📚 docs: Add fileSearch configuration to interface and update changelog for version 1.2.8 (#369)

- Introduced `fileSearch` option to enable or disable the file search button in the chat interface, with a default value of `true`.
- Updated configuration documentation to include `fileSearch` alongside `webSearch`.
- Enhanced changelog to reflect these new features and their implications for the chat interface.

components/changelog/content/config_v1.2.8.mdx

@@ -78,5 +78,12 @@
   - Can be configured globally using the `all:` endpoint definition
   - See individual endpoint documentation for specific examples
 
+- Added `fileSearch` to interface configuration:
+  - Enables or disables the file search button in the chat interface
+  - Similar to the `webSearch` option but controls file search (RAG API usage via tool)
+  - Does not disable the [Agents File Search Capability](/docs/features/agents#file-search)
+  - Default value is `true` if not specified
+  - See [Interface Object Structure - fileSearch](/docs/configuration/librechat_yaml/object_structure/interface#filesearch) for details
+
 - Improved [Model Specs documentation](/docs/configuration/librechat_yaml/object_structure/model_specs) with parameter support updates:
   - Added support for `disableStreaming`, `thinking`, `thinkingBudget`, `web_search`, and other parameters

pages/docs/configuration/librechat_yaml/object_structure/config.mdx

@@ -377,6 +377,8 @@ see also:
     ['bookmarks', 'Boolean', 'Enables or disables all bookmarks-related features for all users', ''],
     ['multiConvo', 'Boolean', 'Enables or disables all "multi convo", AKA multiple response streaming, related features for all users', ''],
     ['agents', 'Boolean', 'Enables or disables all agents features for all users', ''],
+    ['webSearch', 'Boolean', 'Enables or disables the web search button in the chat interface', ''],
+    ['fileSearch', 'Boolean', 'Enables or disables the file search button in the chat interface', ''],
     ['temporaryChatRetention', 'Number', 'Configures the retention period for temporary chats in hours. Min: 1, Max: 8760. Default: 720 (30 days).', 'temporaryChatRetention: 168'],
   ]}
 />

pages/docs/configuration/librechat_yaml/object_structure/interface.mdx

@@ -20,6 +20,7 @@ These are fields under `interface`:
   - `customWelcome`
   - `runCode`
   - `webSearch`
+  - `fileSearch`
 
 **Notes:**
 
@@ -56,6 +57,7 @@ interface:
   customWelcome: "Hey {{user.name}}! Welcome to LibreChat"
   runCode: true
   webSearch: true
+  fileSearch: true
 ```
 
 ## mcpServers
@@ -313,3 +315,24 @@ Enables/disables the web search button in the chat interface. More info on [Web
 interface:
   webSearch: true
 ```
+
+## fileSearch
+
+Enables/disables the file search (for RAG API usage via tool) button in the chat interface
+
+**Note:** This setting does not disable the [Agents File Search Capability](/docs/features/agents#file-search). To disable the Agents Capability, see the [Agents Endpoint configuration](/docs/configuration/librechat_yaml/object_structure/agents) instead.
+
+**Key:**
+<OptionTable
+  options={[
+    ['fileSearch', 'Boolean', 'Enables or disables the file search button in the chat interface.'],
+  ]}
+/>
+
+**Default:** `true`
+
+**Example:**
+```yaml filename="interface / fileSearch"
+interface:
+  fileSearch: true
+```