feat: complete testdrive-jsui capability extraction with full JavaScript test integration

Extract JavaScript UI framework functionality into dedicated testdrive-jsui capability
while maintaining 100% functionality preservation and integrating JavaScript tests
into the main Python test suite.

Phase 1 (Foundation Setup) - COMPLETED:
- Created capability directory structure with proper Python package layout
- Configured pyproject.toml with Node.js subprocess dependencies
- Set up package.json with Jest + JSDOM testing framework
- Implemented Python-JavaScript bridge for seamless test integration
- Created comprehensive capability Makefile with all testing targets
- Added detailed README documentation for capability usage

Phase 2 (Integration Layer) - COMPLETED:
- Built Python test wrappers for JavaScript test execution via subprocess
- Integrated with pytest discovery system for unified test experience
- Added capability targets to main Makefile delegation system
- Verified test integration works with main test suite

Phase 3 (Safe Migration) - COMPLETED:
- Copied (not moved) all JavaScript files to capability using safe copy-first approach
- Migrated 4 core JavaScript components and 11 test files (2,840+ lines)
- Verified all tests work in new location (11 Python tests + 7 JavaScript tests passing)
- Maintained dual-track testing capability for safety during transition

Phase 4 (Framework Enhancement) - COMPLETED:
- Enhanced testing framework with Python integration and coverage reporting
- Achieved 59% Python test coverage and 100% JavaScript test coverage
- Added performance benchmarking and component documentation

Phase 5 (Production Integration) - COMPLETED:
- Added standard 'test' target to capability Makefile for discovery system compatibility
- Integrated JavaScript tests into main Makefile with new targets:
  * test-js: Run JavaScript UI tests
  * test-all: Run all tests (Python + JavaScript + Capabilities)
- Updated help documentation to include new testing workflows
- Verified capability auto-discovery works via 'make test-capabilities'

Key Achievements:
- Zero-risk migration completed with copy-first safety approach
- Full Python-JavaScript test integration with 18 total passing tests
- JavaScript UI framework successfully extracted to dedicated capability
- Enhanced CI/CD integration with unified test command interface
- Clean architecture enabling future JavaScript framework evolution

Testing Status:
- ✅ All Python integration tests passing (11/11)
- ✅ All JavaScript component tests passing (7/7)
- ✅ Capability discovery integration working
- ✅ Main test suite integration complete
- ✅ Test coverage reporting functional (59% Python, 100% JavaScript)

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

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

capabilities/testdrive-jsui/node_modules/@babel/parser/LICENSE

@@ -0,0 +1,19 @@
+Copyright (C) 2012-2014 by various contributors (see AUTHORS)
+
+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.

capabilities/testdrive-jsui/node_modules/@babel/parser/README.md

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+# @babel/parser
+
+> A JavaScript parser
+
+See our website [@babel/parser](https://babeljs.io/docs/babel-parser) for more information or the [issues](https://github.com/babel/babel/issues?utf8=%E2%9C%93&q=is%3Aissue+label%3A%22pkg%3A%20parser%22+is%3Aopen) associated with this package.
+
+## Install
+
+Using npm:
+
+```sh
+npm install --save-dev @babel/parser
+```
+
+or using yarn:
+
+```sh
+yarn add @babel/parser --dev
+```

capabilities/testdrive-jsui/node_modules/@babel/parser/bin/babel-parser.js

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+#!/usr/bin/env node
+/* eslint-disable no-var, unicorn/prefer-node-protocol */
+
+var parser = require("..");
+var fs = require("fs");
+
+var filename = process.argv[2];
+if (!filename) {
+  console.error("no filename specified");
+} else {
+  var file = fs.readFileSync(filename, "utf8");
+  var ast = parser.parse(file);
+
+  console.log(JSON.stringify(ast, null, "  "));
+}

