Set up comprehensive frontend testing infrastructure

- Install Jest for unit testing with React Testing Library
- Install Playwright for end-to-end testing
- Configure Jest with proper TypeScript support and module mapping
- Create test setup files and utilities for both unit and e2e tests

Components:
* Jest configuration with coverage thresholds
* Playwright configuration with browser automation
* Unit tests for LoginForm, AuthContext, and useSocketIO hook
* E2E tests for authentication, dashboard, and agents workflows
* GitHub Actions workflow for automated testing
* Mock data and API utilities for consistent testing
* Test documentation with best practices

Testing features:
- Unit tests with 70% coverage threshold
- E2E tests with API mocking and user journey testing
- CI/CD integration for automated test runs
- Cross-browser testing support with Playwright
- Authentication system testing end-to-end

🚀 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

frontend/node_modules/jest-message-util/LICENSE

@@ -0,0 +1,22 @@
+MIT License
+
+Copyright (c) Meta Platforms, Inc. and affiliates.
+Copyright Contributors to the Jest project.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

frontend/node_modules/jest-message-util/build/index.d.ts

@@ -0,0 +1,68 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import {StackData} from 'stack-utils';
+import {Config, TestResult} from '@jest/types';
+
+export declare const formatExecError: (
+  error: Error | TestResult.SerializableError | string | number | undefined,
+  config: StackTraceConfig,
+  options: StackTraceOptions,
+  testPath?: string,
+  reuseMessage?: boolean,
+  noTitle?: boolean,
+) => string;
+
+export declare const formatPath: (
+  line: string,
+  config: StackTraceConfig,
+  relativeTestPath?: string | null,
+) => string;
+
+export declare const formatResultsErrors: (
+  testResults: Array<TestResult.AssertionResult>,
+  config: StackTraceConfig,
+  options: StackTraceOptions,
+  testPath?: string,
+) => string | null;
+
+export declare function formatStackTrace(
+  stack: string,
+  config: StackTraceConfig,
+  options: StackTraceOptions,
+  testPath?: string,
+): string;
+
+export declare interface Frame extends StackData {
+  file: string;
+}
+
+export declare function getStackTraceLines(
+  stack: string,
+  options?: StackTraceOptions,
+): Array<string>;
+
+export declare function getTopFrame(lines: Array<string>): Frame | null;
+
+export declare const indentAllLines: (lines: string) => string;
+
+export declare const separateMessageFromStack: (content: string) => {
+  message: string;
+  stack: string;
+};
+
+export declare type StackTraceConfig = Pick<
+  Config.ProjectConfig,
+  'rootDir' | 'testMatch'
+>;
+
+export declare type StackTraceOptions = {
+  noStackTrace: boolean;
+  noCodeFrame?: boolean;
+};
+
+export {};

