🪨 feat: AWS Bedrock support (#3935)

* feat: Add BedrockIcon component to SVG library

* feat: EModelEndpoint.bedrock

* feat: first pass, bedrock chat. note: AgentClient is returning `agents` as conversation.endpoint

* fix: declare endpoint in initialization step

* chore: Update @librechat/agents dependency to version 1.4.5

* feat: backend content aggregation for agents/bedrock

* feat: abort agent requests

* feat: AWS Bedrock icons

* WIP: agent provider schema parsing

* chore: Update EditIcon props type

* refactor(useGenerationsByLatest): make agents and bedrock editable

* refactor: non-assistant message content, parts

* fix: Bedrock response `sender`

* fix: use endpointOption.model_parameters not endpointOption.modelOptions

* fix: types for step handler

* refactor: Update Agents.ToolCallDelta type

* refactor: Remove unnecessary assignment of parentMessageId in AskController

* refactor: remove unnecessary assignment of parentMessageId (agent request handler)

* fix(bedrock/agents): message regeneration

* refactor: dynamic form elements using react-hook-form Controllers

* fix: agent icons/labels for messages

* fix: agent actions

* fix: use of new dynamic tags causing application crash

* refactor: dynamic settings touch-ups

* refactor: update Slider component to allow custom track class name

* refactor: update DynamicSlider component styles

* refactor: use Constants value for GLOBAL_PROJECT_NAME (enum)

* feat: agent share global methods/controllers

* fix: agents query

* fix: `getResponseModel`

* fix: share prompt a11y issue

* refactor: update SharePrompt dialog theme styles

* refactor: explicit typing for SharePrompt

* feat: add agent roles/permissions

* chore: update @librechat/agents dependency to version 1.4.7 for tool_call_ids edge case

* fix(Anthropic): messages.X.content.Y.tool_use.input: Input should be a valid dictionary

* fix: handle text parts with tool_call_ids and empty text

* fix: role initialization

* refactor: don't make instructions required

* refactor: improve typing of Text part

* fix: setShowStopButton for agents route

* chore: remove params for now

* fix: add streamBuffer and streamRate to help prevent 'Overloaded' errors from Anthropic API

* refactor: remove console.log statement in ContentRender component

* chore: typing, rename Context to Delete Button

* chore(DeleteButton): logging

* refactor(Action): make accessible

* style(Action): improve a11y again

* refactor: remove use/mention of mongoose sessions

* feat: first pass, sharing agents

* feat: visual indicator for global agent, remove author when serving to non-author

* wip: params

* chore: fix typing issues

* fix(schemas): typing

* refactor: improve accessibility of ListCard component and fix console React warning

* wip: reset templates for non-legacy new convos

* Revert "wip: params"

This reverts commit f8067e91d4.

* Revert "refactor: dynamic form elements using react-hook-form Controllers"

This reverts commit 2150c4815d.

* fix(Parameters): types and parameter effect update to only update local state to parameters

* refactor: optimize useDebouncedInput hook for better performance

* feat: first pass, anthropic bedrock params

* chore: paramEndpoints check for endpointType too

* fix: maxTokens to use coerceNumber.optional(),

* feat: extra chat model params

* chore: reduce code repetition

* refactor: improve preset title handling in SaveAsPresetDialog component

* refactor: improve preset handling in HeaderOptions component

* chore: improve typing, replace legacy dialog for SaveAsPresetDialog

* feat: save as preset from parameters panel

* fix: multi-search in select dropdown when using Option type

* refactor: update default showDefault value to false in Dynamic components

* feat: Bedrock presets settings

* chore: config, fix agents schema, update config version

* refactor: update AWS region variable name in bedrock options endpoint to BEDROCK_AWS_DEFAULT_REGION

* refactor: update baseEndpointSchema in config.ts to include baseURL property

* refactor: update createRun function to include req parameter and set streamRate based on provider

* feat: availableRegions via config

* refactor: remove unused demo agent controller file

* WIP: title

* Update @librechat/agents to version 1.5.0

* chore: addTitle.js to handle empty responseText

* feat: support images and titles

* feat: context token updates

* Refactor BaseClient test to use expect.objectContaining

* refactor: add model select, remove header options params, move side panel params below prompts