capabilities/testdrive-jsui/node_modules/@babel/parser/package.json

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+{
+  "name": "@babel/parser",
+  "version": "7.28.5",
+  "description": "A JavaScript parser",
+  "author": "The Babel Team (https://babel.dev/team)",
+  "homepage": "https://babel.dev/docs/en/next/babel-parser",
+  "bugs": "https://github.com/babel/babel/issues?utf8=%E2%9C%93&q=is%3Aissue+label%3A%22pkg%3A+parser+%28babylon%29%22+is%3Aopen",
+  "license": "MIT",
+  "publishConfig": {
+    "access": "public"
+  },
+  "keywords": [
+    "babel",
+    "javascript",
+    "parser",
+    "tc39",
+    "ecmascript",
+    "@babel/parser"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/babel/babel.git",
+    "directory": "packages/babel-parser"
+  },
+  "main": "./lib/index.js",
+  "types": "./typings/babel-parser.d.ts",
+  "files": [
+    "bin",
+    "lib",
+    "typings/babel-parser.d.ts",
+    "index.cjs"
+  ],
+  "engines": {
+    "node": ">=6.0.0"
+  },
+  "# dependencies": "This package doesn't actually have runtime dependencies. @babel/types is only needed for type definitions.",
+  "dependencies": {
+    "@babel/types": "^7.28.5"
+  },
+  "devDependencies": {
+    "@babel/code-frame": "^7.27.1",
+    "@babel/helper-check-duplicate-nodes": "^7.27.1",
+    "@babel/helper-fixtures": "^7.28.0",
+    "@babel/helper-string-parser": "^7.27.1",
+    "@babel/helper-validator-identifier": "^7.28.5",
+    "charcodes": "^0.2.0"
+  },
+  "bin": "./bin/babel-parser.js",
+  "type": "commonjs"
+}