frontend/node_modules/jest-message-util/build/index.js

@@ -0,0 +1,376 @@
+/*!
+ * /**
+ *  * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *  *
+ *  * This source code is licensed under the MIT license found in the
+ *  * LICENSE file in the root directory of this source tree.
+ *  * /
+ */
+/******/ (() => { // webpackBootstrap
+/******/ 	"use strict";
+var __webpack_exports__ = {};
+// This entry needs to be wrapped in an IIFE because it uses a non-standard name for the exports (exports).
+(() => {
+var exports = __webpack_exports__;
+
+
+Object.defineProperty(exports, "__esModule", ({
+  value: true
+}));
+exports.formatResultsErrors = exports.formatPath = exports.formatExecError = void 0;
+exports.formatStackTrace = formatStackTrace;
+exports.getStackTraceLines = getStackTraceLines;
+exports.getTopFrame = getTopFrame;
+exports.separateMessageFromStack = exports.indentAllLines = void 0;
+var path = _interopRequireWildcard(require("path"));
+var _url = require("url");
+var _util = require("util");
+var _codeFrame = require("@babel/code-frame");
+var _chalk = _interopRequireDefault(require("chalk"));
+var fs = _interopRequireWildcard(require("graceful-fs"));
+var _micromatch = _interopRequireDefault(require("micromatch"));
+var _slash = _interopRequireDefault(require("slash"));
+var _stackUtils = _interopRequireDefault(require("stack-utils"));
+var _prettyFormat = require("pretty-format");
+function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
+function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function (e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != typeof e && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (const t in e) "default" !== t && {}.hasOwnProperty.call(e, t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, t)) && (i.get || i.set) ? o(f, t, i) : f[t] = e[t]); return f; })(e, t); }
+var Symbol = globalThis['jest-symbol-do-not-touch'] || globalThis.Symbol;
+var Symbol = globalThis['jest-symbol-do-not-touch'] || globalThis.Symbol;
+var jestReadFile = globalThis[Symbol.for('jest-native-read-file')] || fs.readFileSync;
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+// stack utils tries to create pretty stack by making paths relative.
+const stackUtils = new _stackUtils.default({
+  cwd: 'something which does not exist'
+});
+let nodeInternals = [];
+try {
+  nodeInternals = _stackUtils.default.nodeInternals();
+} catch {
+  // `StackUtils.nodeInternals()` fails in browsers. We don't need to remove
+  // node internals in the browser though, so no issue.
+}
+const PATH_NODE_MODULES = `${path.sep}node_modules${path.sep}`;
+const PATH_JEST_PACKAGES = `${path.sep}jest${path.sep}packages${path.sep}`;
+
+// filter for noisy stack trace lines
+const JASMINE_IGNORE = /^\s+at(?:(?:.jasmine-)|\s+jasmine\.buildExpectationResult)/;
+const JEST_INTERNALS_IGNORE = /^\s+at.*?jest(-.*?)?(\/|\\)(build|node_modules|packages)(\/|\\)/;
+const ANONYMOUS_FN_IGNORE = /^\s+at <anonymous>.*$/;
+const ANONYMOUS_PROMISE_IGNORE = /^\s+at (new )?Promise \(<anonymous>\).*$/;
+const ANONYMOUS_GENERATOR_IGNORE = /^\s+at Generator.next \(<anonymous>\).*$/;
+const NATIVE_NEXT_IGNORE = /^\s+at next \(native\).*$/;
+const TITLE_INDENT = '  ';
+const MESSAGE_INDENT = '    ';
+const STACK_INDENT = '      ';
+const ANCESTRY_SEPARATOR = ' \u203A ';
+const TITLE_BULLET = _chalk.default.bold('\u25CF ');
+const STACK_TRACE_COLOR = _chalk.default.dim;
+const STACK_PATH_REGEXP = /\s*at.*\(?(:\d*:\d*|native)\)?/;
+const EXEC_ERROR_MESSAGE = 'Test suite failed to run';
+const NOT_EMPTY_LINE_REGEXP = /^(?!$)/gm;
+const indentAllLines = lines => lines.replaceAll(NOT_EMPTY_LINE_REGEXP, MESSAGE_INDENT);
+exports.indentAllLines = indentAllLines;
+const trim = string => (string || '').trim();
+
+// Some errors contain not only line numbers in stack traces
+// e.g. SyntaxErrors can contain snippets of code, and we don't
+// want to trim those, because they may have pointers to the column/character
+// which will get misaligned.
+const trimPaths = string => STACK_PATH_REGEXP.test(string) ? trim(string) : string;
+const getRenderedCallsite = (fileContent, line, column) => {
+  let renderedCallsite = (0, _codeFrame.codeFrameColumns)(fileContent, {
+    start: {
+      column,
+      line
+    }
+  }, {
+    highlightCode: true
+  });
+  renderedCallsite = indentAllLines(renderedCallsite);
+  renderedCallsite = `\n${renderedCallsite}\n`;
+  return renderedCallsite;
+};
+const blankStringRegexp = /^\s*$/;
+function checkForCommonEnvironmentErrors(error) {
+  if (error.includes('ReferenceError: document is not defined') || error.includes('ReferenceError: window is not defined') || error.includes('ReferenceError: navigator is not defined')) {
+    return warnAboutWrongTestEnvironment(error, 'jsdom');
+  } else if (error.includes('.unref is not a function')) {
+    return warnAboutWrongTestEnvironment(error, 'node');
+  }
+  return error;
+}
+function warnAboutWrongTestEnvironment(error, env) {
+  return _chalk.default.bold.red(`The error below may be caused by using the wrong test environment, see ${_chalk.default.dim.underline('https://jestjs.io/docs/configuration#testenvironment-string')}.\nConsider using the "${env}" test environment.\n\n`) + error;
+}
+
+// ExecError is an error thrown outside of the test suite (not inside an `it` or
+// `before/after each` hooks). If it's thrown, none of the tests in the file
+// are executed.
+const formatExecError = (error, config, options, testPath, reuseMessage, noTitle) => {
+  if (!error || typeof error === 'number') {
+    error = new Error(`Expected an Error, but "${String(error)}" was thrown`);
+    error.stack = '';
+  }
+  let message, stack;
+  let cause = '';
+  const subErrors = [];
+  if (typeof error === 'string' || !error) {
+    error ||= 'EMPTY ERROR';
+    message = '';
+    stack = error;
+  } else {
+    message = error.message;
+    stack = typeof error.stack === 'string' ? error.stack : `thrown: ${(0, _prettyFormat.format)(error, {
+      maxDepth: 3
+    })}`;
+    if ('cause' in error) {
+      const prefix = '\n\nCause:\n';
+      if (typeof error.cause === 'string' || typeof error.cause === 'number') {
+        cause += `${prefix}${error.cause}`;
+      } else if (_util.types.isNativeError(error.cause) || error.cause instanceof Error) {
+        /* `isNativeError` is used, because the error might come from another realm.
+         `instanceof Error` is used because `isNativeError` does return `false` for some
+         things that are `instanceof Error` like the errors provided in
+         [verror](https://www.npmjs.com/package/verror) or [axios](https://axios-http.com).
+        */
+        const formatted = formatExecError(error.cause, config, options, testPath, reuseMessage, true);
+        cause += `${prefix}${formatted}`;
+      }
+    }
+    if ('errors' in error && Array.isArray(error.errors)) {
+      for (const subError of error.errors) {
+        subErrors.push(formatExecError(subError, config, options, testPath, reuseMessage, true));
+      }
+    }
+  }
+  if (cause !== '') {
+    cause = indentAllLines(cause);
+  }
+  const separated = separateMessageFromStack(stack || '');
+  stack = separated.stack;
+  if (separated.message.includes(trim(message))) {
+    // Often stack trace already contains the duplicate of the message
+    message = separated.message;
+  }
+  message = checkForCommonEnvironmentErrors(message);
+  message = indentAllLines(message);
+  stack = stack && !options.noStackTrace ? `\n${formatStackTrace(stack, config, options, testPath)}` : '';
+  if (typeof stack !== 'string' || blankStringRegexp.test(message) && blankStringRegexp.test(stack)) {
+    // this can happen if an empty object is thrown.
+    message = `thrown: ${(0, _prettyFormat.format)(error, {
+      maxDepth: 3
+    })}`;
+  }
+  let messageToUse;
+  if (reuseMessage || noTitle) {
+    messageToUse = ` ${message.trim()}`;
