Update app.py

app.py

@@ -35,7 +35,12 @@ STORAGE_MAP = {
     "sample":   {"folder": "samples/",  "index": "samples/_samples.json"},
     "music":    {"folder": "music/",    "index": "music/_music.json"},
     "note":     {"folder": "notes/",    "index": "notes/_notes.json"},
-    "default":  {"folder": "misc/",     "index": "misc/_misc.json"}
+    "default":  {"folder": "misc/",     "index": "misc/_misc.json"},
+    "shaders": {
+        "bucket": "your-gcs-bucket",
+        "prefix": "shaders/",
+        "allowed_ext": [".wgsl", ".json"]
+    }
 }
 
 # --- GLOBAL OBJECTS ---
@@ -1008,5 +1013,17 @@ async def sync_gcs_storage():
         await cache.clear()
         return report
 
+@app.post("/api/shaders/{shader_id}/rate")
+async def rate_shader(shader_id: str, rating: float):  # 1.0–5.0
+    meta = load_metadata(shader_id)
+    meta["stars"] = (meta["stars"] * meta["rating_count"] + rating) / (meta["rating_count"] + 1)
+    meta["rating_count"] += 1
+    save_metadata(shader_id, meta)
+    return meta
+
+@app.get("/api/shaders")
+async def list_shaders(category: str = None, min_stars: float = 0):
+    # return sorted list with description + avg stars
+    
 if __name__ == "__main__":
     uvicorn.run(app, host="0.0.0.0", port=7860)