diff --git a/SHA256SUMS b/SHA256SUMS
index 87d2af5..45920d8 100644
--- a/SHA256SUMS
+++ b/SHA256SUMS
@@ -139,10 +139,10 @@ d7d55b06ead173b4c23a277fa39800cadfc18f1163c500e8617cfc1f4ee0dea9  pigway_frame_f
 1f77efa9acfb40872593e3b7c475d972b960cb9f21e9afb936add03c3f2dd542  pigway_frame_flow/web/features.js
 a07ea444ab4ac75ea11e1188a431b48195353b1e08f7e80f3b931e8097ea6221  pigway_frame_flow/web/i18n.js
 6385ec8b0383fa9bdbb23c4c685c8ef1afd7926fd74c8032811e647808548255  pigway_frame_flow/web/index.html
-a68b22ea3baf2a1b9d44f58d59e4bcc27017af49b852b5f76815634539c9c698  pigway_frame_flow/web/libraries.js
+3102475828fe978b7b7e9fda9cd9adfce4fc788b8a569ac8f2806ebde8333f9a  pigway_frame_flow/web/libraries.js
 0fa494a3fbd456c754bbea3f7f050be139e32e3b42b09a1ed953094087437210  pigway_frame_flow/web/logo-symbol.svg
 9dcf0419d0292efce8ead7309dc70b4afd27dd24fe82cf9e673682342650f4da  pigway_frame_flow/web/source-browser.js
-e857baff294a00e9799d2b6b5473644f836f507f4aab8044a6a99fb9f48234b1  pigway_frame_flow/web/style.css
+321f47b115653673a8403107b4ac3f3b8421feb02e4ed14e6019e686b9b5b0de  pigway_frame_flow/web/style.css
 cfc7749b96f63bd31c3c42b5c471bf756814053e847c10f3eb003417bc523d30  pigway_frame_flow/web/swagger-LICENSE
 050bc415ee7048dcd881682678f720264e7da5e373f7461d7c58c755305255f7  pigway_frame_flow/web/swagger-ui-bundle.js
 1ac324f7dcd27e4b9386b4bd6421271ec147e922a22c05ba24b11515e9aa6321  pigway_frame_flow/web/swagger-ui.css
diff --git a/pigway_frame_flow/web/libraries.js b/pigway_frame_flow/web/libraries.js
index eb975fb..1bcb2e1 100644
--- a/pigway_frame_flow/web/libraries.js
+++ b/pigway_frame_flow/web/libraries.js
@@ -41,12 +41,15 @@ async function sourceLibraryPage(epoch,sources,terminals){
  if(epoch!==state.epoch)return;
  if(libraryUI.plan&&!plans.some(p=>p.id===libraryUI.plan))libraryUI.plan=null;
  const plan=plans.find(p=>p.id===libraryUI.plan),uses=terminals.filter(t=>t.binding?.source_id===sourceId&&(!plan||t.binding.plan_id===plan.id));
- panel.innerHTML=`<section class="card"><div class="library-source-toolbar"><div class="field"><label for="library-source">${tr('来源图库','Source library')}</label><select id="library-source">${librarySelectOptions(sources,sourceId,tr('选择来源','Choose source'))}</select></div><div class="actions"><button id="library-import">${tr('从来源选入照片','Import from source')}</button><button id="library-run">${tr('随机选入并按绑定生成','Pick once and generate bound plans')}</button><button id="library-source-settings">${tr('来源设置','Source settings')}</button><button id="library-legacy">${tr('历史本地成品','Legacy local images')}</button></div></div><p class="hint">${tr('源画面先保存到本地；同一张照片按不同方案生成版本，多个终端可共用一份版本。Photos 画面可能是源预览。','Source pixels are stored locally first. Plans create versions of the same photo; terminals may share one version. Photos may supply source previews.')}</p><div class="library-plan-toolbar"><div class="tabs gallery-tabs library-plan-tabs"><button data-library-plan="" class="${!plan?'active':''}">${tr('源画面','Source pixels')}</button>${plans.map(p=>`<button data-library-plan="${esc(p.id)}" class="${p.id===plan?.id?'active':''}">${esc(p.name)}${p.archived?tr('（已归档）',' (archived)'):''}</button>`).join('')}</div><div class="actions"><button id="library-new-plan">${tr('新增生成方案','New generation plan')}</button>${plan&&!plan.archived?`<button id="library-edit-plan">${t('edit')}</button><button id="library-delete-plan" class="danger">${tr('删除方案','Delete plan')}</button>`:''}</div></div><p class="hint">${tr('使用终端：','Used by: ')}${uses.map(terminalLabel).map(esc).join('、')||tr('尚未绑定','No terminals bound')}</p></section><div class="gallery source-library-gallery">${page.items.map((picture,i)=>{