+  } else {
+    messageToUse = `${EXEC_ERROR_MESSAGE}\n\n${message}`;
+  }
+  const title = noTitle ? '' : `${TITLE_INDENT + TITLE_BULLET}`;
+  const subErrorStr = subErrors.length > 0 ? indentAllLines(`\n\nErrors contained in AggregateError:\n${subErrors.join('\n')}`) : '';
+  return `${title + messageToUse + stack + cause + subErrorStr}\n`;
+};
+exports.formatExecError = formatExecError;
+const removeInternalStackEntries = (lines, options) => {
+  let pathCounter = 0;
+  return lines.filter(line => {
+    if (ANONYMOUS_FN_IGNORE.test(line)) {
+      return false;
+    }
+    if (ANONYMOUS_PROMISE_IGNORE.test(line)) {
+      return false;
+    }
+    if (ANONYMOUS_GENERATOR_IGNORE.test(line)) {
+      return false;
+    }
+    if (NATIVE_NEXT_IGNORE.test(line)) {
+      return false;
+    }
+    if (nodeInternals.some(internal => internal.test(line))) {
+      return false;
+    }
+    if (!STACK_PATH_REGEXP.test(line)) {
+      return true;
+    }
+    if (JASMINE_IGNORE.test(line)) {
+      return false;
+    }
+    if (++pathCounter === 1) {
+      return true; // always keep the first line even if it's from Jest
+    }
+    if (options.noStackTrace) {
+      return false;
+    }
+    if (JEST_INTERNALS_IGNORE.test(line)) {
+      return false;
+    }
+    return true;
+  });
+};
+const formatPath = (line, config, relativeTestPath = null) => {
+  // Extract the file path from the trace line.
+  const match = line.match(/(^\s*at .*?\(?)([^()]+)(:\d+:\d+\)?.*$)/);
+  if (!match) {
+    return line;
+  }
+  let filePath = (0, _slash.default)(path.relative(config.rootDir, match[2]));
+  // highlight paths from the current test file
+  if (config.testMatch && config.testMatch.length > 0 && (0, _micromatch.default)([filePath], config.testMatch).length > 0 || filePath === relativeTestPath) {
+    filePath = _chalk.default.reset.cyan(filePath);
+  }
+  return STACK_TRACE_COLOR(match[1]) + filePath + STACK_TRACE_COLOR(match[3]);
+};
+exports.formatPath = formatPath;
+function getStackTraceLines(stack, options) {
+  options = {
+    noCodeFrame: false,
+    noStackTrace: false,
+    ...options
+  };
+  return removeInternalStackEntries(stack.split(/\n/), options);
+}
+function getTopFrame(lines) {
+  for (const line of lines) {
+    if (line.includes(PATH_NODE_MODULES) || line.includes(PATH_JEST_PACKAGES)) {
+      continue;
+    }
+    const parsedFrame = stackUtils.parseLine(line.trim());
+    if (parsedFrame && parsedFrame.file) {
+      if (parsedFrame.file.startsWith('file://')) {
+        parsedFrame.file = (0, _slash.default)((0, _url.fileURLToPath)(parsedFrame.file));
+      }
+      return parsedFrame;
+    }
+  }
+  return null;
+}
+function formatStackTrace(stack, config, options, testPath) {
+  const lines = getStackTraceLines(stack, options);
+  let renderedCallsite = '';
+  const relativeTestPath = testPath ? (0, _slash.default)(path.relative(config.rootDir, testPath)) : null;
+  if (!options.noStackTrace && !options.noCodeFrame) {
+    const topFrame = getTopFrame(lines);
+    if (topFrame) {
+      const {
+        column,
+        file: filename,
+        line
+      } = topFrame;
+      if (line && filename && path.isAbsolute(filename)) {
+        let fileContent;
+        try {
+          // TODO: check & read HasteFS instead of reading the filesystem:
+          // see: https://github.com/jestjs/jest/pull/5405#discussion_r164281696
+          fileContent = jestReadFile(filename, 'utf8');
+          renderedCallsite = getRenderedCallsite(fileContent, line, column);
+        } catch {
+          // the file does not exist or is inaccessible, we ignore
+        }
+      }
+    }
+  }
+  const stacktrace = lines.filter(Boolean).map(line => STACK_INDENT + formatPath(trimPaths(line), config, relativeTestPath)).join('\n');
+  return renderedCallsite ? `${renderedCallsite}\n${stacktrace}` : `\n${stacktrace}`;
+}
+function isErrorOrStackWithCause(errorOrStack) {
+  return typeof errorOrStack !== 'string' && 'cause' in errorOrStack && (typeof errorOrStack.cause === 'string' || _util.types.isNativeError(errorOrStack.cause) || errorOrStack.cause instanceof Error);
+}
+function formatErrorStack(errorOrStack, config, options, testPath) {
+  // The stack of new Error('message') contains both the message and the stack,
+  // thus we need to sanitize and clean it for proper display using separateMessageFromStack.
+  const sourceStack = typeof errorOrStack === 'string' ? errorOrStack : errorOrStack.stack || '';
+  let {
+    message,
+    stack
+  } = separateMessageFromStack(sourceStack);
+  stack = options.noStackTrace ? '' : `${STACK_TRACE_COLOR(formatStackTrace(stack, config, options, testPath))}\n`;
+  message = checkForCommonEnvironmentErrors(message);
+  message = indentAllLines(message);
+  let cause = '';
+  if (isErrorOrStackWithCause(errorOrStack)) {
+    const nestedCause = formatErrorStack(errorOrStack.cause, config, options, testPath);
+    cause = `\n${MESSAGE_INDENT}Cause:\n${nestedCause}`;
+  }
+  return `${message}\n${stack}${cause}`;
+}
+function failureDetailsToErrorOrStack(failureDetails, content) {
+  if (!failureDetails) {
+    return content;
+  }
+  if (_util.types.isNativeError(failureDetails) || failureDetails instanceof Error) {
+    return failureDetails; // receiving raw errors for jest-circus
+  }
+  if (typeof failureDetails === 'object' && 'error' in failureDetails && (_util.types.isNativeError(failureDetails.error) || failureDetails.error instanceof Error)) {
+    return failureDetails.error; // receiving instances of FailedAssertion for jest-jasmine
+  }
+  return content;
+}
+const formatResultsErrors = (testResults, config, options, testPath) => {
+  const failedResults = testResults.reduce((errors, result) => {
+    for (const [index, item] of result.failureMessages.entries()) {
+      errors.push({
+        content: item,
+        failureDetails: result.failureDetails[index],
+        result
+      });
+    }
+    return errors;
+  }, []);
+  if (failedResults.length === 0) {
+    return null;
+  }
+  return failedResults.map(({
+    result,
+    content,
+    failureDetails
+  }) => {
+    const rootErrorOrStack = failureDetailsToErrorOrStack(failureDetails, content);
+    const title = `${_chalk.default.bold.red(TITLE_INDENT + TITLE_BULLET + result.ancestorTitles.join(ANCESTRY_SEPARATOR) + (result.ancestorTitles.length > 0 ? ANCESTRY_SEPARATOR : '') + result.title)}\n`;
+    return `${title}\n${formatErrorStack(rootErrorOrStack, config, options, testPath)}`;
+  }).join('\n');
+};
+exports.formatResultsErrors = formatResultsErrors;
+const errorRegexp = /^Error:?\s*$/;
+const removeBlankErrorLine = str => str.split('\n')
+// Lines saying just `Error:` are useless
+.filter(line => !errorRegexp.test(line)).join('\n').trimEnd();
+
+// jasmine and worker farm sometimes don't give us access to the actual
+// Error object, so we have to regexp out the message from the stack string
+// to format it.
+const separateMessageFromStack = content => {
+  if (!content) {
+    return {
+      message: '',
+      stack: ''
+    };
+  }
+
+  // All lines up to what looks like a stack -- or if nothing looks like a stack
+  // (maybe it's a code frame instead), just the first non-empty line.
+  // If the error is a plain "Error:" instead of a SyntaxError or TypeError we
+  // remove the prefix from the message because it is generally not useful.
+  const messageMatch = content.match(/^(?:Error: )?([\S\s]*?(?=\n\s*at\s.*:\d*:\d*)|\s*.*)([\S\s]*)$/);
+  if (!messageMatch) {
+    // For typescript
+    throw new Error('If you hit this error, the regex above is buggy.');
+  }
+  const message = removeBlankErrorLine(messageMatch[1]);
+  const stack = removeBlankErrorLine(messageMatch[2]);
+  return {
+    message,
+    stack
+  };
+};
+exports.separateMessageFromStack = separateMessageFromStack;
+})();
+
+module.exports = __webpack_exports__;
+/******/ })()
+;

