web: group the line card rows by direction so each agent pair is named once

web/display/src/LineStrips.tsx

@@ -62,68 +62,42 @@ export function LineStrips({ lineId, dialer, listener, range, m }: Props) {
   const lossDown = col('loss.down')
   const retransUp = col('tcp.retrans.up')
   const retransDown = col('tcp.retrans.down')
-  const up = m['loss.up']
-  const down = m['loss.down']
-  const upText = up === null || up === undefined ? '丢包 —' : `${fmtPct(up)} 丢包`
-  const downText = down === null || down === undefined ? '丢包 —' : `${fmtPct(down)} 丢包`
-  const retransUpValue = m['tcp.retrans.up']
-  const retransDownValue = m['tcp.retrans.down']
+  const lossText = (v: number | null | undefined) => (v === null || v === undefined ? '丢包 —' : `${fmtPct(v)} 丢包`)
   const retransText = (v: number | null | undefined) => (v === null || v === undefined ? '重传 —' : `${fmtPct(v)} 重传`)
+  const cellsOf = (values: (number | null)[]) => (s ? values : Array.from({ length: common.cells }, () => null))
+  // 一个方向下的一行：协议名、数值徽标和质量点阵。
+  const row = (id: string, proto: string, label: string, value: number | null | undefined, text: string, values: (number | null)[]) => (
+    <div className="line-mini-row" key={id}>
+      <div className="line-mini-direction-head" title={`${proto} ${label}`}>
+        <span>{proto}</span>
+        <span className={`line-mini-badge ${levelOf(value)}`}>{text}</span>
+      </div>
+      <div className="bars" role="img" aria-label={`近 ${common.hoursText}每 ${common.stepText}的 ${proto} ${label}`}>
+        {cellsOf(values).map((v, i) => (
+          <span key={`${id}-${t[i] ?? i}`} className={`bar ${s ? levelOf(v) : 'none'}${hover === i ? ' on' : ''}`} />
+        ))}
+      </div>
+    </div>
+  )
   return (
     <div className="strips" ref={box} onMouseMove={onMove} onMouseLeave={() => setHover(null)}>
       <div className="line-mini-stack">
-        <div className="line-mini-quic-head" title={`QUIC RTT p50 ${fmtMs(m['rtt.p50'])} · p95 ${fmtMs(m['rtt.p95'])} · p99 ${fmtMs(m['rtt.p99'])}`}>
-          <span>QUIC RTT ⇄</span><strong className="num">{fmtMs(m['rtt.p50'])}</strong><small>悬停看 p95 / p99</small>
+        <div className="line-mini-quic-head" title={`RTT 是往返。QUIC p50 ${fmtMs(m['rtt.p50'])} · p95 ${fmtMs(m['rtt.p95'])} · p99 ${fmtMs(m['rtt.p99'])}；TCP p50 ${fmtMs(m['tcp.rtt.p50'])}`}>
+          <span>RTT ⇄</span>
+          <span className="line-mini-rtt">QUIC <strong className="num">{fmtMs(m['rtt.p50'])}</strong></span>
+          <span className="line-mini-rtt">TCP <strong className="num">{fmtMs(m['tcp.rtt.p50'])}</strong></span>
+          <small>悬停看 p95 / p99</small>
           {series.error ? <span className="line-mini-badge bad" title={`上一次取数失败：${series.error.message}`}>数据未更新</span> : null}
         </div>
         <div className="line-mini-direction">
-          <div className="line-mini-direction-head" title={`去程 拨号方 → 监听方 丢包 ${fmtPct(up)}`}>
-            <span className="line-mini-direction-name" title={`去程：${dialer} → ${listener}`}>{dialer} → {listener}</span>
-            <span className={`line-mini-badge ${levelOf(up)}`}>{upText}</span>
-          </div>
-          <div className="bars" role="img" aria-label={`近 ${common.hoursText}每 ${common.stepText}的去程丢包`}>
-            {(s ? lossUp : Array.from({ length: common.cells }, () => null)).map((value, i) => (
-              <span key={`up-${t[i] ?? i}`} className={`bar ${s ? levelOf(value) : 'none'}${hover === i ? ' on' : ''}`} />
-            ))}
-          </div>
+          <div className="line-mini-route" title={`去程：${dialer} → ${listener}`}>{dialer} → {listener}</div>
+          {row('up-quic', 'QUIC', '去程丢包', m['loss.up'], lossText(m['loss.up']), lossUp)}
+          {row('up-tcp', 'TCP', '去程重传', m['tcp.retrans.up'], retransText(m['tcp.retrans.up']), retransUp)}
         </div>
         <div className="line-mini-direction">
-          <div className="line-mini-direction-head" title={`回程 监听方 → 拨号方 丢包 ${fmtPct(down)}`}>
-            <span className="line-mini-direction-name" title={`回程：${listener} → ${dialer}`}>{listener} → {dialer}</span>
-            <span className={`line-mini-badge ${levelOf(down)}`}>{downText}</span>
-          </div>
-          <div className="bars" role="img" aria-label={`近 ${common.hoursText}每 ${common.stepText}的回程丢包`}>
-            {(s ? lossDown : Array.from({ length: common.cells }, () => null)).map((value, i) => (
-              <span key={`down-${t[i] ?? i}`} className={`bar ${s ? levelOf(value) : 'none'}${hover === i ? ' on' : ''}`} />
-            ))}
-          </div>
-        </div>
-        <div className="line-mini-tcp">
-          <div className="line-mini-tcp-head" title={`TCP RTT p50 ${fmtMs(m['tcp.rtt.p50'])}`}>
-            <span>TCP RTT ⇄</span><strong className="num">{fmtMs(m['tcp.rtt.p50'])}</strong>
-          </div>
-        </div>
-        <div className="line-mini-direction">
-          <div className="line-mini-direction-head" title={`TCP 去程 拨号方 → 监听方 重传 ${fmtPct(retransUpValue)}`}>
-            <span className="line-mini-direction-name" title={`去程：${dialer} → ${listener}`}>{dialer} → {listener}</span>
-            <span className={`line-mini-badge ${levelOf(retransUpValue)}`}>{retransText(retransUpValue)}</span>
-          </div>
-          <div className="bars" role="img" aria-label={`近 ${common.hoursText}每 ${common.stepText}的 TCP 去程重传`}>
-            {(s ? retransUp : Array.from({ length: common.cells }, () => null)).map((value, i) => (
-              <span key={`retrans-up-${t[i] ?? i}`} className={`bar ${s ? levelOf(value) : 'none'}${hover === i ? ' on' : ''}`} />
-            ))}
-          </div>
-        </div>
-        <div className="line-mini-direction">
-          <div className="line-mini-direction-head" title={`TCP 回程 监听方 → 拨号方 重传 ${fmtPct(retransDownValue)}`}>
-            <span className="line-mini-direction-name" title={`回程：${listener} → ${dialer}`}>{listener} → {dialer}</span>
-            <span className={`line-mini-badge ${levelOf(retransDownValue)}`}>{retransText(retransDownValue)}</span>
-          </div>
-          <div className="bars" role="img" aria-label={`近 ${common.hoursText}每 ${common.stepText}的 TCP 回程重传`}>
-            {(s ? retransDown : Array.from({ length: common.cells }, () => null)).map((value, i) => (
-              <span key={`retrans-down-${t[i] ?? i}`} className={`bar ${s ? levelOf(value) : 'none'}${hover === i ? ' on' : ''}`} />
-            ))}
-          </div>
+          <div className="line-mini-route" title={`回程：${listener} → ${dialer}`}>{listener} → {dialer}</div>
+          {row('down-quic', 'QUIC', '回程丢包', m['loss.down'], lossText(m['loss.down']), lossDown)}
+          {row('down-tcp', 'TCP', '回程重传', m['tcp.retrans.down'], retransText(m['tcp.retrans.down']), retransDown)}
         </div>
       </div>
       <div className={`pop num${hover !== null && at !== null ? ' open' : ''}`} role="tooltip" aria-hidden={hover === null}>

