三面拆分⑫:UI 打磨 —— 补 10 枚缺失图标,蓝图改因果链,台账收成一个模块

图标注册表缺 arrow-left-right/columns/table/tag 等 10 名,用到即渲染成空 SVG —— 补齐;
蓝图四库改真箭头相连的因果链节点卡(卡即入口,删重复的入库段);
驾驶舱终态分布改五色堆叠条;运营数据收成左轨一枚「台账」,域下沉为 2-3 字短名页签
(受理→寻源→定价→议价→替代→共享,按流程序),进模块自动落首域。

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KeDBx2PHLavbURXB8LJJ7m

apps/web/src/app/gov-shell.tsx

@@ -21,6 +21,7 @@ import type { GovZone, Nav, Route } from '@web-shared/gov/gov-route.ts';
 import { SURFACE_META, SURFACE_ZONES, canSeeSurface } from '@web-shared/gov/surfaces.ts';
 import type { Surface } from '@web-shared/gov/surfaces.ts';
 import { useGovObjects, useGovTasks } from '@web-shared/gov/gov-api.ts';
+import { domainShort, sortDomains } from '@web-shared/gov/domains.ts';
 import { queryKeys } from './query.ts';
 import { BlueprintHome } from '@features/gov-blueprint';
 import { TasksHome, TaskLogPage, TaskPage, WfPage } from '@features/gov-task';
@@ -126,17 +127,19 @@ export function GovShell({ surface }: { surface: Surface }) {
     (tasks.data?.workflows ?? []).filter((w) => w.state === 'abnormal').length +
     (tasks.data?.tasks ?? []).filter((t) => t.terminal !== undefined && t.terminal !== 'released').length;
 
-  /** 台账的导航项按**已有数据域**长出来 —— 设计侧一发布新域,运营侧自动多一位 */
-  const domains = [...new Set((objects.data?.objects ?? []).map((o) => o.domain))].sort();
+  /** 台账的域页签按**已有域**长出来 —— 设计侧一发布新域,台账里自动多一个页签 */
+  const domains = sortDomains([...new Set((objects.data?.objects ?? []).map((o) => o.domain))]);
+  // 进台账没带域(左轨点进来)时落到首域 —— 页签与内容同一判定
+  const effectiveTab = zone === 'ledgers' && tab === '' ? (domains[0] ?? '') : tab;
 
