💬 feat: assistant conversation starter (#3699)

* feat: initial UI convoStart

* fix: ConvoStarter UI

* fix: convoStarters bug

* feat: Add input field focus on conversation starters

* style: conversation starter UI update

* feat: apply fixes for starters

* style: update conversationStarters UI and fixed typo

* general UI update

* feat: Add onClick functionality to ConvoStarter component

* fix: quick fix test

* fix(AssistantSelect): remove object check

* fix: updateAssistant `conversation_starters` var

* chore: remove starter autofocus

* fix: no empty conversation starters, always show input, use Constants value for max count

* style: Update defaultTextPropsLabel styles, for a11y placeholder

* refactor: Update ConvoStarter component styles and class names for a11y and theme

* refactor: convostarter, move plus button to within persistent element

* fix: types

* chore: Update landing page assistant description styling with theming

* chore: assistant types

* refactor: documents routes

* refactor: optimize conversation starter mutations/queries

* refactor: Update listAllAssistants return type to Promise<Array<Assistant>>

* feat: edit existing starters

* feat(convo-starters): enhance ConvoStarter component and add animations

    - Update ConvoStarter component styling for better visual appeal
    - Implement fade-in animation for smoother appearance
    - Add hover effect with background color change
    - Improve text overflow handling with line-clamp and text-balance
    - Ensure responsive design for various screen sizes

* feat(assistant): add conversation starters to assistant builder

- Add localization strings for conversation starters
- Update mobile.css with shake animation for max starters reached
- Enhance user experience with tooltips and dynamic input handling

* refactor: select specific fields for assistant documents fetch

* refactor: remove endpoint query key, fetch all assistant docs for now, add conversation_starters to v1 methods

* refactor: add document filters based on endpoint config

* fix: starters not applied during creation

* refactor: update AssistantSelect component to handle undefined lastSelectedModels

---------

Co-authored-by: Danny Avila <danny@librechat.ai>

client/src/data-provider/mutations.ts

@@ -622,7 +622,7 @@ export const useUploadFileMutation = (
 
               const update = {};
               if (!tool_resource) {
-                update['file_ids'] = [...assistant.file_ids, data.file_id];
+                update['file_ids'] = [...(assistant.file_ids ?? []), data.file_id];
               }
               if (tool_resource === EToolResources.code_interpreter) {
                 const prevResources = assistant.tool_resources ?? {};
@@ -884,6 +884,24 @@ export const useUpdateAssistantMutation = (
           return options?.onSuccess?.(updatedAssistant, variables, context);
         }
 
+        queryClient.setQueryData<t.AssistantDocument[]>(
+          [QueryKeys.assistantDocs, variables.data.endpoint],
+          (prev) => {
+            if (!prev) {
+              return prev;
+            }
+            prev.map((doc) => {
+              if (doc.assistant_id === variables.assistant_id) {
+                return {
+                  ...doc,
+                  conversation_starters: updatedAssistant.conversation_starters,
+                };
+              }
+              return doc;
+            });
+          },
+        );
+
         queryClient.setQueryData<t.AssistantListResponse>(
           [QueryKeys.assistants, variables.data.endpoint, defaultOrderQuery],
           {
@@ -1070,7 +1088,7 @@ export const useDeleteAction = (
               if (assistant.id === variables.assistant_id) {
                 return {
                   ...assistant,
-                  tools: assistant.tools.filter(
+                  tools: (assistant.tools ?? []).filter(
                     (tool) => !tool.function?.name.includes(domain ?? ''),
                   ),
                 };