Merge pull request 'Trees list: inline visibility selector (private/unlisted/public)' (#41) from tree-visibility-control into main

frontend/app/trees/page.tsx

@@ -53,6 +53,15 @@ export default function TreesPage() {
     await api.POST("/api/v1/trees/{tree_id}/restore", { params: { path: { tree_id: id } } });
     load();
   }
+  // Optimistic visibility change so the dropdown reflects the pick immediately.
+  async function setVisibility(id: string, visibility: NonNullable<Tree["visibility"]>) {
+    setTrees((cur) => cur.map((t) => (t.id === id ? { ...t, visibility } : t)));
+    await api.PATCH("/api/v1/trees/{tree_id}", {
+      params: { path: { tree_id: id } },
+      body: { visibility },
+    });
+    load();
+  }
 
   if (!ready) return <p className="text-[var(--muted)]">Loading…</p>;
 
@@ -76,16 +85,26 @@ export default function TreesPage() {
           {trees.map((tree) => (
             <li key={tree.id}>
               <Card className="transition-colors hover:border-bronze/50">
-                <CardContent className="flex items-center justify-between p-4">
+                <CardContent className="flex items-center justify-between gap-3 p-4">
                   <Link href={`/trees/${tree.id}/tree`} className="min-w-0 flex-1">
                     <div className="truncate font-medium">{tree.name}</div>
-                    <div className="text-xs uppercase tracking-wide text-bronze">
-                      {tree.visibility}
-                    </div>
                   </Link>
+                  <select
+                    value={tree.visibility ?? "private"}
+                    onChange={(e) =>
+                      setVisibility(tree.id, e.target.value as NonNullable<Tree["visibility"]>)
+                    }
+                    aria-label="Tree visibility"
+                    title="Who can see this tree. Living people stay protected even when public."
+                    className="rounded-md border border-[var(--border)] bg-[var(--surface)] px-2 py-1 text-xs uppercase tracking-wide text-bronze focus-visible:border-bronze focus-visible:outline-none"
+                  >
+                    <option value="private">Private</option>
+                    <option value="unlisted">Unlisted</option>
+                    <option value="public">Public</option>
+                  </select>
                   <button
                     onClick={() => remove(tree.id)}
-                    className="ml-3 text-[var(--muted)] hover:text-bronze"
+                    className="text-[var(--muted)] hover:text-bronze"
                     aria-label="Delete tree"
                   >
                     ×