diff --git a/src/main/mobile/lan-mobile-bridge.ts b/src/main/mobile/lan-mobile-bridge.ts
index d4eed6c4..ff256d9f 100644
--- a/src/main/mobile/lan-mobile-bridge.ts
+++ b/src/main/mobile/lan-mobile-bridge.ts
@@ -11,6 +11,7 @@ const PAIRING_TTL_MS = 5 * 60 * 1000
 
 const RPC_ALLOWLIST = new Set([
   'workspace.list',
+  'workspace.archiveSession',
   'session.list',
   'session.history',
   'session.create',
diff --git a/src/main/mobile/lan-mobile-pages.ts b/src/main/mobile/lan-mobile-pages.ts
index b3d461cf..b54aa653 100644
--- a/src/main/mobile/lan-mobile-pages.ts
+++ b/src/main/mobile/lan-mobile-pages.ts
@@ -23,7 +23,7 @@ export function renderMobilePage({ locale }: MobilePageOptions): string {
     header{height:52px;display:flex;flex:none;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:0 4px}.brand{font-size:15px;font-weight:600;display:flex;align-items:center;gap:8px}.brand img{width:35px;height:20px;object-fit:contain}.brand .dark-logo{display:none}@media(prefers-color-scheme:dark){.brand .light-logo{display:none}.brand .dark-logo{display:block}}.status{width:8px;height:8px;border-radius:50%;background:#35a867;box-shadow:0 0 0 0 rgba(53,168,103,.42);animation:connectedPulse 1.8s ease-out infinite}.status.connecting{background:var(--muted);animation:none}.status.error-state{background:#e34d59;animation:none}@keyframes connectedPulse{70%{box-shadow:0 0 0 7px rgba(53,168,103,0)}100%{box-shadow:0 0 0 0 rgba(53,168,103,0)}}
     .view{display:none;min-height:0}.view.active{display:flex;flex:1;flex-direction:column}.toolbar{display:flex;flex:none;gap:8px;align-items:center;padding:12px 0}.toolbar select{flex:1;min-width:0}.session-actions{display:flex;gap:7px;padding:12px 0 6px}.session-actions select{flex:1;min-width:0;height:40px}.icon-button{display:grid;place-items:center;width:40px;height:40px;padding:0}.icon-button.refreshing svg{animation:spin .65s linear infinite}.new-session{height:40px;flex:none;font-weight:500;padding:7px 11px;border-radius:10px}.new-session:disabled{cursor:default;opacity:.45}.workspace-hint{color:var(--muted);font-size:12px;line-height:1.4;padding:4px 10px 10px}.workspace-hint[hidden]{display:none}.chat-toolbar{border-bottom:1px solid var(--line);padding:8px 0;min-height:50px}.back{flex:none;border:none!important;padding-left:4px!important;font-weight:500}.back svg{vertical-align:-2px;margin-right:4px}.chat-title{min-width:0;flex:1;text-align:center;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding-right:52px}
     select,button,textarea{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:10px;padding:10px 12px}button{cursor:pointer}button:hover{background:var(--hover)}button.primary{display:grid;place-items:center;flex:none;background:var(--brand);color:white;border-color:var(--brand);border-radius:50%;width:42px;height:42px;padding:0}button.quiet{background:transparent}
-    .list{display:grid;align-content:start;gap:2px;overflow-y:auto;padding:2px 0 12px}.row{width:100%;display:flex;align-items:center;gap:12px;text-align:left;background:transparent;border:0;border-radius:9px;padding:11px 12px}.row:hover,.row:active{background:var(--hover)}.row strong{display:block;min-width:0;flex:1;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.row time{flex:none;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}
