🤖 feat: Streamline Endpoints to Agent Framework (#8013)

* refactor(buildEndpointOption): Improve error logging in middleware, consolidate `isAgents` builder logic, remove adding `modelsConfig` to `endpointOption`

* refactor: parameter extraction and organization in agent services, minimize redundancy of shared fields across objects, make clear distinction of parameters processed uniquely by LibreChat vs LLM Provider Configs

* refactor(createPayload): streamline all endpoints to agent route

* fix: add `modelLabel` to response sender options for agent initialization

* chore: correct log message context in EditController abort controller cleanup

* chore: remove unused abortRequest hook

* chore: remove unused addToCache module and its dependencies

* refactor: remove AskController and related routes, update endpoint URLs (now all streamlined to agents route)

* chore: remove unused bedrock route and its related imports

* refactor: simplify response sender logic for Google endpoint

* chore: add `modelDisplayLabel` handling for agents endpoint

* feat: add file search capability to ephemeral agents, update code interpreter selection based of file upload, consolidate main upload menu for all endpoints

* feat: implement useToolToggle hook for managing tool toggle state, refactor CodeInterpreter and WebSearch components to utilize new hook

* feat: add ToolsDropdown component to BadgeRow for enhanced tool options

* feat: introduce BadgeRowContext and BadgeRowProvider for managing conversation state, refactor related components to utilize context

* feat: implement useMCPSelect hook for managing MCP selection state, refactor MCPSelect component to utilize new hook

* feat: enhance BadgeRowContext with MCPSelect and tool toggle functionality, refactor related components to utilize updated context and hooks

* refactor: streamline useToolToggle hook by integrating setEphemeralAgent directly into toggle logic and removing redundant setValue function

* refactor: consolidate codeApiKeyForm and searchApiKeyForm from CodeInterpreter and WebSearch to utilize new context properties

* refactor: update CheckboxButton to support controlled state and enhance ToolsDropdown with permission-based toggles for web search and code interpreter

* refactor: conditionally render CheckboxButton in CodeInterpreter and WebSearch components for improved UI responsiveness

* chore: add jotai dependency to package.json and package-lock.json

* chore: update brace-expansion package to version 2.0.2 in package-lock.json due to CVE-2025-5889

* Revert "chore: add jotai dependency to package.json and package-lock.json"

This reverts commit 69b6997396.

* refactor: add pinning functionality to CodeInterpreter and WebSearch components, and enhance ToolsDropdown with pin toggle for web search and code interpreter

* chore: move MCPIcon to correct location, remove duplicate

* fix: update MCP import to use type-only import from librechat-data-provider

* feat: implement MCPSubMenu component and integrate pinning functionality into ToolsDropdown

* fix: cycling to submenu by using parent menu context

* feat: add FileSearch component and integrate it into BadgeRow and ToolsDropdown

* chore: import order

* chore: remove agent specific logic that would block functionality for streamlined endpoints

* chore: linting for `createContextHandlers`

* chore: ensure ToolsDropdown doesn't show up for agents

* chore: ensure tool resource is selected when dragged to UI

* chore: update file search behavior to simulate legacy functionality

* feat: ToolDialogs with multiple trigger references, add settings to tool dropdown

* refactor: simplify web search and code interpreter settings checks

* chore: simplify local storage key for pinned state in useToolToggle

* refactor: reinstate agent check in AttachFileChat component, as individual providers will ahve different file configurations

* ci: increase timeout for MongoDB connection in Agent tests

packages/data-provider/src/config.ts

@@ -940,18 +940,10 @@ export const initialModelsConfig: TModelsConfig = {
   [EModelEndpoint.bedrock]: defaultModels[EModelEndpoint.bedrock],
 };
 
-export const EndpointURLs: { [key in EModelEndpoint]: string } = {
-  [EModelEndpoint.openAI]: `/api/ask/${EModelEndpoint.openAI}`,
-  [EModelEndpoint.google]: `/api/ask/${EModelEndpoint.google}`,
-  [EModelEndpoint.custom]: `/api/ask/${EModelEndpoint.custom}`,
-  [EModelEndpoint.anthropic]: `/api/ask/${EModelEndpoint.anthropic}`,
-  [EModelEndpoint.gptPlugins]: `/api/ask/${EModelEndpoint.gptPlugins}`,
-  [EModelEndpoint.azureOpenAI]: `/api/ask/${EModelEndpoint.azureOpenAI}`,
-  [EModelEndpoint.chatGPTBrowser]: `/api/ask/${EModelEndpoint.chatGPTBrowser}`,
-  [EModelEndpoint.azureAssistants]: '/api/assistants/v1/chat',
+export const EndpointURLs: Record<string, string> = {
   [EModelEndpoint.assistants]: '/api/assistants/v2/chat',
+  [EModelEndpoint.azureAssistants]: '/api/assistants/v1/chat',
   [EModelEndpoint.agents]: `/api/${EModelEndpoint.agents}/chat`,
-  [EModelEndpoint.bedrock]: `/api/${EModelEndpoint.bedrock}/chat`,
 };
 
 export const modularEndpoints = new Set<EModelEndpoint | string>([
@@ -1451,10 +1443,18 @@ export enum LocalStorageKeys {
   LAST_CODE_TOGGLE_ = 'LAST_CODE_TOGGLE_',
   /** Last checked toggle for Web Search per conversation ID */
   LAST_WEB_SEARCH_TOGGLE_ = 'LAST_WEB_SEARCH_TOGGLE_',
+  /** Last checked toggle for File Search per conversation ID */
+  LAST_FILE_SEARCH_TOGGLE_ = 'LAST_FILE_SEARCH_TOGGLE_',
   /** Key for the last selected agent provider */
   LAST_AGENT_PROVIDER = 'lastAgentProvider',
   /** Key for the last selected agent model */
   LAST_AGENT_MODEL = 'lastAgentModel',
+  /** Pin state for MCP tools per conversation ID */
+  PIN_MCP_ = 'PIN_MCP_',
+  /** Pin state for Web Search per conversation ID */
+  PIN_WEB_SEARCH_ = 'PIN_WEB_SEARCH_',
+  /** Pin state for Code Interpreter per conversation ID */
+  PIN_CODE_INTERPRETER_ = 'PIN_CODE_INTERPRETER_',
 }
 
 export enum ForkOptions {