Fix agent session API (#3589)

### What problem does this PR solve?

#3585
### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

docs/guides/configure_knowledge_base.md

@@ -128,7 +128,7 @@ RAGFlow uses multiple recall of both full-text search and vector search in its c
 
 ## Search for knowledge base
 
-As of RAGFlow v0.13.0, the search feature is still in a rudimentary form, supporting only knowledge base search by name.
+As of RAGFlow v0.14.0, the search feature is still in a rudimentary form, supporting only knowledge base search by name.
 
 ![search knowledge base](https://github.com/infiniflow/ragflow/assets/93570324/836ae94c-2438-42be-879e-c7ad2a59693e)
 

docs/guides/manage_files.md

@@ -81,4 +81,4 @@ RAGFlow's file management allows you to download an uploaded file:
 
 ![download_file](https://github.com/infiniflow/ragflow/assets/93570324/cf3b297f-7d9b-4522-bf5f-4f45743e4ed5)
 
-> As of RAGFlow v0.13.0, bulk download is not supported, nor can you download an entire folder. 
+> As of RAGFlow v0.14.0, bulk download is not supported, nor can you download an entire folder. 

docs/guides/upgrade_ragflow.mdx

@@ -36,10 +36,10 @@ import TabItem from '@theme/TabItem';
    git clone https://github.com/infiniflow/ragflow.git
    ```
 
-2. Switch to the latest, officially published release, e.g., `v0.13.0`:
+2. Switch to the latest, officially published release, e.g., `v0.14.0`:
 
    ```bash
-   git checkout v0.13.0
+   git checkout v0.14.0
    ```
 
 3. Update **ragflow/docker/.env** as follows: