feat: add password management, reading persistence on feed switch, and spin animation

web/src/components/SettingsView.tsx

@@ -20,6 +20,8 @@ import {
   Clock,
   Timer,
   Eye,
+  Lock,
+  Key,
 } from 'lucide-react';
 
 interface SettingsViewProps {
@@ -71,6 +73,43 @@ export const SettingsView: React.FC<SettingsViewProps> = ({
   const [opmlLoading, setOpmlLoading] = useState(false);
   const [opmlResult, setOpmlResult] = useState<string | null>(null);
 
+  // Change Password state
+  const [oldPassword, setOldPassword] = useState('');
+  const [newPassword, setNewPassword] = useState('');
+  const [confirmPassword, setConfirmPassword] = useState('');
+  const [passwordLoading, setPasswordLoading] = useState(false);
+  const [passwordError, setPasswordError] = useState<string | null>(null);
+  const [passwordSuccess, setPasswordSuccess] = useState<string | null>(null);
+
+  const handleChangePassword = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setPasswordError(null);
+    setPasswordSuccess(null);
+
+    if (newPassword.length < 6) {
+      setPasswordError('New password must be at least 6 characters long');
+      return;
+    }
+
+    if (newPassword !== confirmPassword) {
+      setPasswordError('New passwords do not match');
+      return;
+    }
+
+    setPasswordLoading(true);
+    try {
+      await api.changePassword(oldPassword, newPassword);
+      setPasswordSuccess('Password updated successfully! Please use your new password next time you log in.');
+      setOldPassword('');
+      setNewPassword('');
+      setConfirmPassword('');
+    } catch (err: any) {
+      setPasswordError(err.message || 'Failed to update password');
+    } finally {
+      setPasswordLoading(false);
+    }
+  };
+
   // Filter feeds
   const filteredFeeds = feeds.filter(
     (f) =>
@@ -633,6 +672,87 @@ export const SettingsView: React.FC<SettingsViewProps> = ({
               </div>
             </div>
 
+            <div className="settings-card">
+              <h3 className="settings-card-title" style={{ display: 'flex', alignItems: 'center', gap: 6 }}>
+                <Lock size={15} style={{ color: 'var(--accent)' }} />
+                <span>Change Password</span>
+              </h3>
+              <p className="settings-card-subtitle">
+                Update your single-user administrator password. Minimum 6 characters required.
+              </p>
+
+              {passwordSuccess && (
+                <div style={{ background: '#f0fdf4', border: '1px solid #bbf7d0', color: 'var(--success)', padding: '0.75rem 1rem', borderRadius: 6, marginBottom: '1rem', fontSize: '0.85rem', display: 'flex', alignItems: 'center', gap: 8 }}>
+                  <CheckCircle2 size={16} />
+                  <span>{passwordSuccess}</span>
+                </div>
+              )}
+
+              {passwordError && (
+                <div style={{ background: '#fef2f2', border: '1px solid #fecaca', color: 'var(--danger)', padding: '0.75rem 1rem', borderRadius: 6, marginBottom: '1rem', fontSize: '0.85rem', display: 'flex', alignItems: 'center', gap: 8 }}>
+                  <AlertCircle size={16} />
+                  <span>{passwordError}</span>
+                </div>
+              )}
+
+              <form onSubmit={handleChangePassword} style={{ maxWidth: 420, marginTop: '0.75rem' }}>
+                <div className="form-group">
+                  <label className="form-label">Current Password</label>
+                  <input
+                    type="password"
+                    className="form-input"
+                    placeholder="Enter current password"
+                    value={oldPassword}
+                    onChange={(e) => setOldPassword(e.target.value)}
+                    required
+                  />
+                </div>
+
+                <div className="form-group">
+                  <label className="form-label">New Password</label>
+                  <input
+                    type="password"
+                    className="form-input"
+                    placeholder="Enter new password (min. 6 characters)"
+                    value={newPassword}
+                    onChange={(e) => setNewPassword(e.target.value)}
+                    required
+                  />
+                </div>
+
+                <div className="form-group">
+                  <label className="form-label">Confirm New Password</label>
+                  <input
+                    type="password"
+                    className="form-input"
+                    placeholder="Re-enter new password"
+                    value={confirmPassword}
+                    onChange={(e) => setConfirmPassword(e.target.value)}
+                    required
+                  />
+                </div>
+
+                <button
+                  type="submit"
+                  className="btn-primary"
+                  disabled={passwordLoading}
+                  style={{ marginTop: '0.5rem' }}
+                >
+                  {passwordLoading ? (
+                    <>
+                      <Loader2 size={14} className="animate-spin" />
+                      <span>Updating Password...</span>
+                    </>
+                  ) : (
+                    <>
+                      <Key size={14} />
+                      <span>Update Password</span>
+                    </>
+                  )}
+                </button>
+              </form>
+            </div>
+
             <div className="settings-card">
               <h3 className="settings-card-title">Storage & Engine Stats</h3>
               <div style={{ fontSize: '0.85rem', color: 'var(--text-secondary)', marginTop: '0.5rem' }}>