frontend/node_modules/jest-message-util/build/index.mjs

@@ -0,0 +1,10 @@
+import cjsModule from './index.js';
+
+export const formatExecError = cjsModule.formatExecError;
+export const formatPath = cjsModule.formatPath;
+export const formatResultsErrors = cjsModule.formatResultsErrors;
+export const formatStackTrace = cjsModule.formatStackTrace;
+export const getStackTraceLines = cjsModule.getStackTraceLines;
+export const getTopFrame = cjsModule.getTopFrame;
+export const indentAllLines = cjsModule.indentAllLines;
+export const separateMessageFromStack = cjsModule.separateMessageFromStack;

frontend/node_modules/jest-message-util/node_modules/ansi-styles/index.d.ts

@@ -0,0 +1,167 @@
+declare namespace ansiStyles {
+	interface CSPair {
+		/**
+		The ANSI terminal control sequence for starting this style.
+		*/
+		readonly open: string;
+
+		/**
+		The ANSI terminal control sequence for ending this style.
+		*/
+		readonly close: string;
+	}
+
+	interface ColorBase {
+		/**
+		The ANSI terminal control sequence for ending this color.
+		*/
+		readonly close: string;
+
+		ansi256(code: number): string;
+
+		ansi16m(red: number, green: number, blue: number): string;
+	}
+
+	interface Modifier {
+		/**
+		Resets the current color chain.
+		*/
+		readonly reset: CSPair;
+
+		/**
+		Make text bold.
+		*/
+		readonly bold: CSPair;
+
+		/**
+		Emitting only a small amount of light.
+		*/
+		readonly dim: CSPair;
+
+		/**
+		Make text italic. (Not widely supported)
+		*/
+		readonly italic: CSPair;
+
+		/**
+		Make text underline. (Not widely supported)
+		*/
+		readonly underline: CSPair;
+
+		/**
+		Make text overline.
+
+		Supported on VTE-based terminals, the GNOME terminal, mintty, and Git Bash.
+		*/
+		readonly overline: CSPair;
+
+		/**
+		Inverse background and foreground colors.
+		*/
+		readonly inverse: CSPair;
+
+		/**
+		Prints the text, but makes it invisible.
+		*/
+		readonly hidden: CSPair;
+
+		/**
+		Puts a horizontal line through the center of the text. (Not widely supported)
+		*/
+		readonly strikethrough: CSPair;
+	}
+
+	interface ForegroundColor {
+		readonly black: CSPair;
+		readonly red: CSPair;
+		readonly green: CSPair;
+		readonly yellow: CSPair;
+		readonly blue: CSPair;
+		readonly cyan: CSPair;
+		readonly magenta: CSPair;
+		readonly white: CSPair;
+
+		/**
+		Alias for `blackBright`.
+		*/
+		readonly gray: CSPair;
+
+		/**
+		Alias for `blackBright`.
+		*/
+		readonly grey: CSPair;
+
+		readonly blackBright: CSPair;
+		readonly redBright: CSPair;
+		readonly greenBright: CSPair;
+		readonly yellowBright: CSPair;
+		readonly blueBright: CSPair;
+		readonly cyanBright: CSPair;
+		readonly magentaBright: CSPair;
+		readonly whiteBright: CSPair;
+	}
+
+	interface BackgroundColor {
+		readonly bgBlack: CSPair;
+		readonly bgRed: CSPair;
+		readonly bgGreen: CSPair;
+		readonly bgYellow: CSPair;
+		readonly bgBlue: CSPair;
+		readonly bgCyan: CSPair;
+		readonly bgMagenta: CSPair;
+		readonly bgWhite: CSPair;
+
+		/**
+		Alias for `bgBlackBright`.
+		*/
+		readonly bgGray: CSPair;
+
+		/**
+		Alias for `bgBlackBright`.
+		*/
+		readonly bgGrey: CSPair;
+
+		readonly bgBlackBright: CSPair;
+		readonly bgRedBright: CSPair;
+		readonly bgGreenBright: CSPair;
+		readonly bgYellowBright: CSPair;
+		readonly bgBlueBright: CSPair;
+		readonly bgCyanBright: CSPair;
+		readonly bgMagentaBright: CSPair;
+		readonly bgWhiteBright: CSPair;
+	}
+
+	interface ConvertColor {
+		/**
+		Convert from the RGB color space to the ANSI 256 color space.
+
+		@param red - (`0...255`)
+		@param green - (`0...255`)
+		@param blue - (`0...255`)
+		*/
+		rgbToAnsi256(red: number, green: number, blue: number): number;
+
+		/**
+		Convert from the RGB HEX color space to the RGB color space.
+
+		@param hex - A hexadecimal string containing RGB data.
+		*/
+		hexToRgb(hex: string): [red: number, green: number, blue: number];
+
+		/**
+		Convert from the RGB HEX color space to the ANSI 256 color space.
+
+		@param hex - A hexadecimal string containing RGB data.
+		*/
+		hexToAnsi256(hex: string): number;
+	}
+}
+
+declare const ansiStyles: {
+	readonly modifier: ansiStyles.Modifier;
+	readonly color: ansiStyles.ForegroundColor & ansiStyles.ColorBase;
+	readonly bgColor: ansiStyles.BackgroundColor & ansiStyles.ColorBase;
+	readonly codes: ReadonlyMap<number, number>;
+} & ansiStyles.BackgroundColor & ansiStyles.ForegroundColor & ansiStyles.Modifier & ansiStyles.ConvertColor;
+
+export = ansiStyles;

frontend/node_modules/jest-message-util/node_modules/ansi-styles/index.js

@@ -0,0 +1,164 @@
+'use strict';
+
+const ANSI_BACKGROUND_OFFSET = 10;
+
+const wrapAnsi256 = (offset = 0) => code => `\u001B[${38 + offset};5;${code}m`;
+
+const wrapAnsi16m = (offset = 0) => (red, green, blue) => `\u001B[${38 + offset};2;${red};${green};${blue}m`;
+
+function assembleStyles() {
+	const codes = new Map();
+	const styles = {
+		modifier: {
+			reset: [0, 0],
+			// 21 isn't widely supported and 22 does the same thing
+			bold: [1, 22],
+			dim: [2, 22],
+			italic: [3, 23],
+			underline: [4, 24],
+			overline: [53, 55],
+			inverse: [7, 27],
+			hidden: [8, 28],
+			strikethrough: [9, 29]
+		},
+		color: {
+			black: [30, 39],
+			red: [31, 39],
+			green: [32, 39],
+			yellow: [33, 39],
+			blue: [34, 39],
+			magenta: [35, 39],
+			cyan: [36, 39],
+			white: [37, 39],
+
+			// Bright color
+			blackBright: [90, 39],
+			redBright: [91, 39],
+			greenBright: [92, 39],
+			yellowBright: [93, 39],
+			blueBright: [94, 39],
+			magentaBright: [95, 39],
+			cyanBright: [96, 39],
+			whiteBright: [97, 39]
+		},
+		bgColor: {
+			bgBlack: [40, 49],
+			bgRed: [41, 49],
+			bgGreen: [42, 49],
+			bgYellow: [43, 49],
+			bgBlue: [44, 49],
+			bgMagenta: [45, 49],
+			bgCyan: [46, 49],
+			bgWhite: [47, 49],
+
+			// Bright color
+			bgBlackBright: [100, 49],
+			bgRedBright: [101, 49],
+			bgGreenBright: [102, 49],
+			bgYellowBright: [103, 49],
+			bgBlueBright: [104, 49],
+			bgMagentaBright: [105, 49],
+			bgCyanBright: [106, 49],
+			bgWhiteBright: [107, 49]
+		}
+	};
+
+	// Alias bright black as gray (and grey)
+	styles.color.gray = styles.color.blackBright;
+	styles.bgColor.bgGray = styles.bgColor.bgBlackBright;
+	styles.color.grey = styles.color.blackBright;
+	styles.bgColor.bgGrey = styles.bgColor.bgBlackBright;
+
+	for (const [groupName, group] of Object.entries(styles)) {
+		for (const [styleName, style] of Object.entries(group)) {
+			styles[styleName] = {
+				open: `\u001B[${style[0]}m`,
+				close: `\u001B[${style[1]}m`
+			};
+
+			group[styleName] = styles[styleName];
+
+			codes.set(style[0], style[1]);
+		}
+
+		Object.defineProperty(styles, groupName, {
+			value: group,
+			enumerable: false
+		});
+	}
+
+	Object.defineProperty(styles, 'codes', {
+		value: codes,
+		enumerable: false
+	});
+
+	styles.color.close = '\u001B[39m';
+	styles.bgColor.close = '\u001B[49m';
+
+	styles.color.ansi256 = wrapAnsi256();
+	styles.color.ansi16m = wrapAnsi16m();
+	styles.bgColor.ansi256 = wrapAnsi256(ANSI_BACKGROUND_OFFSET);
+	styles.bgColor.ansi16m = wrapAnsi16m(ANSI_BACKGROUND_OFFSET);
+
+	// From https://github.com/Qix-/color-convert/blob/3f0e0d4e92e235796ccb17f6e85c72094a651f49/conversions.js
+	Object.defineProperties(styles, {
+		rgbToAnsi256: {
+			value: (red, green, blue) => {
+				// We use the extended greyscale palette here, with the exception of
+				// black and white. normal palette only has 4 greyscale shades.
+				if (red === green && green === blue) {
+					if (red < 8) {
+						return 16;
+					}
+
+					if (red > 248) {
+						return 231;
+					}
+
+					return Math.round(((red - 8) / 247) * 24) + 232;
+				}
+
+				return 16 +
+					(36 * Math.round(red / 255 * 5)) +
+					(6 * Math.round(green / 255 * 5)) +
+					Math.round(blue / 255 * 5);
+			},
+			enumerable: false
+		},
+		hexToRgb: {
+			value: hex => {
+				const matches = /(?<colorString>[a-f\d]{6}|[a-f\d]{3})/i.exec(hex.toString(16));
+				if (!matches) {
+					return [0, 0, 0];
+				}
+
+				let {colorString} = matches.groups;
+
+				if (colorString.length === 3) {
+					colorString = colorString.split('').map(character => character + character).join('');
+				}
+
+				const integer = Number.parseInt(colorString, 16);
+
+				return [
+					(integer >> 16) & 0xFF,
+					(integer >> 8) & 0xFF,
+					integer & 0xFF
+				];
+			},
+			enumerable: false
+		},
+		hexToAnsi256: {
+			value: hex => styles.rgbToAnsi256(...styles.hexToRgb(hex)),
+			enumerable: false
+		}
+	});
+
+	return styles;
+}
+
+// Make the export immutable
+Object.defineProperty(module, 'exports', {
+	enumerable: true,
+	get: assembleStyles
+});

frontend/node_modules/jest-message-util/node_modules/ansi-styles/license

@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

frontend/node_modules/jest-message-util/node_modules/ansi-styles/package.json

@@ -0,0 +1,52 @@
+{
+	"name": "ansi-styles",
+	"version": "5.2.0",
+	"description": "ANSI escape codes for styling strings in the terminal",
+	"license": "MIT",
+	"repository": "chalk/ansi-styles",
+	"funding": "https://github.com/chalk/ansi-styles?sponsor=1",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "https://sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=10"
+	},
+	"scripts": {
+		"test": "xo && ava && tsd",
+		"screenshot": "svg-term --command='node screenshot' --out=screenshot.svg --padding=3 --width=55 --height=3 --at=1000 --no-cursor"
+	},
+	"files": [
+		"index.js",
+		"index.d.ts"
+	],
+	"keywords": [
+		"ansi",
+		"styles",
+		"color",
+		"colour",
+		"colors",
+		"terminal",
+		"console",
+		"cli",
+		"string",
+		"tty",
+		"escape",
+		"formatting",
+		"rgb",
+		"256",
+		"shell",
+		"xterm",
+		"log",
+		"logging",
+		"command-line",
+		"text"
+	],
+	"devDependencies": {
+		"ava": "^2.4.0",
+		"svg-term-cli": "^2.1.1",
+		"tsd": "^0.14.0",
+		"xo": "^0.37.1"
+	}
+}

frontend/node_modules/jest-message-util/node_modules/ansi-styles/readme.md

@@ -0,0 +1,144 @@
+# ansi-styles
+
+> [ANSI escape codes](https://en.wikipedia.org/wiki/ANSI_escape_code#Colors_and_Styles) for styling strings in the terminal
+
+You probably want the higher-level [chalk](https://github.com/chalk/chalk) module for styling your strings.
+
+<img src="screenshot.svg" width="900">
+
+## Install
+
+```
+$ npm install ansi-styles
+```
+
+## Usage
+
+```js
+const style = require('ansi-styles');
+
+console.log(`${style.green.open}Hello world!${style.green.close}`);
+
+
+// Color conversion between 256/truecolor
+// NOTE: When converting from truecolor to 256 colors, the original color
+//       may be degraded to fit the new color palette. This means terminals
+//       that do not support 16 million colors will best-match the
+//       original color.
+console.log(`${style.color.ansi256(style.rgbToAnsi256(199, 20, 250))}Hello World${style.color.close}`)
+console.log(`${style.color.ansi16m(...style.hexToRgb('#abcdef'))}Hello World${style.color.close}`)
+```
+
+## API
+
+Each style has an `open` and `close` property.
+
+## Styles
+
+### Modifiers
+
+- `reset`
+- `bold`
+- `dim`
+- `italic` *(Not widely supported)*
+- `underline`
+- `overline` *Supported on VTE-based terminals, the GNOME terminal, mintty, and Git Bash.*
+- `inverse`
+- `hidden`
+- `strikethrough` *(Not widely supported)*
+
+### Colors
+
+- `black`
+- `red`
+- `green`
+- `yellow`
+- `blue`
+- `magenta`
+- `cyan`
+- `white`
+- `blackBright` (alias: `gray`, `grey`)
+- `redBright`
+- `greenBright`
+- `yellowBright`
+- `blueBright`
+- `magentaBright`
+- `cyanBright`
+- `whiteBright`
+
+### Background colors
+
+- `bgBlack`
+- `bgRed`
+- `bgGreen`
+- `bgYellow`
+- `bgBlue`
+- `bgMagenta`
+- `bgCyan`
+- `bgWhite`
+- `bgBlackBright` (alias: `bgGray`, `bgGrey`)
+- `bgRedBright`
+- `bgGreenBright`
+- `bgYellowBright`
+- `bgBlueBright`
+- `bgMagentaBright`
+- `bgCyanBright`
+- `bgWhiteBright`
+
+## Advanced usage
+
+By default, you get a map of styles, but the styles are also available as groups. They are non-enumerable so they don't show up unless you access them explicitly. This makes it easier to expose only a subset in a higher-level module.
+
+- `style.modifier`
+- `style.color`
+- `style.bgColor`
+
+###### Example
+
+```js
+console.log(style.color.green.open);
+```
+
+Raw escape codes (i.e. without the CSI escape prefix `\u001B[` and render mode postfix `m`) are available under `style.codes`, which returns a `Map` with the open codes as keys and close codes as values.
+
+###### Example
+
+```js
+console.log(style.codes.get(36));
+//=> 39
+```
+
+## [256 / 16 million (TrueColor) support](https://gist.github.com/XVilka/8346728)
+
+`ansi-styles` allows converting between various color formats and ANSI escapes, with support for 256 and 16 million colors.
+
+The following color spaces from `color-convert` are supported:
+
+- `rgb`
+- `hex`
+- `ansi256`
+
+To use these, call the associated conversion function with the intended output, for example:
+
+```js
+style.color.ansi256(style.rgbToAnsi256(100, 200, 15)); // RGB to 256 color ansi foreground code
+style.bgColor.ansi256(style.hexToAnsi256('#C0FFEE')); // HEX to 256 color ansi foreground code
+
+style.color.ansi16m(100, 200, 15); // RGB to 16 million color foreground code
+style.bgColor.ansi16m(...style.hexToRgb('#C0FFEE')); // Hex (RGB) to 16 million color foreground code
+```
+
+## Related
+
+- [ansi-escapes](https://github.com/sindresorhus/ansi-escapes) - ANSI escape codes for manipulating the terminal
+
+## Maintainers
+
+- [Sindre Sorhus](https://github.com/sindresorhus)
+- [Josh Junon](https://github.com/qix-)
+
+## For enterprise
+
+Available as part of the Tidelift Subscription.
+
+The maintainers of `ansi-styles` and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. [Learn more.](https://tidelift.com/subscription/pkg/npm-ansi-styles?utm_source=npm-ansi-styles&utm_medium=referral&utm_campaign=enterprise&utm_term=repo)