* chore: update models list, catch title error

* feat: model service for bedrock models (env)

* chore: Remove verbose debug log in AgentClient class following stream

* feat(bedrock): track token spend; fix: token rates, value key mapping for AWS models

* refactor: handle streamRate in `handleLLMNewToken` callback

* chore: AWS Bedrock example config in `.env.example`

* refactor: Rename bedrockMeta to bedrockGeneral in settings.ts and use for AI21 and Amazon Bedrock providers

* refactor: Update `.env.example` with AWS Bedrock model IDs URL and additional notes

* feat: titleModel support for bedrock

* refactor: Update `.env.example` with additional notes for AWS Bedrock model IDs

api/server/services/ModelService.spec.js

@@ -1,7 +1,16 @@
 const axios = require('axios');
+const { EModelEndpoint, defaultModels } = require('librechat-data-provider');
 const { logger } = require('~/config');
 
-const { fetchModels, getOpenAIModels } = require('./ModelService');
+const {
+  fetchModels,
+  splitAndTrim,
+  getOpenAIModels,
+  getGoogleModels,
+  getBedrockModels,
+  getAnthropicModels,
+} = require('./ModelService');
+
 jest.mock('~/utils', () => {
   const originalUtils = jest.requireActual('~/utils');
   return {
@@ -329,3 +338,71 @@ describe('fetchModels with Ollama specific logic', () => {
     );
   });
 });
+
+describe('splitAndTrim', () => {
+  it('should split a string by commas and trim each value', () => {
+    const input = ' model1, model2 , model3,model4 ';
+    const expected = ['model1', 'model2', 'model3', 'model4'];
+    expect(splitAndTrim(input)).toEqual(expected);
+  });
+
+  it('should return an empty array for empty input', () => {
+    expect(splitAndTrim('')).toEqual([]);
+  });
+
+  it('should return an empty array for null input', () => {
+    expect(splitAndTrim(null)).toEqual([]);
+  });
+
+  it('should return an empty array for undefined input', () => {
+    expect(splitAndTrim(undefined)).toEqual([]);
+  });
+
+  it('should filter out empty values after trimming', () => {
+    const input = 'model1,,  ,model2,';
+    const expected = ['model1', 'model2'];
+    expect(splitAndTrim(input)).toEqual(expected);
+  });
+});
+
+describe('getAnthropicModels', () => {
+  it('returns default models when ANTHROPIC_MODELS is not set', () => {
+    delete process.env.ANTHROPIC_MODELS;
+    const models = getAnthropicModels();
+    expect(models).toEqual(defaultModels[EModelEndpoint.anthropic]);
+  });
+
+  it('returns models from ANTHROPIC_MODELS when set', () => {
+    process.env.ANTHROPIC_MODELS = 'claude-1, claude-2 ';
+    const models = getAnthropicModels();
+    expect(models).toEqual(['claude-1', 'claude-2']);
+  });
+});
+
+describe('getGoogleModels', () => {
+  it('returns default models when GOOGLE_MODELS is not set', () => {
+    delete process.env.GOOGLE_MODELS;
+    const models = getGoogleModels();
+    expect(models).toEqual(defaultModels[EModelEndpoint.google]);
+  });
+
+  it('returns models from GOOGLE_MODELS when set', () => {
+    process.env.GOOGLE_MODELS = 'gemini-pro, bard ';
+    const models = getGoogleModels();
+    expect(models).toEqual(['gemini-pro', 'bard']);
+  });
+});
+
+describe('getBedrockModels', () => {
+  it('returns default models when BEDROCK_AWS_MODELS is not set', () => {
+    delete process.env.BEDROCK_AWS_MODELS;
+    const models = getBedrockModels();
+    expect(models).toEqual(defaultModels[EModelEndpoint.bedrock]);
+  });
+
+  it('returns models from BEDROCK_AWS_MODELS when set', () => {
+    process.env.BEDROCK_AWS_MODELS = 'anthropic.claude-v2, ai21.j2-ultra ';
+    const models = getBedrockModels();
+    expect(models).toEqual(['anthropic.claude-v2', 'ai21.j2-ultra']);
+  });
+});