation does _not_ prove
 

src/app/components/messaging/MessageComposer.tsx

@@ -1,6 +1,6 @@
 'use client';
 
-import { useState, useRef, useCallback } from 'react';
+import { useState, useRef, useCallback, useId } from 'react';
 import { FiSend, FiPaperclip, FiX, FiFile, FiImage, FiFileText } from 'react-icons/fi';
 import RichTextEditor from '@/app/components/ui/RichTextEditor';
 
@@ -39,6 +39,7 @@ export default function MessageComposer({
 }: MessageComposerProps) {
   const [content, setContent] = useState('');
   const fileInputRef = useRef<HTMLInputElement>(null);
+  const editorHelpId = useId();
 
   const handleContentChange = useCallback(
     (newContent: string) => {
@@ -161,6 +162,8 @@ export default function MessageComposer({
               content={content}
               onChange={handleContentChange}
               placeholder="Type your message..."
+              ariaLabel="Message content"
+              describedBy={editorHelpId}
             />
           </div>
 
@@ -182,7 +185,7 @@ export default function MessageComposer({
         </div>
 
         {/* Helper Text */}
-        <p className="text-[10px] text-gray-400 dark:text-gray-500 mt-2 ml-12">
+        <p id={editorHelpId} className="text-[10px] text-gray-400 dark:text-gray-500 mt-2 ml-12">
           Press{' '}
           <kbd className="px-1 py-0.5 bg-gray-100 dark:bg-gray-800 rounded text-[10px] font-mono">
             Enter

src/app/components/social/GroupDiscussionThread.tsx

@@ -1,6 +1,6 @@
 'use client';
 
-import React, { useMemo, useState, useEffect, useRef } from 'react';
+import React, { useMemo, useState, useEffect, useRef, useId } from 'react';
 import { motion, AnimatePresence } from 'framer-motion';
 import { Paperclip, Send } from 'lucide-react';
 import RichTextEditor from '@/app/components/ui/RichTextEditor';
@@ -26,6 +26,7 @@ export default function GroupDiscussionThread({ messages, onPost }: GroupDiscuss
   const [files, setFiles] = useState<File[]>([]);
   const messagesEndRef = useRef<HTMLDivElement>(null);
   const fileInputRef = useRef<HTMLInputElement>(null);
+  const editorHelpId = useId();
 
   const attachments = useMemo<Attachment[]>(
     () =>
@@ -56,37 +57,60 @@ export default function GroupDiscussionThread({ messages, onPost }: GroupDiscuss
     }
   };
 
+  const handleEditorKeyDown = (event: React.KeyboardEvent<HTMLDivElement>) => {
+    if ((event.metaKey || event.ctrlKey) && event.key === 'Enter') {
+      event.preventDefault();
+      handlePost();
+    }
+  };
+
   return (
     <div className="flex flex-col h-full max-h-[600px] bg-white dark:bg-gray-800 rounded-lg border border-gray-200 dark:border-gray-700">
-      <div className="flex-1 overflow-y-auto space-y-4 p-4">
+      <div
+        className="flex-1 overflow-y-auto space-y-4 p-4"
+        role="log"
+        aria-label="Discussion messages"
+        aria-live="polite"
+        aria-relevant="additions text"
+      >
         {messages.length === 0 ? (
-          <div className="text-center py-8 text-gray-500 dark:text-gray-400">
+          <div className="text-center py-8 text-gray-500 dark:text-gray-400" role="status">
             <p className="text-sm">No messages yet. Start the conversation!</p>
           </div>
         ) : (
           <AnimatePresence>
             {messages.map((m, index) => (
-              <motion.div
+              <motion.article
                 key={m.id}
                 initial={{ opacity: 0, y: 10 }}
                 animate={{ opacity: 1, y: 0 }}
                 transition={{ delay: index * 0.05 }}
                 className="flex items-start gap-3 group"
+                aria-labelledby={`message-${m.id}-sender`}
               >
                 {/* Avatar */}
-                <div className="flex-shrink-0 w-10 h-10 rounded-full bg-purple-100 dark:bg-purple-900/30 border-2 border-white dark:border-gray-700 flex items-center justify-center text-sm font-medium text-purple-600 dark:text-purple-400">
+                <div
+                  className="flex-shrink-0 w-10 h-10 rounded-full bg-purple-100 dark:bg-purple-900/30 border-2 border-white dark:border-gray-700 flex items-center justify-center text-sm font-medium text-purple-600 dark:text-purple-400"
+                  aria-hidden="true"
+                >
                   {getInitials(m.senderName)}
                 </div>
 