frontend/node_modules/jest-message-util/node_modules/pretty-format/LICENSE

@@ -0,0 +1,22 @@
+MIT License
+
+Copyright (c) Meta Platforms, Inc. and affiliates.
+Copyright Contributors to the Jest project.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

frontend/node_modules/jest-message-util/node_modules/pretty-format/README.md

@@ -0,0 +1,463 @@
+# pretty-format
+
+Stringify any JavaScript value.
+
+- Serialize built-in JavaScript types.
+- Serialize application-specific data types with built-in or user-defined plugins.
+
+## Installation
+
+```sh
+$ yarn add pretty-format
+```
+
+## Usage
+
+```js
+const {format: prettyFormat} = require('pretty-format'); // CommonJS
+```
+
+```js
+import {format as prettyFormat} from 'pretty-format'; // ES2015 modules
+```
+
+```js
+const val = {object: {}};
+val.circularReference = val;
+val[Symbol('foo')] = 'foo';
+val.map = new Map([['prop', 'value']]);
+val.array = [-0, Infinity, NaN];
+
+console.log(prettyFormat(val));
+/*
+Object {
+  "array": Array [
+    -0,
+    Infinity,
+    NaN,
+  ],
+  "circularReference": [Circular],
+  "map": Map {
+    "prop" => "value",
+  },
+  "object": Object {},
+  Symbol(foo): "foo",
+}
+*/
+```
+
+## Usage with options
+
+```js
+function onClick() {}
+
+console.log(prettyFormat(onClick));
+/*
+[Function onClick]
+*/
+
+const options = {
+  printFunctionName: false,
+};
+console.log(prettyFormat(onClick, options));
+/*
+[Function]
+*/
+```
+
+<!-- prettier-ignore -->
+| key                   | type             | default     | description                                                                             |
+| :-------------------- | :--------------- | :---------- | :-------------------------------------------------------------------------------------- |
+| `callToJSON`          | `boolean`        | `true`      | call `toJSON` method (if it exists) on objects                                          |
+| `compareKeys`         | `function\|null` | `undefined` | compare function used when sorting object keys, `null` can be used to skip over sorting |
+| `escapeRegex`         | `boolean`        | `false`     | escape special characters in regular expressions                                        |
+| `escapeString`        | `boolean`        | `true`      | escape special characters in strings                                                    |
+| `highlight`           | `boolean`        | `false`     | highlight syntax with colors in terminal (some plugins)                                 |
+| `indent`              | `number`         | `2`         | spaces in each level of indentation                                                     |
+| `maxDepth`            | `number`         | `Infinity`  | levels to print in arrays, objects, elements, and so on                                 |
+| `maxWidth`            | `number`         | `Infinity`  | number of elements to print in arrays, sets, and so on                                  |
+| `min`                 | `boolean`        | `false`     | minimize added space: no indentation nor line breaks                                    |
+| `plugins`             | `array`          | `[]`        | plugins to serialize application-specific data types                                    |
+| `printBasicPrototype` | `boolean`        | `false`     | print the prototype for plain objects and arrays                                        |
+| `printFunctionName`   | `boolean`        | `true`      | include or omit the name of a function                                                  |
+| `theme`               | `object`         |             | colors to highlight syntax in terminal                                                  |
+
+Property values of `theme` are from [ansi-styles colors](https://github.com/chalk/ansi-styles#colors)
+
+```js
+const DEFAULT_THEME = {
+  comment: 'gray',
+  content: 'reset',
+  prop: 'yellow',
+  tag: 'cyan',
+  value: 'green',
+};
+```
+
+## Usage with plugins
+
+The `pretty-format` package provides some built-in plugins, including:
+
+- `ReactElement` for elements from `react`
+- `ReactTestComponent` for test objects from `react-test-renderer`
+
+```js
+// CommonJS
+const React = require('react');
+const renderer = require('react-test-renderer');
+const {format: prettyFormat, plugins} = require('pretty-format');
+
+const {ReactElement, ReactTestComponent} = plugins;
+```
+
+```js
+// ES2015 modules and destructuring assignment
+import React from 'react';
+import renderer from 'react-test-renderer';
+import {plugins, format as prettyFormat} from 'pretty-format';
+
+const {ReactElement, ReactTestComponent} = plugins;
+```
+
+```js
+const onClick = () => {};
+const element = React.createElement('button', {onClick}, 'Hello World');
+
+const formatted1 = prettyFormat(element, {
+  plugins: [ReactElement],
+  printFunctionName: false,
+});
+const formatted2 = prettyFormat(renderer.create(element).toJSON(), {
+  plugins: [ReactTestComponent],
+  printFunctionName: false,
+});
+/*
+<button
+  onClick=[Function]
+>
+  Hello World
+</button>
+*/
+```
+
+## Usage in Jest
+
+For snapshot tests, Jest uses `pretty-format` with options that include some of its built-in plugins. For this purpose, plugins are also known as **snapshot serializers**.
+
+To serialize application-specific data types, you can add modules to `devDependencies` of a project, and then:
+
+In an **individual** test file, you can add a module as follows. It precedes any modules from Jest configuration.
+
+```js
+import serializer from 'my-serializer-module';
+expect.addSnapshotSerializer(serializer);
+
+// tests which have `expect(value).toMatchSnapshot()` assertions
+```
+
+For **all** test files, you can specify modules in Jest configuration. They precede built-in plugins for React, HTML, and Immutable.js data types. For example, in a `package.json` file:
+
+```json
+{
+  "jest": {
+    "snapshotSerializers": ["my-serializer-module"]
+  }
+}
+```
+
+## Writing plugins
+
+A plugin is a JavaScript object.
+
+If `options` has a `plugins` array: for the first plugin whose `test(val)` method returns a truthy value, then `prettyFormat(val, options)` returns the result from either:
+
+- `serialize(val, …)` method of the **improved** interface (available in **version 21** or later)
+- `print(val, …)` method of the **original** interface (if plugin does not have `serialize` method)
+
+### test
+
+Write `test` so it can receive `val` argument of any type. To serialize **objects** which have certain properties, then a guarded expression like `val != null && …` or more concise `val && …` prevents the following errors:
+
+- `TypeError: Cannot read property 'whatever' of null`
+- `TypeError: Cannot read property 'whatever' of undefined`
+
+For example, `test` method of built-in `ReactElement` plugin:
+
+```js
+const elementSymbol = Symbol.for('react.element');
+const test = val => val && val.$$typeof === elementSymbol;
+```
+
+Pay attention to efficiency in `test` because `pretty-format` calls it often.
+
+### serialize
+
+The **improved** interface is available in **version 21** or later.
+
+Write `serialize` to return a string, given the arguments:
+
+- `val` which “passed the test”
+- unchanging `config` object: derived from `options`
+- current `indentation` string: concatenate to `indent` from `config`
+- current `depth` number: compare to `maxDepth` from `config`
+- current `refs` array: find circular references in objects
+- `printer` callback function: serialize children
+
+### config
+
+<!-- prettier-ignore -->
