fix: smooth habit row edge and add hide completed

frontend/src/style.css

@@ -11,7 +11,7 @@ main{min-width:0;padding:27px 34px 50px;overflow:auto;background:linear-gradient
 @media(max-width:930px){.shell{height:100dvh;display:block;overflow:auto}.sidebar{position:fixed;z-index:50;display:flex;top:0;bottom:0;transition:transform .22s ease;box-shadow:var(--shadow);left:0;width:min(300px,86vw);transform:translateX(-105%)}.sidebar.open{transform:none}.detail{position:fixed;z-index:40;display:block;left:0;right:0;top:auto;bottom:0;width:100%;max-height:min(88dvh,760px);overflow:auto;background:#fffdf8;border:1px solid var(--line);border-bottom:0;border-radius:22px 22px 0 0;box-shadow:0 -14px 38px rgba(56,40,24,.2);transform:translateY(105%);transition:transform .22s ease;padding-bottom:max(16px,env(safe-area-inset-bottom))}.detail.open{transform:none}.detail-head{position:sticky;z-index:2;top:0;height:62px;background:#fffdf8;border-bottom:1px solid var(--line);padding:0 18px}.detail-head .icon{display:grid;width:42px;height:42px;background:var(--accent-soft);color:var(--accent);border-radius:50%}.detail-form{padding:18px}.detail-title textarea{font-size:21px}.more-mask{position:fixed;z-index:45;inset:0;background:rgba(45,38,31,.32);display:flex;align-items:flex-end}.more-sheet{width:100%;background:#fffdf8;border-radius:22px 22px 0 0;padding:14px 16px max(22px,env(safe-area-inset-bottom));display:grid;gap:6px}.more-sheet-head{display:flex;align-items:center;justify-content:space-between;padding:2px 4px 8px}.more-sheet>button{display:flex;align-items:center;gap:12px;border:0;background:#fff;padding:13px;border-radius:12px;text-align:left}.scrim{position:fixed;z-index:35;inset:0;background:rgba(45,38,31,.32);display:block}.mobile-only{display:grid}main{min-height:100dvh;padding:20px 17px 112px}.topbar h1{font-size:24px;margin:0 0 17px}.search{width:auto;margin-bottom:13px;padding:8px}.search input{width:90px}.search kbd{display:none}.row-actions{position:static;opacity:1;pointer-events:auto}.row-actions button{padding:7px;min-height:34px}.list-row{padding:6px 4px}.archived-row{padding:9px 7px;border:1px dashed #e0cfae;border-radius:8px;color:#8a6d3b;background:#fbf3e2}.archived-row .list-row-main{padding-left:14px}.archived-row .list-row-main>svg{color:#c9a45c}.bottom{display:flex;position:fixed;z-index:15;left:0;right:0;bottom:0;justify-content:space-around;background:rgba(255,253,248,.96);border-top:1px solid var(--line);padding:8px 5px max(8px,env(safe-area-inset-bottom));box-shadow:0 -5px 18px rgba(79,59,34,.06)}.bottom button{min-height:44px;min-width:60px;border:0;background:transparent;color:#81786d;display:grid;place-items:center;gap:2px;font-size:10px}.bottom button.active{color:var(--accent);font-weight:700}.bottom svg{width:20px}.toast,.error-toast{bottom:142px}.task-row{padding-inline:2px}.subtask{padding-left:35px}.ghost{opacity:.45}}
 .mvp-view{display:grid;gap:16px;padding-bottom:36px}.view-intro{display:flex;align-items:end;justify-content:space-between;border-bottom:1px dashed var(--line);padding-bottom:12px}.view-intro h2{margin:2px 0 0;font-size:22px}.view-intro small,.view-intro>span{color:var(--muted);font-size:12px}.tool-card,.empty-panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;box-shadow:0 3px 14px rgba(81,61,38,.05)}.soft-button,.primary-small,.danger-button,.file-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 11px;font-size:12px}.soft-button svg,.file-button svg{width:15px}.primary-small{background:var(--accent);border-color:var(--accent);color:#fff}.danger-button{color:var(--danger);border-color:#e5b7ad}.habit-list{display:grid;gap:10px}.tool-card h3{margin:0 0 4px}
 
-.habit-row{border-left:0;--swipe-x:0px;display:flex;align-items:center;gap:8px;background:#fff;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);border-radius:14px;padding:5px 5px 5px 12px;box-shadow:0 3px 14px rgba(81,61,38,.05);transition:border-color .15s,box-shadow .15s,transform .18s ease;position:relative;overflow:hidden;isolation:isolate}
+.habit-row{border:0;--swipe-x:0px;display:flex;align-items:center;gap:8px;background:#fff;border-radius:14px;padding:5px 5px 5px 12px;box-shadow:0 0 0 1px rgba(231,221,204,.72),0 3px 14px rgba(81,61,38,.05);transition:box-shadow .15s,transform .18s ease;position:relative;overflow:hidden;isolation:isolate}
 .habit-row.done{background:#fffaf5}
 .habit-row.swipeable{touch-action:pan-y;transform:translateX(var(--swipe-x))}
 .habit-row.swipeable:not([style*="0px"]){transition:none}
@@ -23,7 +23,7 @@ main{min-width:0;padding:27px 34px 50px;overflow:auto;background:linear-gradient
 .habit-row .icon.ghost:hover{color:var(--danger)}
 .numeric-habit>span:first-child{display:grid;gap:3px}.numeric-habit small{font-size:11px;color:var(--muted)}
 .numeric-action{display:flex;gap:6px;align-items:center}.numeric-action input{width:74px;border:1px solid var(--line);border-radius:8px;padding:7px;background:#fff}.numeric-action .soft-button{min-height:44px;padding:9px 12px}
-.habit-row>.icon.ghost{width:44px;height:44px;flex:0 0 44px}.habit-check{margin-left:-4px}.habit-row.done .habit-check .task-check-mark{background:#71856b;border-color:#71856b;color:#fff}
+.habit-row>.icon.ghost{width:44px;height:44px;flex:0 0 44px}.habit-check{margin-left:-4px}.habit-row.done .habit-check .task-check-mark{background:#71856b;border-color:#71856b;color:#fff}.habit-toolbar{display:flex;align-items:center;gap:12px;justify-content:flex-end;color:var(--muted);font-size:12px}.habit-toolbar label{display:inline-flex;align-items:center;gap:6px}.habit-toolbar input{margin:0}.habit-toolbar-today{justify-content:flex-start;margin:0 0 2px 2px}
 .empty-panel{text-align:center;color:var(--muted)}
 .settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.tool-card{display:flex;flex-direction:column;align-items:flex-start;gap:10px}.tool-card>svg{color:var(--accent);width:25px;height:25px}.tool-card p{margin:0;color:var(--muted);font-size:13px}.tool-card.wide{grid-column:1/-1}.file-button input{display:none}.tool-card pre{width:100%;max-height:180px;overflow:auto;background:#f8f3e8;padding:10px;border-radius:8px;font-size:10px}.session-row,.audit-row{width:100%;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding:9px 0}.session-row span{display:grid}.session-row small,.audit-row small{color:var(--muted);font-size:11px}.inline-error{padding:9px;border-radius:8px;color:var(--danger);background:#fff0ed}.settings.active{background:var(--accent-soft);color:#b7421e;font-weight:700}
 @media(max-width:800px){.settings-grid{grid-template-columns:1fr}.tool-card.wide{grid-column:auto}.habit-row{padding:5px 4px 5px 8px}.habit-main{padding:10px 2px}.numeric-action input{width:62px}}