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/tldts/dist/cjs/src/suffix-trie.js

@@ -0,0 +1,67 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.default = suffixLookup;
+const tldts_core_1 = require("tldts-core");
+const trie_1 = require("./data/trie");
+/**
+ * Lookup parts of domain in Trie
+ */
+function lookupInTrie(parts, trie, index, allowedMask) {
+    let result = null;
+    let node = trie;
+    while (node !== undefined) {
+        // We have a match!
+        if ((node[0] & allowedMask) !== 0) {
+            result = {
+                index: index + 1,
+                isIcann: node[0] === 1 /* RULE_TYPE.ICANN */,
+                isPrivate: node[0] === 2 /* RULE_TYPE.PRIVATE */,
+            };
+        }
+        // No more `parts` to look for
+        if (index === -1) {
+            break;
+        }
+        const succ = node[1];
+        node = Object.prototype.hasOwnProperty.call(succ, parts[index])
+            ? succ[parts[index]]
+            : succ['*'];
+        index -= 1;
+    }
+    return result;
+}
+/**
+ * Check if `hostname` has a valid public suffix in `trie`.
+ */
+function suffixLookup(hostname, options, out) {
+    var _a;
+    if ((0, tldts_core_1.fastPathLookup)(hostname, options, out)) {
+        return;
+    }
+    const hostnameParts = hostname.split('.');
+    const allowedMask = (options.allowPrivateDomains ? 2 /* RULE_TYPE.PRIVATE */ : 0) |
+        (options.allowIcannDomains ? 1 /* RULE_TYPE.ICANN */ : 0);
+    // Look for exceptions
+    const exceptionMatch = lookupInTrie(hostnameParts, trie_1.exceptions, hostnameParts.length - 1, allowedMask);
+    if (exceptionMatch !== null) {
+        out.isIcann = exceptionMatch.isIcann;
+        out.isPrivate = exceptionMatch.isPrivate;
+        out.publicSuffix = hostnameParts.slice(exceptionMatch.index + 1).join('.');
+        return;
+    }
+    // Look for a match in rules
+    const rulesMatch = lookupInTrie(hostnameParts, trie_1.rules, hostnameParts.length - 1, allowedMask);
+    if (rulesMatch !== null) {
+        out.isIcann = rulesMatch.isIcann;
+        out.isPrivate = rulesMatch.isPrivate;
+        out.publicSuffix = hostnameParts.slice(rulesMatch.index).join('.');
+        return;
+    }
+    // No match found...
+    // Prevailing rule is '*' so we consider the top-level domain to be the
+    // public suffix of `hostname` (e.g.: 'example.org' => 'org').
+    out.isIcann = false;
+    out.isPrivate = false;
+    out.publicSuffix = (_a = hostnameParts[hostnameParts.length - 1]) !== null && _a !== void 0 ? _a : null;
+}
+//# sourceMappingURL=suffix-trie.js.map

frontend/node_modules/tldts/dist/cjs/src/suffix-trie.js.map

@@ -0,0 +1 @@
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frontend/node_modules/tldts/dist/es6/index.js

@@ -0,0 +1,33 @@
+import { getEmptyResult, parseImpl, resetResult, } from 'tldts-core';
+import suffixLookup from './src/suffix-trie';
+// For all methods but 'parse', it does not make sense to allocate an object
+// every single time to only return the value of a specific attribute. To avoid
+// this un-necessary allocation, we use a global object which is re-used.
+const RESULT = getEmptyResult();
+export function parse(url, options = {}) {
+    return parseImpl(url, 5 /* FLAG.ALL */, suffixLookup, options, getEmptyResult());
+}
+export function getHostname(url, options = {}) {
+    /*@__INLINE__*/ resetResult(RESULT);
+    return parseImpl(url, 0 /* FLAG.HOSTNAME */, suffixLookup, options, RESULT).hostname;
+}
+export function getPublicSuffix(url, options = {}) {
+    /*@__INLINE__*/ resetResult(RESULT);
+    return parseImpl(url, 2 /* FLAG.PUBLIC_SUFFIX */, suffixLookup, options, RESULT)
+        .publicSuffix;
+}
+export function getDomain(url, options = {}) {
+    /*@__INLINE__*/ resetResult(RESULT);
+    return parseImpl(url, 3 /* FLAG.DOMAIN */, suffixLookup, options, RESULT).domain;
+}
+export function getSubdomain(url, options = {}) {
+    /*@__INLINE__*/ resetResult(RESULT);
+    return parseImpl(url, 4 /* FLAG.SUB_DOMAIN */, suffixLookup, options, RESULT)
+        .subdomain;
+}
+export function getDomainWithoutSuffix(url, options = {}) {
+    /*@__INLINE__*/ resetResult(RESULT);
+    return parseImpl(url, 5 /* FLAG.ALL */, suffixLookup, options, RESULT)
+        .domainWithoutSuffix;
+}
+//# sourceMappingURL=index.js.map

frontend/node_modules/tldts/dist/es6/index.js.map

@@ -0,0 +1 @@
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frontend/node_modules/tldts/dist/es6/src/suffix-trie.js

