* 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 69b699739671e740820f570ddb83d1caa0dbd6e4. * 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