feat(accounts-ui): add history sync learning visualization

ui/src/components/account/history-sync-learning-map.tsx

@@ -0,0 +1,163 @@
+import {
+  ArrowRight,
+  ArrowRightLeft,
+  Layers3,
+  Link2,
+  Unlink,
+  Waves,
+  type LucideIcon,
+} from 'lucide-react';
+import { Badge } from '@/components/ui/badge';
+import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card';
+import { cn } from '@/lib/utils';
+
+interface HistorySyncLearningMapProps {
+  isolatedCount: number;
+  sharedStandardCount: number;
+  deeperSharedCount: number;
+  sharedGroups: string[];
+  legacyTargetCount: number;
+}
+
+type StageTone = 'isolated' | 'shared' | 'deeper';
+
+function StageCard({
+  title,
+  count,
+  icon: Icon,
+  tone,
+  description,
+}: {
+  title: string;
+  count: number;
+  icon: LucideIcon;
+  tone: StageTone;
+  description: string;
+}) {
+  const toneClasses: Record<StageTone, { card: string; icon: string; count: string }> = {
+    isolated: {
+      card: 'border-blue-300/60 bg-blue-50/40 dark:border-blue-900/40 dark:bg-blue-900/10',
+      icon: 'text-blue-700 dark:text-blue-400',
+      count: 'text-blue-700 dark:text-blue-400',
+    },
+    shared: {
+      card: 'border-emerald-300/60 bg-emerald-50/40 dark:border-emerald-900/40 dark:bg-emerald-900/10',
+      icon: 'text-emerald-700 dark:text-emerald-400',
+      count: 'text-emerald-700 dark:text-emerald-400',
+    },
+    deeper: {
+      card: 'border-indigo-300/60 bg-indigo-50/40 dark:border-indigo-900/40 dark:bg-indigo-900/10',
+      icon: 'text-indigo-700 dark:text-indigo-400',
+      count: 'text-indigo-700 dark:text-indigo-400',
+    },
+  };
+
+  return (
+    <div className={cn('rounded-md border p-3', toneClasses[tone].card)}>
+      <div className="flex items-center justify-between gap-2">
+        <p className="text-sm font-semibold">{title}</p>
+        <Icon className={cn('h-4 w-4', toneClasses[tone].icon)} />
+      </div>
+      <p className={cn('mt-1 text-2xl font-mono font-semibold', toneClasses[tone].count)}>
+        {count}
+      </p>
+      <p className="mt-1 text-xs text-muted-foreground">{description}</p>
+    </div>
+  );
+}
+
+export function HistorySyncLearningMap({
+  isolatedCount,
+  sharedStandardCount,
+  deeperSharedCount,
+  sharedGroups,
+  legacyTargetCount,
+}: HistorySyncLearningMapProps) {
+  const groupsToShow = sharedGroups.length > 0 ? sharedGroups : ['default'];
+
+  return (
+    <Card className="border-dashed">
+      <CardHeader className="pb-3">
+        <div className="flex items-center justify-between gap-2">
+          <CardTitle className="text-base">How History Sync Works</CardTitle>
+          <Badge variant="outline">Learning Map</Badge>
+        </div>
+        <CardDescription>
+          Accounts can move between modes at any time. Link/unlink is instant; Edit gives full
+          control of group and continuity depth.
+        </CardDescription>
+      </CardHeader>
+      <CardContent className="space-y-4">
+        <div className="grid gap-3 lg:grid-cols-[1fr_auto_1fr_auto_1fr] lg:items-center">
+          <StageCard
+            title="Isolated"
+            count={isolatedCount}
+            icon={Unlink}
+            tone="isolated"
+            description="No shared history with other accounts."
+          />
+          <div className="hidden lg:flex justify-center text-muted-foreground">
+            <ArrowRight className="h-4 w-4" />
+          </div>
+          <StageCard
+            title="Shared (Standard)"
+            count={sharedStandardCount}
+            icon={Link2}
+            tone="shared"
+            description="Shared project context only."
+          />
+          <div className="hidden lg:flex justify-center text-muted-foreground">
+            <ArrowRight className="h-4 w-4" />
+          </div>
+          <StageCard
+            title="Shared (Deeper)"
+            count={deeperSharedCount}
+            icon={Waves}
+            tone="deeper"
+            description="Adds continuity data: session-env/file-history/todos/shell-snapshots."
+          />
+        </div>
+
+        <div className="grid gap-3 lg:grid-cols-2">
+          <div className="rounded-md border bg-muted/20 p-3">
+            <div className="flex items-center gap-2">
+              <ArrowRightLeft className="h-4 w-4 text-muted-foreground" />
+              <p className="text-sm font-semibold">Mode Switch Actions</p>
+            </div>
+            <div className="mt-2 flex flex-wrap gap-2">
+              <Badge variant="secondary">Link: Isolated -&gt; Shared</Badge>
+              <Badge variant="secondary">Unlink: Shared -&gt; Isolated</Badge>
+              <Badge variant="secondary">Edit: Group + Deeper</Badge>
+            </div>
+          </div>
+
+          <div className="rounded-md border bg-muted/20 p-3">
+            <div className="flex items-center gap-2">
+              <Layers3 className="h-4 w-4 text-muted-foreground" />
+              <p className="text-sm font-semibold">History Sync Group</p>
+            </div>
+            <p className="mt-1 text-xs text-muted-foreground">
+              Accounts in the same group share the same project context bucket. Group names are
+              user-defined lanes, with <code>default</code> as fallback.
+            </p>
+            <div className="mt-2 flex flex-wrap gap-2">
+              {groupsToShow.map((group) => (
+                <Badge key={group} variant="outline" className="font-mono text-[11px]">
+                  {group}
+                </Badge>
+              ))}
+            </div>
+          </div>
+        </div>
+
+        {legacyTargetCount > 0 && (
+          <div className="rounded-md border border-amber-500/50 bg-amber-500/10 px-3 py-2 text-xs text-amber-800 dark:text-amber-300">
+            {legacyTargetCount} legacy account
+            {legacyTargetCount > 1 ? 's still need' : ' still needs'} explicit confirmation. Use{' '}
+            <strong>Confirm Legacy Policies</strong> in Action Center.
+          </div>
+        )}
+      </CardContent>
+    </Card>
+  );
+}