web/display/src/display.css

@@ -1388,15 +1388,13 @@
 }
 
 .line-mini-quic-head > span,
-.line-mini-direction-head > span:first-child,
-.line-mini-tcp-head > span:first-child {
+.line-mini-direction-head > span:first-child {
   color: var(--app-ink-muted);
   font-size: 10px;
   font-weight: 600;
 }
 
-.line-mini-quic-head > strong,
-.line-mini-tcp-head > strong {
+.line-mini-quic-head strong {
   color: var(--app-ink);
   font-size: 14px;
   font-weight: 700;
@@ -1410,15 +1408,13 @@
   white-space: nowrap;
 }
 
-.line-mini-direction,
-.line-mini-tcp {
+.line-mini-direction {
   display: grid;
   gap: 3px;
   min-width: 0;
 }
 
-.line-mini-direction-head,
-.line-mini-tcp-head {
+.line-mini-direction-head {
   display: flex;
   align-items: baseline;
   gap: 6px;
@@ -1426,33 +1422,43 @@
   line-height: 1.25;
 }
 
-.line-mini-direction-head > span:first-child,
-.line-mini-tcp-head > span:first-child {
+.line-mini-direction-head > span:first-child {
   font-weight: 500;
   white-space: nowrap;
 }
 
-.line-mini-direction-head .line-mini-badge,
-.line-mini-tcp-head .line-mini-badge {
+.line-mini-direction-head .line-mini-badge {
   margin-left: auto;
 }
 
-.line-mini-direction-head > .line-mini-direction-name {
+.line-mini-route {
   min-width: 0;
   overflow: hidden;
+  color: var(--app-ink);
+  font-size: 11px;
+  font-weight: 600;
   text-overflow: ellipsis;
+  white-space: nowrap;
 }
 
-.line-mini-tcp {
+.line-mini-row {
+  display: grid;
+  gap: 3px;
+  min-width: 0;
+}
+
+.line-mini-rtt {
+  display: inline-flex;
+  align-items: baseline;
+  gap: 4px;
+}
+
+.line-mini-direction + .line-mini-direction {
   margin-top: 2px;
   padding-top: 5px;
   border-top: 1px solid var(--app-outline-soft);
 }
 
-.line-mini-tcp-head > strong {
-  font-size: 12px;
-}
-
 .line-mini-badge {
   display: inline-flex;
   align-items: center;