+    .list{display:grid;align-content:start;gap:2px;overflow-y:auto;padding:2px 0 12px}.row{width:100%;display:flex;align-items:center;gap:12px;text-align:left;background:transparent;border:0;border-radius:9px;padding:11px 12px;cursor:pointer}.row:hover,.row:active{background:var(--hover)}.row strong{display:block;min-width:0;flex:1;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.row time{flex:none;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}.row .archive-btn{flex:none;width:30px;height:30px;padding:0;display:grid;place-items:center;background:transparent;border:0;border-radius:6px;color:var(--muted);cursor:pointer}.row .archive-btn:hover,.row .archive-btn:focus{background:var(--hover);color:var(--ink)}
     .empty{padding:56px 14px;text-align:center;color:var(--muted)}.messages{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:0;padding:18px 4px}.message{max-width:100%;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--ink);line-height:1.65}.message.user{align-self:flex-end;max-width:82%;background:var(--hover);border-radius:22px;padding:9px 15px;margin:8px 0 14px}.message.assistant{align-self:stretch;padding:0 4px;margin:0}.message .role{display:none}
     .markdown{white-space:normal}.markdown>*:first-child{margin-top:0}.markdown>*:last-child{margin-bottom:0}.markdown p{margin:0 0 10px}.markdown h1,.markdown h2,.markdown h3{line-height:1.3;margin:18px 0 8px}.markdown h1{font-size:22px}.markdown h2{font-size:19px}.markdown h3{font-size:16px}.markdown ul{margin:8px 0;padding-left:22px}.markdown pre{overflow:auto;background:var(--hover);border:1px solid var(--line);border-radius:10px;padding:12px;font:13px/1.55 ui-monospace,SFMono-Regular,Menlo,monospace}.markdown code{background:var(--hover);border-radius:5px;padding:2px 5px;font:13px ui-monospace,SFMono-Regular,Menlo,monospace}.markdown pre code{padding:0;background:none}.markdown a{color:var(--brand)}.table-wrap{width:100%;overflow-x:auto;margin:10px 0;-webkit-overflow-scrolling:touch}.markdown table{width:100%;min-width:420px;border-collapse:collapse;font-size:13px;line-height:1.5}.markdown th,.markdown td{padding:9px 10px;border:1px solid var(--line);text-align:left;vertical-align:top}.markdown th{background:var(--hover);font-weight:600}.thinking,.tool{border:1px solid var(--line);border-radius:8px;background:var(--card);margin:2px 0;white-space:normal}.thinking summary,.tool summary{cursor:pointer;list-style:none;padding:7px 10px;color:var(--muted);font-size:12px;line-height:20px;display:flex;align-items:center;justify-content:space-between;gap:10px}.thinking summary::-webkit-details-marker,.tool summary::-webkit-details-marker{display:none}.thinking-body,.tool-body{border-top:1px solid var(--line);padding:9px 10px;color:var(--muted);font-size:12px}.tool-name{color:var(--ink);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.tool-status.error{color:#e34d59}.tool pre{white-space:pre-wrap;overflow-wrap:anywhere;margin:6px 0 0;background:var(--hover);border-radius:7px;padding:8px}.streaming:after{content:' ';display:inline-block;width:6px;height:15px;margin-left:2px;vertical-align:-2px;background:var(--brand);animation:pulse .7s infinite alternate}
     .composer{flex:none;padding:10px 0 2px;background:var(--paper)}.composer-inner{display:flex;gap:8px;align-items:flex-end;border:1px solid var(--line);border-radius:20px;padding:8px 8px 8px 14px;background:var(--card);box-shadow:0 4px 16px rgba(0,0,0,.05)}.composer textarea{flex:1;min-height:42px;max-height:150px;resize:none;border:0;outline:0;border-radius:0;padding:10px 0;background:transparent;font-size:16px}.primary.cancel{background:var(--ink);border-color:var(--ink)}.primary[hidden]{display:none}.error{color:#e34d59;font-size:13px;margin:8px 0}.toast{position:fixed;left:50%;top:calc(64px + env(safe-area-inset-top));z-index:5;transform:translate(-50%,-8px);background:var(--ink);color:var(--paper);border-radius:999px;padding:6px 11px;font-size:12px;opacity:0;pointer-events:none;transition:.18s ease}.toast.show{opacity:1;transform:translate(-50%,0)}.loading{display:grid;gap:12px;padding:22px 4px}.skeleton{height:14px;border-radius:7px;background:var(--hover);animation:pulse 1.1s ease-in-out infinite alternate}.skeleton:nth-child(2){width:82%}.skeleton:nth-child(3){width:64%}@keyframes pulse{to{opacity:.35}}@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.skeleton,.status,.icon-button.refreshing svg{animation:none}}
@@ -46,6 +46,8 @@ export function renderMobilePage({ locale }: MobilePageOptions): string {
 <script>
 const L=${JSON.stringify({
     noSessions: zh ? '还没有会话。' : 'No sessions yet.',
+    archiveSession: zh ? '归档会话' : 'Archive session',
+    archived: zh ? '已归档' : 'Archived',
     untitled: zh ? '未命名会话' : 'Untitled session',
     failed: zh ? '请求失败' : 'Request failed',
     chooseWorkspace: zh ? '请先选择一个工作区。' : 'Choose a workspace first.',
@@ -77,8 +79,10 @@ function updateRunning(events){let running=false;for(const entry of events){cons
 async function loadWorkspaces(){const previous=$('workspace').value,value=await rpc('workspace.list');workspaces=value.items||[];if(workspaces.length){$('workspace').innerHTML=workspaces.map(w=>'<option value="'+esc(w.workspaceId)+'">'+esc(w.title||w.path)+'</option>').join('');$('workspace').value=workspaces.some(w=>w.workspaceId===previous)?previous:workspaces[0].workspaceId}else $('workspace').innerHTML='<option value="">'+L.noWorkspaces+'</option>'}
 function syncWorkspaceUi(){const selected=!!$('workspace').value;$('newSession').disabled=!selected;$('workspaceHint').hidden=selected;$('workspaceHint').textContent=selected?'':L.noWorkspaces;if(selected)$('listError').textContent=''}
 function relativeTime(value){const parsed=typeof value==='number'?value:Date.parse(value),elapsed=Math.max(0,Date.now()-(Number.isFinite(parsed)?parsed:Date.now())),minutes=Math.floor(elapsed/60000);if(minutes<1)return L.justNow;if(minutes<60)return minutes+L.minute;const hours=Math.floor(minutes/60);if(hours<24)return hours+L.hour;return Math.floor(hours/24)+L.day}
-async function loadSessions(){try{const value=await rpc('session.list',{}),wid=$('workspace').value,w=workspaces.find(x=>x.workspaceId===wid),allowed=w?new Set(w.sessionIds):new Set(),archived=new Set(value.archivedSessionIds||[]),items=(value.items||[]).filter(s=>allowed.has(s.sessionId)&&!archived.has(s.sessionId)).sort((a,b)=>b.updatedAt-a.updatedAt);$('sessions').innerHTML=!wid?'':items.length?items.map(s=>{const title=titleFor(s);return'<button class="row" data-id="'+esc(s.sessionId)+'" data-title="'+esc(title)+'"><strong>'+esc(title)+'</strong><time>'+esc(relativeTime(s.updatedAt))+'</time></button>'}).join(''):'<div class="empty">'+L.noSessions+'</div>';document.querySelectorAll('.row').forEach(b=>b.onclick=()=>openSession(b.dataset.id,b.dataset.title))}catch(e){$('listError').textContent=e.message}}
+async function loadSessions(){try{const value=await rpc('session.list',{}),wid=$('workspace').value,w=workspaces.find(x=>x.workspaceId===wid),allowed=w?new Set(w.sessionIds):new Set(),archived=new Set(value.archivedSessionIds||[]),items=(value.items||[]).filter(s=>allowed.has(s.sessionId)&&!archived.has(s.sessionId)).sort((a,b)=>b.updatedAt-a.updatedAt);$('sessions').innerHTML=!wid?'':items.length?items.map(s=>{const title=titleFor(s);return'<div class="row" data-id="'+esc(s.sessionId)+'" data-title="'+esc(title)+'"><strong>'+esc(title)+'</strong><time>'+esc(relativeTime(s.updatedAt))+'</time><button