refactor: scenes use manifest.json (same structure as dashboards)

models/scene.py

@@ -87,9 +87,9 @@ class SceneManager:
         for item in SCENES_DIR.iterdir():
             if not item.is_dir():
                 continue
-            f = item / "scene.json"
-            if not f.exists():
-                continue
+                f = item / "manifest.json"
+                if not f.exists():
+                    continue
             try:
                 with open(f, "r", encoding="utf-8") as fp:
                     data = json.load(fp)
@@ -107,7 +107,7 @@ class SceneManager:
 
     def get(self, scene_id: str) -> dict[str, Any] | None:
         item = SCENES_DIR / scene_id
-        f = item / "scene.json"
+        f = item / "manifest.json"
         if not f.exists():
             return None
         try:
@@ -128,7 +128,7 @@ class SceneManager:
         item = SCENES_DIR / scene.id
         item.mkdir(parents=True, exist_ok=True)
         try:
-            with open(item / "scene.json", "w", encoding="utf-8") as f:
+            with open(item / "manifest.json", "w", encoding="utf-8") as f:
                 json.dump(scene.to_dict(), f, indent=2, ensure_ascii=False)
             logger.info("Scene saved: %s", scene.id)
             return True
@@ -160,10 +160,10 @@ class SceneManager:
     def import_scene_zip(self, zip_data: bytes) -> bool:
         try:
             with zipfile.ZipFile(io.BytesIO(zip_data), 'r') as zf:
-                if "scene.json" not in zf.namelist():
-                    logger.error("No scene.json found in zip")
+                if "manifest.json" not in zf.namelist():
+                    logger.error("No manifest.json found in zip")
                     return False
-                data = json.loads(zf.read("scene.json").decode('utf-8'))
+                data = json.loads(zf.read("manifest.json").decode('utf-8'))
                 scene = Scene.from_dict(data)
                 item = SCENES_DIR / scene.id
                 if item.exists():