some persmission changes

app.py

@@ -686,11 +686,11 @@ class PaddleOCRModelManager(object):
 def create_model(lang):
     print(f"Creating PaddleOCR model for language: {lang}")
 
-    # ✅ Fix: set PaddleOCR cache dir to writable location
-    os.environ["PADDLEOCR_HOME"] = "/app/.paddleocr"
-    os.makedirs("/app/.paddleocr", exist_ok=True)
+    # Use a writable directory (persistent if available)
+    cache_dir = "/home/user/.paddleocr"
+    os.environ["PADDLEOCR_HOME"] = cache_dir
+    os.makedirs(cache_dir, exist_ok=True)
 
-    # Create model
     return PaddleOCR(lang=lang, use_angle_cls=True, use_gpu=False)
 
 model_managers = {}