feat(dashboard): show top 5 most used commands as clickable chips

Top commands (excluding ls/cd/pwd/clear/exit/history) displayed as
large chips with usage count. Click to copy. Full history below.

💘 Generated with Crush

Assisted-by: GLM-5.1 via Crush <crush@charm.land>

web/src/components/Dashboard.jsx

@@ -92,6 +92,21 @@ export default function Dashboard({ api, refreshRef }) {
   const minimax = (quota || []).find(p => p.name === 'minimax')
   const zai = (quota || []).find(p => p.name === 'zai')
 
+  const EXCLUDE_CMDS = ['ls', 'cd', 'pwd', 'clear', 'exit', 'history']
+
+  const topCmds = (() => {
+    const counts = {}
+    for (const c of recentCmds) {
+      const base = c.cmd.split(/\s+/)[0]
+      if (EXCLUDE_CMDS.includes(base) || !base) continue
+      counts[base] = (counts[base] || 0) + 1
+    }
+    return Object.entries(counts)
+      .sort((a, b) => b[1] - a[1])
+      .slice(0, 5)
+      .map(([cmd, count]) => ({ cmd, count }))
+  })()
+
   return (
     <div className="dash-grid">
       {/* CPU */}
@@ -175,6 +190,16 @@ export default function Dashboard({ api, refreshRef }) {
         <div className="dash-card-head">
           <span className="dash-label">Recent Commands</span>
         </div>
+        {topCmds.length > 0 && (
+          <div className="dash-cmd-top">
+            {topCmds.map((c, i) => (
+              <div key={i} className="dash-cmd-chip" onClick={() => navigator.clipboard.writeText(c.cmd)} title="Copier">
+                <span className="dash-cmd-chip-name">{c.cmd}</span>
+                <span className="dash-cmd-chip-count">{c.count}×</span>
+              </div>
+            ))}
+          </div>
+        )}
         <div className="dash-cmd-list">
           {recentCmds.length === 0 && <span className="dash-empty">No history</span>}
           {recentCmds.map((c, i) => (

web/src/components/Studio.jsx

@@ -300,6 +300,7 @@ export default function Studio({ api }) {
   const [contextCollapsed, setContextCollapsed] = useState(false)
   const [messagesCollapsed, setMessagesCollapsed] = useState(false)
   const messagesEnd = useRef(null)
+  const feedRef = useRef(null)
   const textareaRef = useRef(null)
   const abortRef = useRef(null)
 
@@ -587,12 +588,22 @@ export default function Studio({ api }) {
 
   return (
     <div className="studio-feed-layout">
-      <div className="studio-feed">
-        {renderMessages()}
-        {(streaming || streamThinking || loading || streamToolCalls.length > 0) && (
-          <StreamingItem content={streaming} thinking={streamThinking} toolCalls={streamToolCalls} />
-        )}
-        <div ref={messagesEnd} style={{ height: '24px' }} />
+      <div className="studio-feed-scroll-wrap">
+        <div className="studio-feed" ref={feedRef}>
+          {renderMessages()}
+          {(streaming || streamThinking || loading || streamToolCalls.length > 0) && (
+            <StreamingItem content={streaming} thinking={streamThinking} toolCalls={streamToolCalls} />
+          )}
+          <div ref={messagesEnd} style={{ height: '24px' }} />
+        </div>
+        <div className="studio-scroll-btns">
+          <button className="studio-scroll-btn" onClick={() => feedRef.current?.scrollTo({ top: 0, behavior: 'smooth' })} title="Remonter">
+            <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2"><path d="M18 15l-6-6-6 6"/></svg>
+          </button>
+          <button className="studio-scroll-btn" onClick={() => messagesEnd.current?.scrollIntoView({ behavior: 'smooth' })} title="Descendre">
+            <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2"><path d="M6 9l6 6 6-6"/></svg>
+          </button>
+        </div>
       </div>
 
       <div className="studio-input-area">

web/src/styles/global.css

@@ -155,6 +155,7 @@ input::placeholder { color: var(--text-disabled); }
 .header-clock { font-family: var(--font-mono); font-size: 12px; color: var(--accent); font-weight: 600; }
 
 .content { flex: 1; overflow: hidden; position: relative; }
+.content > div { height: 100%; }
 .tab-hidden { display: none; }
 
 .statusbar {
@@ -594,6 +595,7 @@ input::placeholder { color: var(--text-disabled); }
 .dash-grid {
   display: grid;
   grid-template-columns: repeat(3, 1fr);
+  grid-template-rows: repeat(2, 1fr);
   gap: 12px;
   padding: 16px;
   height: 100%;
@@ -684,6 +686,17 @@ input::placeholder { color: var(--text-disabled); }
   flex: 1; min-width: 0;
 }
 
+.dash-cmd-top { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
+.dash-cmd-chip {
+  display: flex; align-items: center; gap: 6px;
+  padding: 6px 12px; border-radius: var(--radius);
+  background: var(--bg-surface); border: 1px solid var(--border);
+  cursor: pointer; transition: all 0.15s;
+}
+.dash-cmd-chip:hover { border-color: var(--accent-dim); background: var(--accent-bg); }
+.dash-cmd-chip-name { font-size: 13px; font-weight: 700; font-family: var(--font-mono); color: var(--text-primary); }
+.dash-cmd-chip-count { font-size: 10px; font-family: var(--font-mono); color: var(--accent); }
+
 /* Services */
 .dash-services { display: flex; flex-direction: column; gap: 6px; }
 .dash-svc-row {
@@ -763,7 +776,17 @@ input::placeholder { color: var(--text-disabled); }
 
 /* ── Studio Feed ── */
 .studio-feed-layout { display: flex; flex-direction: column; height: 100%; overflow: hidden; }
-.studio-feed { flex: 1; overflow-y: auto; padding: 20px 24px; display: flex; flex-direction: column; gap: 4px; }
+.studio-feed-scroll-wrap { flex: 1; position: relative; overflow: hidden; }
+.studio-feed { height: 100%; overflow-y: auto; padding: 20px 24px; display: flex; flex-direction: column; gap: 4px; }
+.studio-scroll-btns { position: absolute; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 4px; z-index: 10; }
+.studio-scroll-btn {
+  width: 32px; height: 32px; border-radius: 50%; padding: 0;
+  display: flex; align-items: center; justify-content: center;
+  background: var(--bg-card); border: 1px solid var(--border);
+  color: var(--text-tertiary); cursor: pointer; transition: all 0.15s;
+  opacity: 0.7;
+}
+.studio-scroll-btn:hover { background: var(--accent-bg); color: var(--accent); border-color: var(--accent-dim); opacity: 1; }
 .feed-loading { display: flex; align-items: center; justify-content: center; padding: 60px 0; }
 .feed-item { display: flex; gap: 10px; padding: 8px 12px; border-radius: var(--radius); animation: fadeIn 0.15s ease-out; }
 .feed-item:hover { background: var(--bg-card); }