   /* 面包屑:台面 › 区 › 页签 › 下钻各级 */
   const crumbs: Array<{ label: string; go?: () => void }> = [
     { label: SURFACE_META[surface].brand, go: () => goZone(zone) },
   ];
   crumbs.push({ label: meta.title, go: () => go({ zone, tab, stack: [] }) });
-  // 台账区的页签名就是域名 —— 静态表里查不到,直接用它本身
+  // 台账区的页签名就是域键 —— 静态表里查不到,呈现走人读短名
   crumbs.push({
-    label: TABS[zone].find((t) => t.key === tab)?.label ?? tab,
+    label: TABS[zone].find((t) => t.key === tab)?.label ?? (zone === 'ledgers' ? domainShort(effectiveTab) : tab),
     go: () => go({ zone, tab, stack: [] }),
   });
   stack.forEach((r, i) =>
@@ -154,24 +157,14 @@ export function GovShell({ surface }: { surface: Surface }) {
           <Ico name={surface === 'design' ? 'route' : 'gauge'} s={20} />
         </div>
         <div className="g-nav-brand">{SURFACE_META[surface].brand}</div>
-        {ZONES.filter((z) => SURFACE_ZONES[surface].includes(z.key)).map((z) =>
-          // 台账不是一个固定位,是一段**随数据域生长**的动态位 —— 每域一枚
-          z.key === 'ledgers' ? (
-            <LedgerRail
-              key={z.key}
-              domains={domains}
-              active={zone === 'ledgers' ? tab : undefined}
-              onPick={(domain) => go({ zone: 'ledgers', tab: domain, stack: [] })}
-            />
-          ) : (
-            <button key={z.key} className={'g-nav-b' + (zone === z.key ? ' on' : '')} onClick={() => goZone(z.key)}>
-              <span className="g-nav-ico">
-                <Ico name={z.icon} s={18} />
-              </span>
-              <span>{z.label}</span>
-            </button>
-          ),
-        )}
+        {ZONES.filter((z) => SURFACE_ZONES[surface].includes(z.key)).map((z) => (
+          <button key={z.key} className={'g-nav-b' + (zone === z.key ? ' on' : '')} onClick={() => goZone(z.key)}>
+            <span className="g-nav-ico">
+              <Ico name={z.icon} s={18} />
+            </span>
+            <span>{z.label}</span>
+          </button>
+        ))}
         <div className="g-nav-foot">
           <span className="g-nav-ava">{(me?.name ?? '—').slice(0, 1)}</span>
           <span>{me?.name ?? '未登录'}</span>
@@ -242,18 +235,31 @@ export function GovShell({ surface }: { surface: Surface }) {
                 </div>
               </div>
               <div className="g-tabs">
-                {TABS[zone].map((t) => (
-                  <button
-                    key={t.key}
-                    className={'g-tab' + (tab === t.key ? ' on' : '')}
-                    onClick={() => go({ zone, tab: t.key, stack: [] })}
-                  >
-                    <Ico name={t.ico} s={13} />
-                    {t.label}
-                  </button>
-                ))}
+                {zone === 'ledgers'
+                  ? // 台账的页签是**数据域**(短名 2-3 字),随发布生长 —— 设计产生运营的形状,落在页签上
+                    domains.map((d) => (
+                      <button
+                        key={d}
+                        className={'g-tab' + (effectiveTab === d ? ' on' : '')}
+                        title={`数据域 · ${d}`}
+                        onClick={() => go({ zone, tab: d, stack: [] })}
+                      >
+                        <Ico name="table" s={13} />
+                        {domainShort(d)}
+                      </button>
+                    ))
+                  : TABS[zone].map((t) => (
+                      <button
+                        key={t.key}
+                        className={'g-tab' + (tab === t.key ? ' on' : '')}
+                        onClick={() => go({ zone, tab: t.key, stack: [] })}
+                      >
+                        <Ico name={t.ico} s={13} />
+                        {t.label}
+                      </button>
+                    ))}
               </div>
-              <ZoneHome zone={zone} tab={tab} nav={nav} />
+              <ZoneHome zone={zone} tab={effectiveTab} nav={nav} />
             </>
           ) : (
             <div className="g-detail" key={`${stack.length}:${top.k}:${top.id}`}>
@@ -266,57 +272,6 @@ export function GovShell({ surface }: { surface: Surface }) {
   );
 }
 
-/**
- * 台账段 —— 左轨里唯一的**动态位**:一域一枚,随数据域发布而生长。
- *
- * 这是「设计产生运营的形状」最直观的一处:导航本身就是被设计出来的。
- */
-function LedgerRail({
-  domains,
-  active,
-  onPick,
-}: {
-  domains: readonly string[];
-  active: string | undefined;
-  onPick: (domain: string) => void;
-}) {
-  return (
-    <>
-      <div className="g-nav-brand" style={{ marginTop: 8, marginBottom: 4 }}>
-        台账
-      </div>
-      {domains.length === 0 ? (
-        <div className="g-nav-brand" style={{ fontWeight: 600, letterSpacing: 0, lineHeight: 1.5 }}>
-          随数据域
-          <br />
-          发布生长
-        </div>
-      ) : (
-        domains.map((d) => (
-          <button
-            key={d}
-            className={'g-nav-b' + (active === d ? ' on' : '')}
-            onClick={() => onPick(d)}
-            title={`台账 · ${d}`}
-          >
-            <span className="g-nav-ico">
-              <Ico name="database" s={18} />
-            </span>
-            {/* 域名是 `活动_环节` 这种复合键,60px 的轨放不下一行 —— 按下划线断行,窄字号铺开 */}
-            <span style={{ fontSize: 10, lineHeight: 1.25, wordBreak: 'break-word' }}>
-              {d.split('_').map((seg, i) => (
-                <span key={seg} style={{ display: 'block' }}>
-                  {i === 0 && d.includes('_') ? `${seg}_` : seg}
-                </span>
-              ))}
-            </span>
-          </button>
-        ))
-      )}
-    </>
-  );
-}
-
 function ZoneHome({ zone, tab, nav }: { zone: GovZone; tab: string; nav: Nav }) {
   const P = {
     // 设计中心