+ panel.innerHTML=`<section class="card library-source-controls"><div class="library-source-toolbar"><div class="field"><label for="library-source">${tr('来源图库','Source library')}</label><select id="library-source">${librarySelectOptions(sources,sourceId,tr('选择来源','Choose source'))}</select></div><div class="actions"><button id="library-import">${tr('从来源选入照片','Import from source')}</button><button id="library-run">${tr('随机选入并按绑定生成','Pick once and generate bound plans')}</button><button id="library-source-settings">${tr('来源设置','Source settings')}</button><button id="library-legacy">${tr('历史本地成品','Legacy local images')}</button></div></div><p class="hint">${tr('源画面先保存到本地；同一张照片按不同方案生成版本，多个终端可共用一份版本。Photos 画面可能是源预览。','Source pixels are stored locally first. Plans create versions of the same photo; terminals may share one version. Photos may supply source previews.')}</p></section><section class="card library-output-panel"><div class="library-plan-toolbar"><div class="tabs gallery-tabs library-plan-tabs" role="tablist" aria-label="${tr('源画面与生成方案','Source pixels and generation plans')}"><button id="library-plan-tab-source" role="tab" aria-controls="library-plan-content" aria-selected="${!plan}" tabindex="${!plan?0:-1}" data-library-plan="" class="${!plan?'active':''}">${tr('源画面','Source pixels')}</button>${plans.map(p=>`<button id="library-plan-tab-${esc(p.id)}" role="tab" aria-controls="library-plan-content" aria-selected="${p.id===plan?.id}" tabindex="${p.id===plan?.id?0:-1}" data-library-plan="${esc(p.id)}" class="${p.id===plan?.id?'active':''}">${esc(p.name)}${p.archived?tr('（已归档）',' (archived)'):''}</button>`).join('')}</div><div class="actions"><button id="library-new-plan">${tr('新增生成方案','New generation plan')}</button>${plan&&!plan.archived?`<button id="library-edit-plan">${t('edit')}</button><button id="library-delete-plan" class="danger">${tr('删除方案','Delete plan')}</button>`:''}</div></div><div id="library-plan-content" role="tabpanel" aria-labelledby="library-plan-tab-${plan?esc(plan.id):'source'}"><p class="hint">${tr('使用终端：','Used by: ')}${uses.map(terminalLabel).map(esc).join('、')||tr('尚未绑定','No terminals bound')}</p><div class="gallery source-library-gallery">${page.items.map((picture,i)=>{
  const version=plan?picture.versions.find(v=>v.plan_id===plan.id):picture;
  return `<article class="card image-card">${version?`<button class="image-preview" data-library-preview="${i}"><img class="thumb" alt="${esc(picture.name)}" data-src="${esc(version.url)}" style="object-fit:contain;${plan?`aspect-ratio:${version.plan.width}/${version.plan.height}`:''}"></button>`:`<div class="empty">${tr('此方案尚未生成','Not generated for this plan')}</div>`}<h3>${esc(picture.name)}</h3><small>${plan?version?`${esc(version.plan.name)} · ${version.plan.width} × ${version.plan.height}`:tr('未生成','Not generated'):tr('无叠加的源画面','Source pixels without overlays')}</small><small>${esc(fmt(version?.created_at||picture.created_at))}</small>${version?.terminal_uses?.length?`<small>${version.terminal_uses.map(u=>esc(terminalLabel(terminals.find(t=>t.id===u.terminal_id)||{id:u.terminal_id}))+' · '+esc(libraryStatus(u.status))).join(' / ')}</small>`:''}<div class="actions">${version?`<button data-library-preview="${i}">${tr('预览','Preview')}</button><button data-library-download="${i}">${tr('下载图片','Download image')}</button>${plan?`<button data-library-settings="${i}">${tr('生成参数','Generation settings')}</button>`:''}`:''}${!plan?.archived?`<button data-library-generate="${i}">${plan?tr('按此方案生成','Generate this plan'):tr('生成各方案版本','Generate plan versions')}</button>`:''}${!plan?`<button data-library-star="${i}" ${picture.excluded?'disabled':''} title="${picture.excluded?esc(t('clearExclusionFirst')):''}">${t(picture.starred?'unstar':'star')}</button><button data-library-exclude="${i}" ${picture.starred?'disabled':''} title="${picture.starred?esc(t('clearStarFirst')):''}">${t(picture.excluded?'includePhoto':'excludePhoto')}</button>`:''}<button class="danger" data-library-delete="${i}" ${plan&&!version?'disabled':''}>${t('delete')}</button></div></article>`;