@@ -0,0 +1,64 @@
+import { fastPathLookup, } from 'tldts-core';
+import { exceptions, rules } from './data/trie';
+/**
+ * Lookup parts of domain in Trie
+ */
+function lookupInTrie(parts, trie, index, allowedMask) {
+    let result = null;
+    let node = trie;
+    while (node !== undefined) {
+        // We have a match!
+        if ((node[0] & allowedMask) !== 0) {
+            result = {
+                index: index + 1,
+                isIcann: node[0] === 1 /* RULE_TYPE.ICANN */,
+                isPrivate: node[0] === 2 /* RULE_TYPE.PRIVATE */,
+            };
+        }
+        // No more `parts` to look for
+        if (index === -1) {
+            break;
+        }
+        const succ = node[1];
+        node = Object.prototype.hasOwnProperty.call(succ, parts[index])
+            ? succ[parts[index]]
+            : succ['*'];
+        index -= 1;
+    }
+    return result;
+}
+/**
+ * Check if `hostname` has a valid public suffix in `trie`.
+ */
+export default function suffixLookup(hostname, options, out) {
+    var _a;
+    if (fastPathLookup(hostname, options, out)) {
+        return;
+    }
+    const hostnameParts = hostname.split('.');
+    const allowedMask = (options.allowPrivateDomains ? 2 /* RULE_TYPE.PRIVATE */ : 0) |
+        (options.allowIcannDomains ? 1 /* RULE_TYPE.ICANN */ : 0);
+    // Look for exceptions
+    const exceptionMatch = lookupInTrie(hostnameParts, exceptions, hostnameParts.length - 1, allowedMask);
+    if (exceptionMatch !== null) {
+        out.isIcann = exceptionMatch.isIcann;
+        out.isPrivate = exceptionMatch.isPrivate;
+        out.publicSuffix = hostnameParts.slice(exceptionMatch.index + 1).join('.');
+        return;
+    }
+    // Look for a match in rules
+    const rulesMatch = lookupInTrie(hostnameParts, rules, hostnameParts.length - 1, allowedMask);
+    if (rulesMatch !== null) {
+        out.isIcann = rulesMatch.isIcann;
+        out.isPrivate = rulesMatch.isPrivate;
+        out.publicSuffix = hostnameParts.slice(rulesMatch.index).join('.');
+        return;
+    }
+    // No match found...
+    // Prevailing rule is '*' so we consider the top-level domain to be the
+    // public suffix of `hostname` (e.g.: 'example.org' => 'org').
+    out.isIcann = false;
+    out.isPrivate = false;
+    out.publicSuffix = (_a = hostnameParts[hostnameParts.length - 1]) !== null && _a !== void 0 ? _a : null;
+}
+//# sourceMappingURL=suffix-trie.js.map

frontend/node_modules/tldts/dist/es6/src/suffix-trie.js.map

@@ -0,0 +1 @@
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frontend/node_modules/tldts/dist/types/index.d.ts

@@ -0,0 +1,7 @@
+import { IOptions, IResult } from 'tldts-core';
+export declare function parse(url: string, options?: Partial<IOptions>): IResult;
+export declare function getHostname(url: string, options?: Partial<IOptions>): string | null;
+export declare function getPublicSuffix(url: string, options?: Partial<IOptions>): string | null;
+export declare function getDomain(url: string, options?: Partial<IOptions>): string | null;
+export declare function getSubdomain(url: string, options?: Partial<IOptions>): string | null;
+export declare function getDomainWithoutSuffix(url: string, options?: Partial<IOptions>): string | null;

frontend/node_modules/tldts/dist/types/src/data/trie.d.ts

@@ -0,0 +1,5 @@
+export type ITrie = [0 | 1 | 2, {
+    [label: string]: ITrie;
+}];
+export declare const exceptions: ITrie;
+export declare const rules: ITrie;

frontend/node_modules/tldts/dist/types/src/suffix-trie.d.ts

@@ -0,0 +1,5 @@
+import { IPublicSuffix, ISuffixLookupOptions } from 'tldts-core';
+/**
+ * Check if `hostname` has a valid public suffix in `trie`.
+ */
+export default function suffixLookup(hostname: string, options: ISuffixLookupOptions, out: IPublicSuffix): void;