+| key                 | type             | description                                                                             |
+| :------------------ | :--------------- | :-------------------------------------------------------------------------------------- |
+| `callToJSON`        | `boolean`        | call `toJSON` method (if it exists) on objects                                          |
+| `compareKeys`       | `function\|null` | compare function used when sorting object keys, `null` can be used to skip over sorting |
+| `colors`            | `Object`         | escape codes for colors to highlight syntax                                             |
+| `escapeRegex`       | `boolean`        | escape special characters in regular expressions                                        |
+| `escapeString`      | `boolean`        | escape special characters in strings                                                    |
+| `indent`            | `string`         | spaces in each level of indentation                                                     |
+| `maxDepth`          | `number`         | levels to print in arrays, objects, elements, and so on                                 |
+| `min`               | `boolean`        | minimize added space: no indentation nor line breaks                                    |
+| `plugins`           | `array`          | plugins to serialize application-specific data types                                    |
+| `printFunctionName` | `boolean`        | include or omit the name of a function                                                  |
+| `spacingInner`      | `string`         | spacing to separate items in a list                                                     |
+| `spacingOuter`      | `string`         | spacing to enclose a list of items                                                      |
+
+Each property of `colors` in `config` corresponds to a property of `theme` in `options`:
+
+- the key is the same (for example, `tag`)
+- the value in `colors` is a object with `open` and `close` properties whose values are escape codes from [ansi-styles](https://github.com/chalk/ansi-styles) for the color value in `theme` (for example, `'cyan'`)
+
+Some properties in `config` are derived from `min` in `options`:
+
+- `spacingInner` and `spacingOuter` are **newline** if `min` is `false`
+- `spacingInner` is **space** and `spacingOuter` is **empty string** if `min` is `true`
+
+### Example of serialize and test
+
+This plugin is a pattern you can apply to serialize composite data types. Side note: `pretty-format` does not need a plugin to serialize arrays.
+
+```js
+// We reused more code when we factored out a function for child items
+// that is independent of depth, name, and enclosing punctuation (see below).
+const SEPARATOR = ',';
+function serializeItems(items, config, indentation, depth, refs, printer) {
+  if (items.length === 0) {
+    return '';
+  }
+  const indentationItems = indentation + config.indent;
+  return (
+    config.spacingOuter +
+    items
+      .map(
+        item =>
+          indentationItems +
+          printer(item, config, indentationItems, depth, refs), // callback
+      )
+      .join(SEPARATOR + config.spacingInner) +
+    (config.min ? '' : SEPARATOR) + // following the last item
+    config.spacingOuter +
+    indentation
+  );
+}
+
+const plugin = {
+  test(val) {
+    return Array.isArray(val);
+  },
+  serialize(array, config, indentation, depth, refs, printer) {
+    const name = array.constructor.name;
+    return ++depth > config.maxDepth
+      ? `[${name}]`
+      : `${config.min ? '' : `${name} `}[${serializeItems(
+          array,
+          config,
+          indentation,
+          depth,
+          refs,
+          printer,
+        )}]`;
+  },
+};
+```
+
+```js
+const val = {
+  filter: 'completed',
+  items: [
+    {
+      text: 'Write test',
+      completed: true,
+    },
+    {
+      text: 'Write serialize',
+      completed: true,
+    },
+  ],
+};
+```
+
+```js
+console.log(
+  prettyFormat(val, {
+    plugins: [plugin],
+  }),
+);
+/*
+Object {
+  "filter": "completed",
+  "items": Array [
+    Object {
+      "completed": true,
+      "text": "Write test",
+    },
+    Object {
+      "completed": true,
+      "text": "Write serialize",
+    },
+  ],
+}
+*/
+```
+
+```js
+console.log(
+  prettyFormat(val, {
+    indent: 4,
+    plugins: [plugin],
+  }),
+);
+/*
+Object {
+    "filter": "completed",
+    "items": Array [
+        Object {
+            "completed": true,
+            "text": "Write test",
+        },
+        Object {
+            "completed": true,
+            "text": "Write serialize",
+        },
+    ],
+}
+*/
+```
+
+```js
+console.log(
+  prettyFormat(val, {
+    maxDepth: 1,
+    plugins: [plugin],
+  }),
+);
+/*
+Object {
+  "filter": "completed",
+  "items": [Array],
+}
+*/
+```
+
+```js
+console.log(
+  prettyFormat(val, {
+    min: true,
+    plugins: [plugin],
+  }),
+);
+/*
+{"filter": "completed", "items": [{"completed": true, "text": "Write test"}, {"completed": true, "text": "Write serialize"}]}
+*/
+```
+
+### print
+
+The **original** interface is adequate for plugins:
+
+- that **do not** depend on options other than `highlight` or `min`
+- that **do not** depend on `depth` or `refs` in recursive traversal, and
+- if values either
+  - do **not** require indentation, or
+  - do **not** occur as children of JavaScript data structures (for example, array)
+
+Write `print` to return a string, given the arguments:
+
+- `val` which “passed the test”
+- current `printer(valChild)` callback function: serialize children
+- current `indenter(lines)` callback function: indent lines at the next level
+- unchanging `config` object: derived from `options`
+- unchanging `colors` object: derived from `options`
+
+The 3 properties of `config` are `min` in `options` and:
+
+- `spacing` and `edgeSpacing` are **newline** if `min` is `false`
+- `spacing` is **space** and `edgeSpacing` is **empty string** if `min` is `true`
+
+Each property of `colors` corresponds to a property of `theme` in `options`:
+
+- the key is the same (for example, `tag`)
+- the value in `colors` is a object with `open` and `close` properties whose values are escape codes from [ansi-styles](https://github.com/chalk/ansi-styles) for the color value in `theme` (for example, `'cyan'`)
+
+### Example of print and test
+
+This plugin prints functions with the **number of named arguments** excluding rest argument.
+
+```js
+const plugin = {
+  print(val) {
+    return `[Function ${val.name || 'anonymous'} ${val.length}]`;
+  },
+  test(val) {
+    return typeof val === 'function';
+  },
+};
+```
+
+```js
+const val = {
+  onClick(event) {},
+  render() {},
+};
+
+prettyFormat(val, {
+  plugins: [plugin],
+});
+/*
+Object {
+  "onClick": [Function onClick 1],
+  "render": [Function render 0],
+}
+*/
+
+prettyFormat(val);
+/*
+Object {
+  "onClick": [Function onClick],
+  "render": [Function render],
+}
+*/
+```
+
+This plugin **ignores** the `printFunctionName` option. That limitation of the original `print` interface is a reason to use the improved `serialize` interface, described above.
+
+```js
+prettyFormat(val, {
+  plugins: [pluginOld],
+  printFunctionName: false,
+});
+/*
+Object {
+  "onClick": [Function onClick 1],
+  "render": [Function render 0],
+}
+*/
+
+prettyFormat(val, {
+  printFunctionName: false,
+});
+/*
+Object {
+  "onClick": [Function],
+  "render": [Function],
+}
+*/
+```

frontend/node_modules/jest-message-util/node_modules/pretty-format/build/index.d.ts