- }).join('')}</div>${page.items.length?'':`<section class="card empty">${tr('尚未选入源画面。先从来源选入照片，再按方案生成。旧成品保留在“历史本地成品”。','No source pixels imported yet. Import a photo, then generate its versions. Older products remain under Legacy local images.')}</section>`}<div class="actions library-pagination"><button id="library-prev" ${libraryUI.offset===0?'disabled':''}>${tr('上一页','Previous')}</button><button id="library-next" ${libraryUI.offset+30>=page.total?'disabled':''}>${tr('下一页','Next')}</button><span>${tr('共','Total')} ${page.total} ${tr('张来源照片','source pictures')}</span></div>`;
+ }).join('')}</div>${page.items.length?'':`<section class="card empty">${tr('尚未选入源画面。先从来源选入照片，再按方案生成。旧成品保留在“历史本地成品”。','No source pixels imported yet. Import a photo, then generate its versions. Older products remain under Legacy local images.')}</section>`}<div class="actions library-pagination"><button id="library-prev" ${libraryUI.offset===0?'disabled':''}>${tr('上一页','Previous')}</button><button id="library-next" ${libraryUI.offset+30>=page.total?'disabled':''}>${tr('下一页','Next')}</button><span>${tr('共','Total')} ${page.total} ${tr('张来源照片','source pictures')}</span></div></div></section>`;
  $('#library-source').onchange=()=>{libraryUI.source=$('#library-source').value;libraryUI.plan=null;libraryUI.offset=0;return navigate();};
- document.querySelectorAll('[data-library-plan]').forEach(b=>b.onclick=()=>{libraryUI.plan=b.dataset.libraryPlan||null;return navigate();});
+ document.querySelectorAll('[data-library-plan]').forEach(b=>{
+ b.onclick=()=>{libraryUI.plan=b.dataset.libraryPlan||null;return navigate();};
+ b.onkeydown=async e=>{const tabs=[...document.querySelectorAll('[data-library-plan]')],index=tabs.indexOf(b);let next;if(e.key==='ArrowRight')next=(index+1)%tabs.length;else if(e.key==='ArrowLeft')next=(index+tabs.length-1)%tabs.length;else if(e.key==='Home')next=0;else if(e.key==='End')next=tabs.length-1;else return;e.preventDefault();libraryUI.plan=tabs[next].dataset.libraryPlan||null;await navigate();document.querySelector('[data-library-plan][aria-selected="true"]')?.focus();};
+ });
  bind('library-import',()=>libraryImportDialog(sourceId));bind('library-source-settings',()=>navigate('photo-sources'));bind('library-legacy',()=>libraryLegacy('local'));
  bind('library-new-plan',()=>generationPlanEditor(sourceId,null,page.items));bind('library-edit-plan',()=>generationPlanEditor(sourceId,plan,page.items));
  bind('library-delete-plan',()=>confirmDialog(tr('删除此方案？已有生成版本保留参数快照；正在被终端使用的方案不能删除。','Delete this plan? Existing versions keep their snapshots. Bound plans cannot be deleted.'),async()=>{await api('/api/v1/generation-plans/'+plan.id,{method:'DELETE'});await navigate();}));
diff --git a/pigway_frame_flow/web/style.css b/pigway_frame_flow/web/style.css
index 5c23d84..65ad104 100644
--- a/pigway_frame_flow/web/style.css
+++ b/pigway_frame_flow/web/style.css
@@ -283,3 +283,11 @@ form#history-filters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
 .browse-folder{overflow-wrap:anywhere}
 @media(max-width:1050px){.source-browser-filters{grid-template-columns:repeat(2,minmax(0,1fr))}}
 @media(max-width:480px){.source-browser-filters{grid-template-columns:minmax(0,1fr)}}
+
+.library-source-controls>.hint:last-child{margin-bottom:0}
+.library-output-panel{margin-top:20px}
+.library-output-panel>.library-plan-toolbar{border-bottom:1px solid var(--border);padding-bottom:12px;margin-bottom:14px}
+.library-output-panel .library-plan-tabs{background:transparent;padding:0;border-radius:0;gap:6px}
+.library-output-panel .library-plan-tabs button{border-radius:8px 8px 0 0;border-bottom:2px solid transparent}
+.library-output-panel .library-plan-tabs button.active{border-bottom-color:var(--accent)}
+.library-output-panel .library-pagination{margin-bottom:0}