ui/src/pages/accounts.tsx

@@ -19,6 +19,7 @@ import {
 } from 'lucide-react';
 import { AccountsTable } from '@/components/account/accounts-table';
 import { CreateAuthProfileDialog } from '@/components/account/create-auth-profile-dialog';
+import { HistorySyncLearningMap } from '@/components/account/history-sync-learning-map';
 import { CopyButton } from '@/components/ui/copy-button';
 import { Button } from '@/components/ui/button';
 import { Badge } from '@/components/ui/badge';
@@ -115,6 +116,13 @@ export function AccountsPage() {
   const sharedStandardCount = data?.sharedStandardCount || 0;
   const deeperSharedCount = data?.deeperSharedCount || 0;
   const isolatedCount = data?.isolatedCount || 0;
+  const sharedGroups = Array.from(
+    new Set(
+      authAccounts
+        .filter((account) => account.context_mode === 'shared')
+        .map((account) => account.context_group || 'default')
+    )
+  ).sort((a, b) => a.localeCompare(b));
 
   const legacyTargets = authAccounts.filter(
     (account) => account.context_inferred || account.continuity_inferred
@@ -149,25 +157,10 @@ export function AccountsPage() {
                 <Plus className="w-4 h-4 mr-2" />
                 Create Account
               </Button>
-              <Button
-                variant="outline"
-                size="sm"
-                className="justify-start"
-                onClick={handleOpenClaudePool}
-              >
-                Open CLIProxy Claude Pool
-                <ArrowRight className="w-4 h-4 ml-auto" />
-              </Button>
-              <Button
-                variant="outline"
-                size="sm"
-                className="justify-start"
-                onClick={handleOpenClaudePoolAuth}
-              >
-                Authenticate Claude in Pool
-                <Zap className="w-4 h-4 ml-auto" />
-              </Button>
             </div>
+            <p className="text-[11px] text-muted-foreground">
+              Pool auth actions live in Action Center to avoid duplicate controls.
+            </p>
           </div>
 
           <ScrollArea className="flex-1">
@@ -302,6 +295,14 @@ export function AccountsPage() {
                 </Alert>
               )}
 
+              <HistorySyncLearningMap
+                isolatedCount={isolatedCount}
+                sharedStandardCount={sharedStandardCount}
+                deeperSharedCount={deeperSharedCount}
+                sharedGroups={sharedGroups}
+                legacyTargetCount={legacyTargetCount}
+              />
+
               <Card className="flex flex-col">
                 <CardHeader className="pb-3">
                   <CardTitle className="text-lg">Account Matrix</CardTitle>