@@ -0,0 +1,164 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import {SnapshotFormat} from '@jest/schemas';
+
+export declare type Colors = {
+  comment: {
+    close: string;
+    open: string;
+  };
+  content: {
+    close: string;
+    open: string;
+  };
+  prop: {
+    close: string;
+    open: string;
+  };
+  tag: {
+    close: string;
+    open: string;
+  };
+  value: {
+    close: string;
+    open: string;
+  };
+};
+
+export declare type CompareKeys =
+  | ((a: string, b: string) => number)
+  | null
+  | undefined;
+
+export declare type Config = {
+  callToJSON: boolean;
+  compareKeys: CompareKeys;
+  colors: Colors;
+  escapeRegex: boolean;
+  escapeString: boolean;
+  indent: string;
+  maxDepth: number;
+  maxWidth: number;
+  min: boolean;
+  plugins: Plugins;
+  printBasicPrototype: boolean;
+  printFunctionName: boolean;
+  spacingInner: string;
+  spacingOuter: string;
+};
+
+export declare const DEFAULT_OPTIONS: {
+  callToJSON: true;
+  compareKeys: undefined;
+  escapeRegex: false;
+  escapeString: true;
+  highlight: false;
+  indent: number;
+  maxDepth: number;
+  maxWidth: number;
+  min: false;
+  plugins: Array<never>;
+  printBasicPrototype: true;
+  printFunctionName: true;
+  theme: Required<{
+    comment?: string | undefined;
+    content?: string | undefined;
+    prop?: string | undefined;
+    tag?: string | undefined;
+    value?: string | undefined;
+  }>;
+};
+
+/**
+ * Returns a presentation string of your `val` object
+ * @param val any potential JavaScript object
+ * @param options Custom settings
+ */
+declare function format(val: unknown, options?: OptionsReceived): string;
+export default format;
+export {format};
+
+declare type Indent = (arg0: string) => string;
+
+export declare type NewPlugin = {
+  serialize: (
+    val: any,
+    config: Config,
+    indentation: string,
+    depth: number,
+    refs: Refs,
+    printer: Printer,
+  ) => string;
+  test: Test;
+};
+
+export declare type OldPlugin = {
+  print: (
+    val: unknown,
+    print: Print,
+    indent: Indent,
+    options: PluginOptions,
+    colors: Colors,
+  ) => string;
+  test: Test;
+};
+
+export declare interface Options
+  extends Omit<RequiredOptions, 'compareKeys' | 'theme'> {
+  compareKeys: CompareKeys;
+  theme: Required<RequiredOptions['theme']>;
+}
+
+export declare type OptionsReceived = PrettyFormatOptions;
+
+declare type Plugin_2 = NewPlugin | OldPlugin;
+export {Plugin_2 as Plugin};
+
+declare type PluginOptions = {
+  edgeSpacing: string;
+  min: boolean;
+  spacing: string;
+};
+
+export declare type Plugins = Array<Plugin_2>;
+
+export declare const plugins: {
+  AsymmetricMatcher: NewPlugin;
+  DOMCollection: NewPlugin;
+  DOMElement: NewPlugin;
+  Immutable: NewPlugin;
+  ReactElement: NewPlugin;
+  ReactTestComponent: NewPlugin;
+};
+
+export declare interface PrettyFormatOptions
+  extends Omit<SnapshotFormat, 'compareKeys'> {
+  compareKeys?: CompareKeys;
+  plugins?: Plugins;
+}
+
+declare type Print = (arg0: unknown) => string;
+
+export declare type Printer = (
+  val: unknown,
+  config: Config,
+  indentation: string,
+  depth: number,
+  refs: Refs,
+  hasCalledToJSON?: boolean,
+) => string;
+
+export declare type Refs = Array<unknown>;
+
+declare type RequiredOptions = Required<PrettyFormatOptions>;
+
+declare type Test = (arg0: any) => boolean;
+
+export declare type Theme = Options['theme'];
+
+export {};

frontend/node_modules/jest-message-util/node_modules/pretty-format/build/index.mjs

@@ -0,0 +1,6 @@
+import cjsModule from './index.js';
+
+export const DEFAULT_OPTIONS = cjsModule.DEFAULT_OPTIONS;
+export const format = cjsModule.format;
+export const plugins = cjsModule.plugins;
+export default cjsModule.default;

frontend/node_modules/jest-message-util/node_modules/pretty-format/package.json

@@ -0,0 +1,45 @@
+{
+  "name": "pretty-format",
+  "version": "30.0.2",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/jestjs/jest.git",
+    "directory": "packages/pretty-format"
+  },
+  "license": "MIT",
+  "description": "Stringify any JavaScript value.",
+  "main": "./build/index.js",
+  "types": "./build/index.d.ts",
+  "exports": {
+    ".": {
+      "types": "./build/index.d.ts",
+      "require": "./build/index.js",
+      "import": "./build/index.mjs",
+      "default": "./build/index.js"
+    },
+    "./package.json": "./package.json"
+  },
+  "author": "James Kyle <me@thejameskyle.com>",
+  "dependencies": {
+    "@jest/schemas": "30.0.1",
+    "ansi-styles": "^5.2.0",
+    "react-is": "^18.3.1"
+  },
+  "devDependencies": {
+    "@types/react": "^18.3.23",
+    "@types/react-is": "^18.3.1",
+    "@types/react-test-renderer": "^18.3.1",
+    "immutable": "^5.1.2",
+    "jest-util": "30.0.2",
+    "react": "18.3.1",
+    "react-dom": "18.3.1",
+    "react-test-renderer": "18.3.1"
+  },
+  "engines": {
+    "node": "^18.14.0 || ^20.0.0 || ^22.0.0 || >=24.0.0"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "gitHead": "393acbfac31f64bb38dff23c89224797caded83c"
+}

frontend/node_modules/jest-message-util/package.json

@@ -0,0 +1,45 @@
+{
+  "name": "jest-message-util",
+  "version": "30.0.2",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/jestjs/jest.git",
+    "directory": "packages/jest-message-util"
+  },
+  "engines": {
+    "node": "^18.14.0 || ^20.0.0 || ^22.0.0 || >=24.0.0"
+  },
+  "license": "MIT",
+  "main": "./build/index.js",
+  "types": "./build/index.d.ts",
+  "exports": {
+    ".": {
+      "types": "./build/index.d.ts",
+      "require": "./build/index.js",
+      "import": "./build/index.mjs",
+      "default": "./build/index.js"
+    },
+    "./package.json": "./package.json"
+  },
+  "dependencies": {
+    "@babel/code-frame": "^7.27.1",
+    "@jest/types": "30.0.1",
+    "@types/stack-utils": "^2.0.3",
+    "chalk": "^4.1.2",
+    "graceful-fs": "^4.2.11",
+    "micromatch": "^4.0.8",
+    "pretty-format": "30.0.2",
+    "slash": "^3.0.0",
+    "stack-utils": "^2.0.6"
+  },
+  "devDependencies": {
+    "@types/babel__code-frame": "^7.0.6",
+    "@types/graceful-fs": "^4.1.9",
+    "@types/micromatch": "^4.0.9",
+    "tempy": "^1.0.1"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "gitHead": "393acbfac31f64bb38dff23c89224797caded83c"
+}