class="archive-btn" data-action="archive" aria-label="'+esc(L.archiveSession)+'" title="'+esc(L.archiveSession)+'"><svg width="16" height="16" viewBox="0 0 20 20" fill="none"><path d="M4 5h12M6 5v10a1 1 0 0 0 1 1h6a1 1 0 0 0 1-1V5M8 5V4a2 2 0 0 1 2-2h0a2 2 0 0 1 2 2v1" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/></svg></button></div>'}).join(''):'<div class="empty">'+L.noSessions+'</div>';document.querySelectorAll('.row').forEach(r=>{r.onclick=e=>{if(e.target.closest('.archive-btn'))return;openSession(r.dataset.id,r.dataset.title)}});document.querySelectorAll('.archive-btn').forEach(btn=>{btn.onclick=e=>{e.stopPropagation();const row=btn.closest('.row');if(row)archiveSession(row.dataset.id)}})}catch(e){$('listError').textContent=e.message}}
 async function createSession(){const workspaceId=$('workspace').value;if(!workspaceId){$('listError').textContent=L.chooseWorkspace;return}try{const created=await rpc('session.create',{workspaceId});await openSession(created.sessionId)}catch(e){$('listError').textContent=e.message}}
+
+async function archiveSession(sessionId){try{await rpc('workspace.archiveSession',{sessionId});await loadSessions();showToast(L.archived)}catch(e){$('listError').textContent=e.message}}
 function showToast(message){$('toast').textContent=message;$('toast').classList.add('show');clearTimeout(showToast.timer);showToast.timer=setTimeout(()=>$('toast').classList.remove('show'),1000)}
 async function refreshAll(){const button=$('refresh');button.disabled=true;button.classList.add('refreshing');try{await loadWorkspaces();syncWorkspaceUi();await loadSessions();showToast(L.refreshed)}catch(e){$('listError').textContent=e.message}finally{setTimeout(()=>{button.disabled=false;button.classList.remove('refreshing')},350)}}
 function titleFor(s){const p=s.projections&&s.projections.values||{};return p.title||p.sessionTitle||p['session.title']||L.untitled}
diff --git a/test/lan-mobile-bridge.test.ts b/test/lan-mobile-bridge.test.ts
index 491dda6d..40839ab0 100644
--- a/test/lan-mobile-bridge.test.ts
+++ b/test/lan-mobile-bridge.test.ts
@@ -119,6 +119,13 @@ describe('LAN mobile bridge pairing surface', () => {
       value: { items: [], archivedSessionIds: [] }
     })
 
+    const archiveForwarded = await fetch(`http://127.0.0.1:${snapshot.port}/api/rpc`, {
+      method: 'POST',
+      headers: { cookie, 'content-type': 'application/json' },
+      body: JSON.stringify({ method: 'workspace.archiveSession', payload: { sessionId: 'test' } })
+    })
+    expect(archiveForwarded.status).toBe(200)
+
     const sameBridge = await bridge.start()
     expect(sameBridge.port).toBe(snapshot.port)
     const stillAuthorized = await fetch(`http://127.0.0.1:${snapshot.port}/api/rpc`, {
diff --git a/test/lan-mobile-pages.test.ts b/test/lan-mobile-pages.test.ts
index a6efd437..ea0febdc 100644
--- a/test/lan-mobile-pages.test.ts
+++ b/test/lan-mobile-pages.test.ts
@@ -60,6 +60,12 @@ describe('LAN mobile page', () => {
     expect(html).toContain("status.classList.add('error-state')")
     expect(html).toContain('archived=new Set(value.archivedSessionIds||[])')
     expect(html).toContain('!archived.has(s.sessionId)')
+    expect(html).toContain('archive-btn')
+    expect(html).toContain('data-action="archive"')
+    expect(html).toContain('function archiveSession(')
+    expect(html).toContain("rpc('workspace.archiveSession'")
+    expect(html).toContain('归档会话')
+    expect(html).toContain('已归档')
   })
 
   it('uses DSH styling on both pairing surfaces', () => {