                 {/* Message Content */}
                 <div className="flex-1 min-w-0">
                   <div className="flex items-center gap-2 mb-1">
-                    <span className="text-sm font-medium text-gray-900 dark:text-gray-50">
+                    <span
+                      id={`message-${m.id}-sender`}
+                      className="text-sm font-medium text-gray-900 dark:text-gray-50"
+                    >
                       {m.senderName}
                     </span>
-                    <span className="text-xs text-gray-500 dark:text-gray-400">
+                    <time
+                      className="text-xs text-gray-500 dark:text-gray-400"
+                      dateTime={new Date(m.createdAt).toISOString()}
+                    >
                       {formatDistanceToNow(new Date(m.createdAt), { addSuffix: true })}
-                    </span>
+                    </time>
                   </div>
                   <div
                     className="prose prose-sm dark:prose-invert max-w-none text-gray-700 dark:text-gray-300 bg-gray-50 dark:bg-gray-700/50 rounded-lg p-3"
@@ -109,16 +133,31 @@ export default function GroupDiscussionThread({ messages, onPost }: GroupDiscuss
                     </div>
                   )}
                 </div>
-              </motion.div>
+              </motion.article>
             ))}
           </AnimatePresence>
         )}
         <div ref={messagesEndRef} />
       </div>
 
       {/* Message Input */}
-      <div className="border-t border-gray-200 dark:border-gray-700 p-4 space-y-3 bg-gray-50 dark:bg-gray-900/50">
-        <RichTextEditor content={content} onChange={setContent} placeholder="Share an update..." />
+      <form
+        className="border-t border-gray-200 dark:border-gray-700 p-4 space-y-3 bg-gray-50 dark:bg-gray-900/50"
+        onSubmit={(event) => {
+          event.preventDefault();
+          handlePost();
+        }}
+        aria-label="Create discussion post"
+      >
+        <div onKeyDown={handleEditorKeyDown}>
+          <RichTextEditor
+            content={content}
+            onChange={setContent}
+            placeholder="Share an update..."
+            ariaLabel="Discussion post content"
+            describedBy={editorHelpId}
+          />
+        </div>
         <div className="flex items-center justify-between">
           <label className="inline-flex items-center gap-2 text-sm text-gray-600 dark:text-gray-400 cursor-pointer hover:text-purple-600 dark:hover:text-purple-400 transition-colors">
             <Paperclip size={16} />
@@ -128,16 +167,17 @@ export default function GroupDiscussionThread({ messages, onPost }: GroupDiscuss
               type="file"
               className="hidden"
               multiple
+              aria-label="Attach files to discussion post"
               onChange={(e) => {
                 const fl = Array.from(e.target.files || []);
                 setFiles((prev) => [...prev, ...fl]);
               }}
             />
           </label>
           <button
-            onClick={handlePost}
             disabled={!content || content === '<p></p>' || content.trim() === ''}
             className="px-4 py-2 rounded-md bg-purple-600 hover:bg-purple-700 disabled:bg-gray-300 disabled:cursor-not-allowed text-white text-sm font-medium transition-colors flex items-center gap-2"
+            type="submit"
           >
             <Send size={16} />
             Post
@@ -155,17 +195,21 @@ export default function GroupDiscussionThread({ messages, onPost }: GroupDiscuss
               >
                 {file.name}
                 <button
+                  type="button"
                   onClick={() => setFiles(files.filter((_, i) => i !== index))}
                   className="hover:text-purple-900 dark:hover:text-purple-100"
+                  aria-label={`Remove ${file.name}`}
                 >
                   ×
                 </button>
               </span>
             ))}
           </div>
         )}
-        <p className="text-xs text-gray-500 dark:text-gray-400">Press Cmd/Ctrl + Enter to post</p>
-      </div>
+        <p id={editorHelpId} className="text-xs text-gray-500 dark:text-gray-400">
+          Press Cmd/Ctrl + Enter to post
+        </p>
+      </form>
     </div>
   );
 }

src/app/components/social/__tests__/GroupDiscussionThread.test.tsx

@@ -3,8 +3,24 @@ import { describe, it, expect, vi } from 'vitest';
 
 // Mock the RichTextEditor to avoid TipTap dependency in tests
 vi.mock('@/app/components/ui/RichTextEditor', () => ({
-  default: ({ content, onChange }: { content: string; onChange: (v: string) => void }) => (
-    <textarea data-testid="rte" value={content} onChange={(e) => onChange(e.target.value)} />
+  default: ({
+    content,
+    onChange,
+    ariaLabel,
+    describedBy,
+  }: {
+    content: string;
+    onChange: (v: string) => void;
+    ariaLabel?: string;
+    describedBy?: string;
+  }) => (
+    <textarea
+      aria-label={ariaLabel}
+      aria-describedby={describedBy}
+      data-testid="rte"
+      value={content}
+      onChange={(e) => onChange(e.target.value)}
+    />
   ),
 }));
 
