feat(pages): add admin page list with drag-and-drop reorder

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

assets/js/controllers/pagelist.js

@@ -0,0 +1,63 @@
+import { Controller } from "@hotwired/stimulus"
+import { showToast } from "../services/toast";
+
+export default class PagelistController extends Controller {
+    static values = {
+        siteId: Number,
+    };
+
+    static targets = ["list"];
+
+    dragStart(ev) {
+        this.draggedRow = ev.currentTarget;
+        ev.currentTarget.classList.add("opacity-50");
+        ev.dataTransfer.effectAllowed = "move";
+    }
+
+    dragOver(ev) {
+        ev.preventDefault();
+        ev.dataTransfer.dropEffect = "move";
+    }
+
+    drop(ev) {
+        ev.preventDefault();
+        const targetRow = ev.currentTarget;
+        if (this.draggedRow && this.draggedRow !== targetRow) {
+            const rows = [...this.listTarget.children];
+            const draggedIdx = rows.indexOf(this.draggedRow);
+            const targetIdx = rows.indexOf(targetRow);
+            if (draggedIdx < targetIdx) {
+                targetRow.after(this.draggedRow);
+            } else {
+                targetRow.before(this.draggedRow);
+            }
+            this.saveOrder();
+        }
+    }
+
+    dragEnd(ev) {
+        ev.currentTarget.classList.remove("opacity-50");
+        this.draggedRow = null;
+    }
+
+    async saveOrder() {
+        const rows = [...this.listTarget.children];
+        const pageIds = rows.map(row => parseInt(row.dataset.pageId, 10));
+
+        try {
+            await fetch(`/sites/${this.siteIdValue}/pages/reorder`, {
+                method: "POST",
+                headers: {
+                    "Content-Type": "application/json",
+                    "Accept": "application/json",
+                },
+                body: JSON.stringify({ page_ids: pageIds }),
+            });
+        } catch (error) {
+            showToast({
+                title: "Error",
+                body: "Failed to reorder pages.",
+            });
+        }
+    }
+}