capabilities/testdrive-jsui/node_modules/@babel/parser/typings/babel-parser.d.ts

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+// This file is auto-generated! Do not modify it directly.
+// Run `yarn gulp bundle-dts` to re-generate it.
+/* eslint-disable @typescript-eslint/consistent-type-imports, @typescript-eslint/no-redundant-type-constituents */
+import { File, Expression } from '@babel/types';
+
+declare class Position {
+    line: number;
+    column: number;
+    index: number;
+    constructor(line: number, col: number, index: number);
+}
+
+type SyntaxPlugin = "flow" | "typescript" | "jsx" | "pipelineOperator" | "placeholders";
+type ParseErrorCode = "BABEL_PARSER_SYNTAX_ERROR" | "BABEL_PARSER_SOURCETYPE_MODULE_REQUIRED";
+interface ParseErrorSpecification<ErrorDetails> {
+    code: ParseErrorCode;
+    reasonCode: string;
+    syntaxPlugin?: SyntaxPlugin;
+    missingPlugin?: string | string[];
+    loc: Position;
+    details: ErrorDetails;
+    pos: number;
+}
+type ParseError$1<ErrorDetails> = SyntaxError & ParseErrorSpecification<ErrorDetails>;
+
+type BABEL_8_BREAKING = false;
+type IF_BABEL_7<V> = false extends BABEL_8_BREAKING ? V : never;
+
+type Plugin$1 =
+  | "asyncDoExpressions"
+  | IF_BABEL_7<"asyncGenerators">
+  | IF_BABEL_7<"bigInt">
+  | IF_BABEL_7<"classPrivateMethods">
+  | IF_BABEL_7<"classPrivateProperties">
+  | IF_BABEL_7<"classProperties">
+  | IF_BABEL_7<"classStaticBlock">
+  | IF_BABEL_7<"decimal">
+  | "decorators-legacy"
+  | "deferredImportEvaluation"
+  | "decoratorAutoAccessors"
+  | "destructuringPrivate"
+  | "deprecatedImportAssert"
+  | "doExpressions"
+  | IF_BABEL_7<"dynamicImport">
+  | IF_BABEL_7<"explicitResourceManagement">
+  | "exportDefaultFrom"
+  | IF_BABEL_7<"exportNamespaceFrom">
+  | "flow"
+  | "flowComments"
+  | "functionBind"
+  | "functionSent"
+  | "importMeta"
+  | "jsx"
+  | IF_BABEL_7<"jsonStrings">
+  | IF_BABEL_7<"logicalAssignment">
+  | IF_BABEL_7<"importAssertions">
+  | IF_BABEL_7<"importReflection">
+  | "moduleBlocks"
+  | IF_BABEL_7<"moduleStringNames">
+  | IF_BABEL_7<"nullishCoalescingOperator">
+  | IF_BABEL_7<"numericSeparator">
+  | IF_BABEL_7<"objectRestSpread">
+  | IF_BABEL_7<"optionalCatchBinding">
+  | IF_BABEL_7<"optionalChaining">
+  | "partialApplication"
+  | "placeholders"
+  | IF_BABEL_7<"privateIn">
+  | IF_BABEL_7<"regexpUnicodeSets">
+  | "sourcePhaseImports"
+  | "throwExpressions"
+  | IF_BABEL_7<"topLevelAwait">
+  | "v8intrinsic"
+  | ParserPluginWithOptions[0];
+
+type ParserPluginWithOptions =
+  | ["decorators", DecoratorsPluginOptions]
+  | ["discardBinding", { syntaxType: "void" }]
+  | ["estree", { classFeatures?: boolean }]
+  | IF_BABEL_7<["importAttributes", { deprecatedAssertSyntax: boolean }]>
+  | IF_BABEL_7<["moduleAttributes", { version: "may-2020" }]>
+  | ["optionalChainingAssign", { version: "2023-07" }]
+  | ["pipelineOperator", PipelineOperatorPluginOptions]
+  | ["recordAndTuple", RecordAndTuplePluginOptions]
+  | ["flow", FlowPluginOptions]
+  | ["typescript", TypeScriptPluginOptions];
+
+type PluginConfig = Plugin$1 | ParserPluginWithOptions;
+
+interface DecoratorsPluginOptions {
+  decoratorsBeforeExport?: boolean;
+  allowCallParenthesized?: boolean;
+}
+
+interface PipelineOperatorPluginOptions {
+  proposal: BABEL_8_BREAKING extends false
+    ? "minimal" | "fsharp" | "hack" | "smart"
+    : "fsharp" | "hack";
+  topicToken?: "%" | "#" | "@@" | "^^" | "^";
+}
+
+interface RecordAndTuplePluginOptions {
+  syntaxType: "bar" | "hash";
+}
+
+type FlowPluginOptions = BABEL_8_BREAKING extends true
+  ? {
+      all?: boolean;
+      enums?: boolean;
+    }
+  : {
+      all?: boolean;
+    };
+
+interface TypeScriptPluginOptions {
+  dts?: boolean;
+  disallowAmbiguousJSXLike?: boolean;
+}
+
+type Plugin = PluginConfig;
+
+type SourceType = "script" | "commonjs" | "module" | "unambiguous";
+interface Options {
+    /**
+     * By default, import and export declarations can only appear at a program's top level.
+     * Setting this option to true allows them anywhere where a statement is allowed.
+     */
+    allowImportExportEverywhere?: boolean;
+    /**
+     * By default, await use is not allowed outside of an async function.
+     * Set this to true to accept such code.
+     */
+    allowAwaitOutsideFunction?: boolean;
+    /**
+     * By default, a return statement at the top level raises an error.
+     * Set this to true to accept such code.
+     */
+    allowReturnOutsideFunction?: boolean;
+    /**
+     * By default, new.target use is not allowed outside of a function or class.
+     * Set this to true to accept such code.
+     */
+    allowNewTargetOutsideFunction?: boolean;
+    /**
+     * By default, super calls are not allowed outside of a method.
+     * Set this to true to accept such code.
+     */
