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/locate-path/index.d.ts

@@ -0,0 +1,83 @@
+declare namespace locatePath {
+	interface Options {
+		/**
+		Current working directory.
+
+		@default process.cwd()
+		*/
+		readonly cwd?: string;
+
+		/**
+		Type of path to match.
+
+		@default 'file'
+		*/
+		readonly type?: 'file' | 'directory';
+
+		/**
+		Allow symbolic links to match if they point to the requested path type.
+
+		@default true
+		*/
+		readonly allowSymlinks?: boolean;
+	}
+
+	interface AsyncOptions extends Options {
+		/**
+		Number of concurrently pending promises. Minimum: `1`.
+
+		@default Infinity
+		*/
+		readonly concurrency?: number;
+
+		/**
+		Preserve `paths` order when searching.
+
+		Disable this to improve performance if you don't care about the order.
+
+		@default true
+		*/
+		readonly preserveOrder?: boolean;
+	}
+}
+
+declare const locatePath: {
+	/**
+	Get the first path that exists on disk of multiple paths.
+
+	@param paths - Paths to check.
+	@returns The first path that exists or `undefined` if none exists.
+
+	@example
+	```
+	import locatePath = require('locate-path');
+
+	const files = [
+		'unicorn.png',
+		'rainbow.png', // Only this one actually exists on disk
+		'pony.png'
+	];
+
+	(async () => {
+		console(await locatePath(files));
+		//=> 'rainbow'
+	})();
+	```
+	*/
+	(paths: Iterable<string>, options?: locatePath.AsyncOptions): Promise<
+		string | undefined
+	>;
+
+	/**
+	Synchronously get the first path that exists on disk of multiple paths.
+
+	@param paths - Paths to check.
+	@returns The first path that exists or `undefined` if none exists.
+	*/
+	sync(
+		paths: Iterable<string>,
+		options?: locatePath.Options
+	): string | undefined;
+};
+
+export = locatePath;

capabilities/testdrive-jsui/node_modules/locate-path/index.js

@@ -0,0 +1,65 @@
+'use strict';
+const path = require('path');
+const fs = require('fs');
+const {promisify} = require('util');
+const pLocate = require('p-locate');
+
+const fsStat = promisify(fs.stat);
+const fsLStat = promisify(fs.lstat);
+
+const typeMappings = {
+	directory: 'isDirectory',
+	file: 'isFile'
+};
+
+function checkType({type}) {
+	if (type in typeMappings) {
+		return;
+	}
+
+	throw new Error(`Invalid type specified: ${type}`);
+}
+
+const matchType = (type, stat) => type === undefined || stat[typeMappings[type]]();
+
+module.exports = async (paths, options) => {
+	options = {
+		cwd: process.cwd(),
+		type: 'file',
+		allowSymlinks: true,
+		...options
+	};
+	checkType(options);
+	const statFn = options.allowSymlinks ? fsStat : fsLStat;
+
+	return pLocate(paths, async path_ => {
+		try {
+			const stat = await statFn(path.resolve(options.cwd, path_));
+			return matchType(options.type, stat);
+		} catch (_) {
+			return false;
+		}
+	}, options);
+};
+
+module.exports.sync = (paths, options) => {
+	options = {
+		cwd: process.cwd(),
+		allowSymlinks: true,
+		type: 'file',
+		...options
+	};
+	checkType(options);
+	const statFn = options.allowSymlinks ? fs.statSync : fs.lstatSync;
+
+	for (const path_ of paths) {
+		try {
+			const stat = statFn(path.resolve(options.cwd, path_));
+
+			if (matchType(options.type, stat)) {
+				return path_;
+			}
+		} catch (_) {
+		}
+	}
+};

capabilities/testdrive-jsui/node_modules/locate-path/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.

capabilities/testdrive-jsui/node_modules/locate-path/package.json

@@ -0,0 +1,45 @@
+{
+	"name": "locate-path",
+	"version": "5.0.0",
+	"description": "Get the first path that exists on disk of multiple paths",
+	"license": "MIT",
+	"repository": "sindresorhus/locate-path",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=8"
+	},
+	"scripts": {
+		"test": "xo && ava && tsd"
+	},
+	"files": [
+		"index.js",
+		"index.d.ts"
+	],
+	"keywords": [
+		"locate",
+		"path",
+		"paths",
+		"file",
+		"files",
+		"exists",
+		"find",
+		"finder",
+		"search",
+		"searcher",
+		"array",
+		"iterable",
+		"iterator"
+	],
+	"dependencies": {
+		"p-locate": "^4.1.0"
+	},
+	"devDependencies": {
+		"ava": "^1.4.1",
+		"tsd": "^0.7.2",
+		"xo": "^0.24.0"
+	}
+}

capabilities/testdrive-jsui/node_modules/locate-path/readme.md

@@ -0,0 +1,122 @@
+# locate-path [![Build Status](https://travis-ci.org/sindresorhus/locate-path.svg?branch=master)](https://travis-ci.org/sindresorhus/locate-path)
+
+> Get the first path that exists on disk of multiple paths
+
+
+## Install
+
+```
+$ npm install locate-path
+```
+
+
+## Usage
+
+Here we find the first file that exists on disk, in array order.
+
+```js
+const locatePath = require('locate-path');
+
+const files = [
+	'unicorn.png',
+	'rainbow.png', // Only this one actually exists on disk
+	'pony.png'
+];
+
+(async () => {
+	console(await locatePath(files));
+	//=> 'rainbow'
+})();
+```
+
+
+## API
+
+### locatePath(paths, [options])
+
+Returns a `Promise<string>` for the first path that exists or `undefined` if none exists.
+
+#### paths
+
+Type: `Iterable<string>`
+
+Paths to check.
+
+#### options
+
+Type: `Object`
+
+##### concurrency
+
+Type: `number`<br>
+Default: `Infinity`<br>
+Minimum: `1`
+
+Number of concurrently pending promises.
+
+##### preserveOrder
+
+Type: `boolean`<br>
+Default: `true`
+
+Preserve `paths` order when searching.
+
+Disable this to improve performance if you don't care about the order.
+
+##### cwd
+
+Type: `string`<br>
+Default: `process.cwd()`
+
+Current working directory.
+
+##### type
+
+Type: `string`<br>
+Default: `file`<br>
+Values: `file` `directory`
+
+The type of paths that can match.
+
+##### allowSymlinks
+
+Type: `boolean`<br>
+Default: `true`
+
+Allow symbolic links to match if they point to the chosen path type.
+
+### locatePath.sync(paths, [options])
+
+Returns the first path that exists or `undefined` if none exists.
+
+#### paths
+
+Type: `Iterable<string>`
+
+Paths to check.
+
+#### options
+
+Type: `Object`
+
+##### cwd
+
+Same as above.
+
+##### type
+
+Same as above.
+
+##### allowSymlinks
+
+Same as above.
+
+
+## Related
+
+- [path-exists](https://github.com/sindresorhus/path-exists) - Check if a path exists
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)