fix(vefaas): fix mcp doc and streamable-http conflict

Author: floritange

README.md

@@ -11,6 +11,8 @@ An open-source kit for agent development, integrated the powerful capabilities o
 
 For more details, see our [documents](https://volcengine.github.io/veadk-python/).
 
+A [tutorial](https://github.com/volcengine/veadk-python/blob/main/veadk_tutorial.ipynb) is available by Jupyter Notebook, or open it in [Google Colab](https://colab.research.google.com/github/volcengine/veadk-python/blob/main/veadk_tutorial.ipynb) directly.
+
 ## Installation
 
 We use `uv` to build this project ([how-to-install-uv](https://docs.astral.sh/uv/getting-started/installation/)).

docs/docs/get-started.md

@@ -1,5 +1,7 @@
 # 快速开始
 
+我们提供了一个供您完整体验 VeADK 核心功能的[教程](https://github.com/volcengine/veadk-python/blob/main/veadk_tutorial.ipynb)（基于 Jupyter Notebook），或者您也可以直接在 [Google Colab](https://colab.research.google.com/github/volcengine/veadk-python/blob/main/veadk_tutorial.ipynb) 中打开。
+
 ## 安装 VeADK
 
 您可参考[安装](./installation.md)文档进行安装。

veadk/utils/misc.py

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 import time
+import requests
 
 
 def read_file(file_path):
@@ -28,6 +29,14 @@ def formatted_timestamp():
 
 
 def read_png_to_bytes(png_path: str) -> bytes:
-    with open(png_path, "rb") as f:
-        data = f.read()
+    # Determine whether it is a local file or a network file
+    if png_path.startswith(("http://", "https://")):
+        # Network file: Download via URL and return bytes
+        response = requests.get(png_path)
+        response.raise_for_status()  # Check if the HTTP request is successful
+        return response.content
+    else:
+        # Local file
+        with open(png_path, "rb") as f:
+            data = f.read()
     return data