bug fixes

frontend/src/components/SchedulePage.jsx

@@ -663,6 +663,9 @@ function EventForm({ event, userGroups, eventTypes, selectedDate, onSave, onCanc
   return (
     <>
     <div style={{width:'100%',maxWidth:1024,overflowX:'auto'}}>
+      {/* form wrapper suppresses Chrome Android's autofill chip bar; autoComplete="off"
+          on individual inputs is ignored by Chrome but respected on the form element */}
+      <form autoComplete="off" onSubmit={e => e.preventDefault()}>
         <div style={{minWidth:500}} onKeyDown={e=>{if(e.key==='Enter'&&e.target.tagName!=='TEXTAREA') e.preventDefault();}}>
           {/* Title */}
           <div style={{marginBottom:20}}>
@@ -766,6 +769,7 @@ function EventForm({ event, userGroups, eventTypes, selectedDate, onSave, onCanc
           {event&&(isToolManager||(userId&&event.created_by===userId))&&<button className="btn btn-sm" style={{marginLeft:'auto',background:'var(--error)',color:'white'}} onClick={()=>onDelete(event)}>Delete</button>}
         </div>
       </div>
+      </form>
     </div>
     {showScopeModal&&<RecurringChoiceModal title="Edit recurring event" onConfirm={doSave} onCancel={()=>setShowScopeModal(false)}/>}
     </>

frontend/src/components/UserManagerModal.jsx

@@ -290,6 +290,9 @@ export default function UserManagerModal({ onClose }) {
   return (
     <div className="modal-overlay" onClick={e => e.target === e.currentTarget && onClose()}>
       <div className="modal" style={{ maxWidth: 600, width: '100%' }}>
+        {/* form wrapper suppresses Chrome Android's autofill chip bar; autoComplete="off"
+            on individual inputs is ignored by Chrome but respected on the form element */}
+        <form autoComplete="off" onSubmit={e => e.preventDefault()}>
           <div className="flex items-center justify-between" style={{ marginBottom: 20 }}>
             <h2 className="modal-title" style={{ margin: 0 }}>User Manager</h2>
             <button className="btn-icon" onClick={onClose}>
@@ -421,6 +424,7 @@ export default function UserManagerModal({ onClose }) {
             )}
           </div>
         )}
+        </form>
       </div>
     </div>
   );

frontend/src/pages/GroupManagerPage.jsx

@@ -741,12 +741,16 @@ export default function GroupManagerPage({ isMobile = false, onProfile, onHelp,
           </div>
         )}
 
+        {/* form wrapper suppresses Chrome Android's autofill chip bar; autoComplete="off"
+            on individual inputs is ignored by Chrome but respected on the form element */}
+        <form autoComplete="off" onSubmit={e => e.preventDefault()}>
           {/* Content */}
           <div style={{ flex:1, display:'flex', overflow: isMobile ? 'auto' : 'hidden', paddingBottom: isMobile ? 'calc(82px + env(safe-area-inset-bottom, 0px))' : 0 }}>
             {tab==='all' && <AllGroupsTab allUsers={allUsers} onRefresh={onRefresh} isMobile={isMobile} onIF={onIF} onIB={onIB} />}
             {tab==='dm'  && <DirectMessagesTab allUserGroups={allUserGroups} onRefresh={onRefresh} refreshKey={refreshKey} isMobile={isMobile} onIF={onIF} onIB={onIB} />}
             {tab==='u2u' && <U2URestrictionsTab allUserGroups={allUserGroups} isMobile={isMobile} onIF={onIF} onIB={onIB} />}
           </div>
+        </form>
 
         {/* Mobile footer — fixed, hidden when any input is focused (keyboard open) */}
         {isMobile && !inputFocused && (

frontend/src/pages/UserManagerPage.jsx

@@ -621,6 +621,9 @@ export default function UserManagerPage({ isMobile = false, onProfile, onHelp, o
         )}
 
         {/* Content */}
+        {/* form wrapper suppresses Chrome Android's autofill chip bar; autoComplete="off"
+            on individual inputs is ignored by Chrome but respected on the form element */}
+        <form autoComplete="off" onSubmit={e => e.preventDefault()}>
           <div style={{ flex:1, display:'flex', flexDirection:'column', overflow:'hidden', minHeight:0, background:'var(--background)' }}>
 
             {/* LIST VIEW */}
@@ -677,6 +680,7 @@ export default function UserManagerPage({ isMobile = false, onProfile, onHelp, o
             </div>
           )}
         </div>
+        </form>
 
         {/* Mobile footer — fixed, hidden when keyboard is up */}
         {isMobile && !inputFocused && (