Changeset 0.21.5 (#91)

src/js/surfaces.js

@@ -167,6 +167,28 @@ const Surfaces = {
         return this._registry.size > 1;
     },
 
+    /**
+     * Get a saved DocumentFragment for a specific surface + region.
+     * Used by surfaces like editor-mode that want to embed chat DOM
+     * inside their own layout.
+     * @param {string} surfaceId — the surface that owns the saved DOM
+     * @param {string} regionId — the region name
+     * @returns {DocumentFragment|null}
+     */
+    getSavedFragment(surfaceId, regionId) {
+        const key = `${surfaceId}::${regionId}`;
+        return this._saved.get(key) || null;
+    },
+
+    /**
+     * Put a DocumentFragment back into the saved store.
+     * Used during deactivation to return borrowed DOM.
+     */
+    putSavedFragment(surfaceId, regionId, frag) {
+        const key = `${surfaceId}::${regionId}`;
+        this._saved.set(key, frag);
+    },
+
     // ── Region Management ────────────────────
 
     /**