feat(web): TODO-002 feedback form in settings page via @bytelyst/feedback-client

web/src/app/settings/page.tsx

@@ -2,7 +2,8 @@
 
 import { useState, useEffect } from 'react';
 import Link from 'next/link';
-import { ArrowLeft, Volume2, Bell, Palette, Trash2, Minimize2, User, LogOut } from 'lucide-react';
+import { ArrowLeft, Volume2, Bell, Palette, Trash2, Minimize2, User, LogOut, MessageSquarePlus } from 'lucide-react';
+import { feedbackClient } from '@/lib/feedback';
 import { URGENCY_ORDER, getUrgencyConfig } from '@/lib/urgency';
 import { previewSound } from '@/lib/sounds';
 import { getNotificationPermission, requestNotificationPermission } from '@/lib/notifications';
@@ -33,6 +34,10 @@ export default function SettingsPage() {
   const [showChangePw, setShowChangePw] = useState(false);
   const [showDeleteAccount, setShowDeleteAccount] = useState(false);
   const [deleteConfirmPw, setDeleteConfirmPw] = useState('');
+  const [feedbackType, setFeedbackType] = useState<'bug' | 'feature' | 'praise'>('feature');
+  const [feedbackText, setFeedbackText] = useState('');
+  const [feedbackSubmitting, setFeedbackSubmitting] = useState(false);
+  const [feedbackSuccess, setFeedbackSuccess] = useState(false);
 
   useEffect(() => {
     setMounted(true);
@@ -489,6 +494,74 @@ export default function SettingsPage() {
           </div>
         </section>
 
+        {/* Feedback */}
+        <section className="mb-8">
+          <h2 className="flex items-center gap-2 text-base font-semibold mb-4" style={{ color: 'var(--cm-text-primary)' }}>
+            <MessageSquarePlus size={18} /> Feedback
+          </h2>
+          <div
+            className="rounded-xl border p-4"
+            style={{ backgroundColor: 'var(--cm-surface-card)', borderColor: 'var(--cm-border)' }}
+          >
+            {feedbackSuccess ? (
+              <p className="text-sm font-medium" style={{ color: 'var(--cm-gentle)' }}>
+                Thank you for your feedback!
+              </p>
+            ) : (
+              <div className="space-y-3">
+                <div className="flex gap-2">
+                  {(['feature', 'bug', 'praise'] as const).map((t) => (
+                    <button
+                      key={t}
+                      onClick={() => setFeedbackType(t)}
+                      aria-label={`Feedback type: ${t}`}
+                      className="px-3 py-1.5 rounded-lg text-xs font-medium cursor-pointer"
+                      style={{
+                        backgroundColor: feedbackType === t ? 'var(--cm-accent)' : 'var(--cm-surface-muted)',
+                        color: feedbackType === t ? 'var(--cm-white)' : 'var(--cm-text-secondary)',
+                      }}
+                    >
+                      {t === 'feature' ? 'Feature Request' : t === 'bug' ? 'Bug Report' : 'Praise'}
+                    </button>
+                  ))}
+                </div>
+                <textarea
+                  value={feedbackText}
+                  onChange={(e) => setFeedbackText(e.target.value)}
+                  placeholder="Tell us what you think..."
+                  rows={3}
+                  className="w-full px-3 py-2 rounded-lg text-sm outline-none resize-none"
+                  style={{
+                    backgroundColor: 'var(--cm-surface-muted)',
+                    color: 'var(--cm-text-primary)',
+                    border: '1px solid var(--cm-border)',
+                  }}
+                />
+                <button
+                  onClick={async () => {
+                    if (!feedbackText.trim()) return;
+                    setFeedbackSubmitting(true);
+                    try {
+                      await feedbackClient.submitWithScreenshot({ type: feedbackType, title: feedbackText.trim().slice(0, 100), body: feedbackText.trim(), platform: 'web' });
+                      setFeedbackSuccess(true);
+                      setFeedbackText('');
+                      setTimeout(() => setFeedbackSuccess(false), 4000);
+                    } catch {
+                      // fail silently — feedback is best-effort
+                    }
+                    setFeedbackSubmitting(false);
+                  }}
+                  disabled={feedbackSubmitting || !feedbackText.trim()}
+                  className="w-full px-4 py-2 rounded-lg text-sm font-medium cursor-pointer disabled:opacity-40"
+                  style={{ backgroundColor: 'var(--cm-accent)', color: 'var(--cm-white)' }}
+                >
+                  {feedbackSubmitting ? 'Sending...' : 'Send Feedback'}
+                </button>
+              </div>
+            )}
+          </div>
+        </section>
+
         {/* About */}
         <section>
           <div