chore(filelib-web): 详情弹窗加删除按钮(MANAGE 专属,进回收站可恢复),删除入口不再只在右键菜单

hub/filelib-web/src/lib/GridLibraryView.svelte

@@ -515,7 +515,7 @@
 
 {#if modal === "detail" && detailNode}
   <Modal maxW={680} title="详情 · {detailNode.name}" onclose={() => (modal = null)}>
-    <OverviewPanel node={detailNode} />
+    <OverviewPanel node={detailNode} ondeleted={() => { modal = null; refresh(); }} />
   </Modal>
 {/if}
 

hub/filelib-web/src/lib/OverviewPanel.svelte

@@ -6,15 +6,32 @@
   import type { ExportJob, NodeDetail } from "./types.js";
   import Modal from "./Modal.svelte";
 
-  let { node }: { node: NodeDetail } = $props();
+  let { node, ondeleted }: { node: NodeDetail; ondeleted?: () => void } = $props();
 
   let showEditDesc = $state(false);
   let descDraft = $state("");
   let exportJob = $state<ExportJob | null>(null);
+  let deleting = $state(false);
 
   const canEdit = $derived(node.role === "MANAGE" || node.role === "EDIT");
+  const canManage = $derived(node.role === "MANAGE");
   const roleLabel = $derived(ROLE_LABEL[node.role]);
 
+  /** 删除(进回收站,可恢复;ADR-0031)。MANAGE 专属,与右键菜单同语义。 */
+  async function deleteNode(): Promise<void> {
+    if (!confirm(`删除「${node.name}」?移入回收站,可在回收站恢复。`)) return;
+    deleting = true;
+    try {
+      await api(`/database/api/nodes/${node.id}`, { method: "DELETE" });
+      toastOk("已移入回收站");
+      ondeleted?.();
+    } catch (e) {
+      toastErr(e instanceof Error ? e.message : String(e));
+    } finally {
+      deleting = false;
+    }
+  }
+
   $effect(() => {
     void node.id;
     exportJob = null;
@@ -113,6 +130,17 @@
       {/if}
     </div>
   {/if}
+
+  {#if canManage}
+    <div class="my-4 border-t border-line-soft"></div>
+
+    <div class="flex items-center justify-between">
+      <span class="quiet">删除后移入回收站,可恢复</span>
+      <button class="btn btn-danger disabled:opacity-50" onclick={deleteNode} disabled={deleting}>
+        {deleting ? "删除中…" : `删除此${node.kind === "PROJECT" ? "项目" : "文件夹"}`}
+      </button>
+    </div>
+  {/if}
 </div>
 
 {#if showEditDesc}