💬 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/localization/languages/Eng.ts

@@ -78,6 +78,8 @@ export default {
   com_assistants_update_error: 'There was an error updating your assistant.',
   com_assistants_create_success: 'Successfully created',
   com_assistants_create_error: 'There was an error creating your assistant.',
+  com_assistants_conversation_starters: 'Conversation Starters',
+  com_assistants_conversation_starters_placeholder: 'Enter a conversation starter',
   com_ui_date_today: 'Today',
   com_ui_date_yesterday: 'Yesterday',
   com_ui_date_previous_7_days: 'Previous 7 days',
@@ -221,7 +223,8 @@ export default {
   com_ui_fork_visible: 'Visible messages only',
   com_ui_fork_from_message: 'Select a fork option',
   com_ui_mention: 'Mention an endpoint, assistant, or preset to quickly switch to it',
-  com_ui_add: 'Add a model or preset for an additional response',
+  com_ui_add_model_preset: 'Add a model or preset for an additional response',
+  com_assistants_max_starters_reached: 'Max number of conversation starters reached',
   com_ui_regenerate: 'Regenerate',
   com_ui_continue: 'Continue',
   com_ui_edit: 'Edit',
@@ -603,7 +606,7 @@ export default {
   com_nav_plugin_store: 'Plugin store',
   com_nav_plugin_install: 'Install',
   com_nav_plugin_uninstall: 'Uninstall',
-  com_nav_tool_add: 'Add',
+  com_ui_add: 'Add',
   com_nav_tool_remove: 'Remove',
   com_nav_tool_dialog: 'Assistant Tools',
   com_ui_misc: 'Misc.',