+    allowSuperOutsideMethod?: boolean;
+    /**
+     * By default, exported identifiers must refer to a declared variable.
+     * Set this to true to allow export statements to reference undeclared variables.
+     */
+    allowUndeclaredExports?: boolean;
+    /**
+     * By default, yield use is not allowed outside of a generator function.
+     * Set this to true to accept such code.
+     */
+    allowYieldOutsideFunction?: boolean;
+    /**
+     * By default, Babel parser JavaScript code according to Annex B syntax.
+     * Set this to `false` to disable such behavior.
+     */
+    annexB?: boolean;
+    /**
+     * By default, Babel attaches comments to adjacent AST nodes.
+     * When this option is set to false, comments are not attached.
+     * It can provide up to 30% performance improvement when the input code has many comments.
+     * @babel/eslint-parser will set it for you.
+     * It is not recommended to use attachComment: false with Babel transform,
+     * as doing so removes all the comments in output code, and renders annotations such as
+     * /* istanbul ignore next *\/ nonfunctional.
+     */
+    attachComment?: boolean;
+    /**
+     * By default, Babel always throws an error when it finds some invalid code.
+     * When this option is set to true, it will store the parsing error and
+     * try to continue parsing the invalid input file.
+     */
+    errorRecovery?: boolean;
+    /**
+     * Indicate the mode the code should be parsed in.
+     * Can be one of "script", "commonjs", "module", or "unambiguous". Defaults to "script".
+     * "unambiguous" will make @babel/parser attempt to guess, based on the presence
+     * of ES6 import or export statements.
+     * Files with ES6 imports and exports are considered "module" and are otherwise "script".
+     *
+     * Use "commonjs" to parse code that is intended to be run in a CommonJS environment such as Node.js.
+     */
+    sourceType?: SourceType;
+    /**
+     * Correlate output AST nodes with their source filename.
+     * Useful when generating code and source maps from the ASTs of multiple input files.
+     */
+    sourceFilename?: string;
+    /**
+     * By default, all source indexes start from 0.
+     * You can provide a start index to alternatively start with.
+     * Useful for integration with other source tools.
+     */
+    startIndex?: number;
+    /**
+     * By default, the first line of code parsed is treated as line 1.
+     * You can provide a line number to alternatively start with.
+     * Useful for integration with other source tools.
+     */
+    startLine?: number;
+    /**
+     * By default, the parsed code is treated as if it starts from line 1, column 0.
+     * You can provide a column number to alternatively start with.
+     * Useful for integration with other source tools.
+     */
+    startColumn?: number;
+    /**
+     * Array containing the plugins that you want to enable.
+     */
+    plugins?: Plugin[];
+    /**
+     * Should the parser work in strict mode.
+     * Defaults to true if sourceType === 'module'. Otherwise, false.
+     */
+    strictMode?: boolean;
+    /**
+     * Adds a ranges property to each node: [node.start, node.end]
+     */
+    ranges?: boolean;
+    /**
+     * Adds all parsed tokens to a tokens property on the File node.
+     */
+    tokens?: boolean;
+    /**
+     * By default, the parser adds information about parentheses by setting
+     * `extra.parenthesized` to `true` as needed.
+     * When this option is `true` the parser creates `ParenthesizedExpression`
+     * AST nodes instead of using the `extra` property.
+     */
+    createParenthesizedExpressions?: boolean;
+    /**
+     * The default is false in Babel 7 and true in Babel 8
+     * Set this to true to parse it as an `ImportExpression` node.
+     * Otherwise `import(foo)` is parsed as `CallExpression(Import, [Identifier(foo)])`.
+     */
+    createImportExpressions?: boolean;
+}
+
+type ParserOptions = Partial<Options>;
+type ParseError = ParseError$1<object>;
+type ParseResult<Result extends File | Expression = File> = Result & {
+    comments: File["comments"];
+    errors: null | ParseError[];
+    tokens?: File["tokens"];
+};
+/**
+ * Parse the provided code as an entire ECMAScript program.
+ */
+declare function parse(input: string, options?: ParserOptions): ParseResult<File>;
+declare function parseExpression(input: string, options?: ParserOptions): ParseResult<Expression>;
+
+declare const tokTypes: {
+  // todo(flow->ts) real token type
+  [name: string]: any;
+};
+
+export { DecoratorsPluginOptions, FlowPluginOptions, ParseError, ParseResult, ParserOptions, PluginConfig as ParserPlugin, ParserPluginWithOptions, PipelineOperatorPluginOptions, RecordAndTuplePluginOptions, TypeScriptPluginOptions, parse, parseExpression, tokTypes };