@@ -16,8 +32,30 @@ describe('GroupDiscussionThread', () => {
     render(<GroupDiscussionThread messages={[]} onPost={onPost} />);
 
     fireEvent.change(screen.getByTestId('rte'), { target: { value: '<p>Hello</p>' } });
-    fireEvent.click(screen.getByText('Post'));
+    fireEvent.click(screen.getByRole('button', { name: 'Post' }));
 
     expect(onPost).toHaveBeenCalledWith('<p>Hello</p>', undefined);
   });
+
+  it('labels the post form, editor, and message log for assistive tech', () => {
+    render(<GroupDiscussionThread messages={[]} onPost={vi.fn()} />);
+
+    expect(screen.getByRole('log', { name: 'Discussion messages' })).toBeInTheDocument();
+    expect(screen.getByRole('form', { name: 'Create discussion post' })).toBeInTheDocument();
+    expect(screen.getByRole('textbox', { name: 'Discussion post content' })).toHaveAccessibleDescription(
+      'Press Cmd/Ctrl + Enter to post',
+    );
+    expect(screen.getByRole('status')).toHaveTextContent('No messages yet');
+  });
+
+  it('posts content with the documented keyboard shortcut', () => {
+    const onPost = vi.fn();
+    render(<GroupDiscussionThread messages={[]} onPost={onPost} />);
+
+    const editor = screen.getByRole('textbox', { name: 'Discussion post content' });
+    fireEvent.change(editor, { target: { value: '<p>Keyboard post</p>' } });
+    fireEvent.keyDown(editor, { key: 'Enter', ctrlKey: true });
+
+    expect(onPost).toHaveBeenCalledWith('<p>Keyboard post</p>', undefined);
+  });
 });

src/app/components/ui/RichTextEditor.tsx

@@ -4,19 +4,27 @@ import { useEditor, EditorContent } from '@tiptap/react';
 import StarterKit from '@tiptap/starter-kit';
 import Placeholder from '@tiptap/extension-placeholder';
 import { Bold, Italic, List, ListOrdered, Code, Strikethrough } from 'lucide-react';
-import { useEffect } from 'react';
+import { useEffect, useId } from 'react';
+import type { ReactNode } from 'react';
 
 interface RichTextEditorProps {
   content: string;
   onChange: (content: string) => void;
   placeholder?: string;
+  ariaLabel?: string;
+  describedBy?: string;
 }
 
 export default function RichTextEditor({
   content,
   onChange,
   placeholder = 'Type your message...',
+  ariaLabel = 'Post editor',
+  describedBy,
 }: RichTextEditorProps) {
+  const editorId = useId();
+  const toolbarId = `${editorId}-toolbar`;
+
   const editor = useEditor({
     extensions: [
       StarterKit,
@@ -32,6 +40,12 @@ export default function RichTextEditor({
     },
     editorProps: {
       attributes: {
+        role: 'textbox',
+        'aria-label': ariaLabel,
+        'aria-describedby': [describedBy, toolbarId].filter(Boolean).join(' '),
+        'aria-multiline': 'true',
+        'aria-placeholder': placeholder,
+        spellcheck: 'true',
         class:
           'prose prose-sm dark:prose-invert focus:outline-none max-w-none min-h-[44px] text-sm',
       },
@@ -58,7 +72,7 @@ export default function RichTextEditor({
     isActive: boolean;
     onClick: () => void;
     label: string;
-    children: React.ReactNode;
+    children: ReactNode;
   }) => (
     <button
       onClick={onClick}
@@ -68,6 +82,8 @@ export default function RichTextEditor({
           : 'hover:bg-gray-100 dark:hover:bg-gray-700 text-gray-500 dark:text-gray-400 hover:text-gray-700 dark:hover:text-gray-300'
       }`}
       aria-label={label}
+      aria-pressed={isActive}
+      title={label}
       type="button"
     >
       {children}
@@ -77,7 +93,12 @@ export default function RichTextEditor({
   return (
     <div className="border border-gray-200 dark:border-gray-700 rounded-xl bg-white dark:bg-gray-800 overflow-hidden transition-all duration-200 focus-within:ring-2 focus-within:ring-violet-500/30 focus-within:border-violet-300 dark:focus-within:border-violet-700">
       {/* Toolbar */}
-      <div className="border-b border-gray-100 dark:border-gray-700 px-2 py-1.5 flex items-center gap-0.5 bg-gray-50/50 dark:bg-gray-800/50">
+      <div
+        id={toolbarId}
+        className="border-b border-gray-100 dark:border-gray-700 px-2 py-1.5 flex items-center gap-0.5 bg-gray-50/50 dark:bg-gray-800/50"
+        role="toolbar"
+        aria-label={`${ariaLabel} formatting controls`}
+      >
         <ToolbarButton
           isActive={editor.isActive('bold')}
           onClick={() => editor.chain().focus().toggleBold().run()}
@@ -100,7 +121,11 @@ export default function RichTextEditor({
           <Strikethrough size={14} />
         </ToolbarButton>
 
-        <div className="w-px h-5 bg-gray-200 dark:bg-gray-700 mx-1" />
+        <div
+          className="w-px h-5 bg-gray-200 dark:bg-gray-700 mx-1"
+          role="separator"
+          aria-orientation="vertical"
+        />
 
         <ToolbarButton
           isActive={editor.isActive('bulletList')}
@@ -117,7 +142,11 @@ export default function RichTextEditor({
           <ListOrdered size={14} />
         </ToolbarButton>
 
-        <div className="w-px h-5 bg-gray-200 dark:bg-gray-700 mx-1" />
+        <div
+          className="w-px h-5 bg-gray-200 dark:bg-gray-700 mx-1"
+          role="separator"
+          aria-orientation="vertical"
+        />
 
         <ToolbarButton
           isActive={editor.isActive('code')}