fix(web): make unavailable organize targets explicit

apps/web/app/components/organize-wizard/organize-wizard.tsx

@@ -321,7 +321,19 @@ export function OrganizeWizard({ source, onClose }: { source: OrganizeSource; on
     Number.isFinite(Number(minMb)) &&
     Number(minMb) >= 0 &&
     Number.isSafeInteger(Math.round(Number(minMb) * MIB));
+  const targetUnavailable =
+    options.target.mode === "root" &&
+    rootsQ.isSuccess &&
+    !roots.some(
+      (r) =>
+        options.target.mode === "root" &&
+        r.id === options.target.rootId &&
+        r.kind === "library" &&
+        r.writable &&
+        r.health !== "offline",
+    );
   const canPreview =
+    !targetUnavailable &&
     (!needsReview || recoveryConfirmed) &&
     !ambiguous &&
     !lookupPending &&
@@ -548,6 +560,11 @@ export function OrganizeWizard({ source, onClose }: { source: OrganizeSource; on
                   批量重新整理使用本次统一设置。要沿用各记录的洗版与文件覆写，逐条打开重新整理。
                 </p>
               ) : null}
+              {targetUnavailable ? (
+                <p role="alert" className="text-caption text-warning">
+                  原目标媒体库不可用，在高级选项中重新选择目标。
+                </p>
+              ) : null}
               {src.recovery ? (
                 <div className="space-y-2 text-caption">
                   <p className="text-muted-foreground">
@@ -580,7 +597,7 @@ export function OrganizeWizard({ source, onClose }: { source: OrganizeSource; on
                 </div>
               ) : null}
               <details
-                open={advancedOpen || ambiguous || (needsReview && !recoveryConfirmed)}
+                open={advancedOpen || ambiguous || targetUnavailable || (needsReview && !recoveryConfirmed)}
                 onToggle={(e) => setAdvancedOpen(e.currentTarget.open)}
                 className="rounded-xl border border-border p-3"
               >
@@ -769,6 +786,9 @@ export function OrganizeWizard({ source, onClose }: { source: OrganizeSource; on
                               value: "auto",
                               label: profile ? `自动 · ${profile.name}` : "自动 · 按作品类型与已有目录",
                             },
+                            ...(targetUnavailable
+                              ? [{ value: targetValue, label: "原媒体库不可用 · 重新选择", disabled: true }]
+                              : []),
                             ...libRoots.map((r) => ({ value: r.id, label: r.name })),
                             { value: "dir", label: "选择目录…" },
                           ]}
@@ -962,7 +982,19 @@ export function OrganizeWizard({ source, onClose }: { source: OrganizeSource; on
                 className="min-w-0 space-y-3 border-t border-border p-4 sm:p-5 lg:border-t-0 lg:border-l"
                 aria-label="整理预览"
               >
-                <h3 className="text-caption font-medium">整理预览</h3>
+                <div className="flex items-center justify-between gap-2">
+                  <h3 className="text-caption font-medium">整理预览</h3>
+                  <Button
+                    variant="ghost"
+                    size="sm"
+                    onClick={() => {
+                      setAdvancedOpen(true);
+                      setPreviewOpen(false);
+                    }}
+                  >
+                    修改整理选项
+                  </Button>
+                </div>
                 {notice ? <p className="text-meta text-warning">{notice}</p> : null}
                 {dry.isPending ? (
                   <p role="status" className="flex gap-2 text-caption text-muted-foreground">

apps/web/app/components/organize-wizard/step-preview.tsx

@@ -60,12 +60,11 @@ export function PreviewStatsBar({
 }) {
   return (
     <div className="flex flex-wrap items-center gap-1.5">
-      <StatusBadge>
-        {stats.groups} 组 · {stats.files} 个文件
-      </StatusBadge>
-      <StatusBadge tone={stats.executable ? "success" : "neutral"}>可执行 {stats.executable}</StatusBadge>
-      {stats.conflicts ? <StatusBadge tone="warning">冲突 {stats.conflicts}</StatusBadge> : null}
-      {stats.failed ? <StatusBadge tone="destructive">不能执行 {stats.failed}</StatusBadge> : null}
+      <span className="text-meta text-muted-foreground">
+        {stats.groups} 组 · {stats.files} 个文件 · 可执行 {stats.executable}
+      </span>
+      {stats.conflicts ? <span className="text-meta text-warning">· 冲突 {stats.conflicts}</span> : null}
+      {stats.failed ? <span className="text-meta text-destructive">· 不能执行 {stats.failed}</span> : null}
       <div className="ml-auto flex items-center gap-2 text-caption text-muted-foreground">
         <span aria-hidden>只看问题</span>
         <Switch checked={onlyProblems} onCheckedChange={onOnlyProblems} aria-label="只看问题" />