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/get-caller-file/LICENSE.md

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+ISC License (ISC)
+Copyright 2018 Stefan Penner
+
+Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

capabilities/testdrive-jsui/node_modules/get-caller-file/README.md

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+# get-caller-file
+
+[![Build Status](https://travis-ci.org/stefanpenner/get-caller-file.svg?branch=master)](https://travis-ci.org/stefanpenner/get-caller-file)
+[![Build status](https://ci.appveyor.com/api/projects/status/ol2q94g1932cy14a/branch/master?svg=true)](https://ci.appveyor.com/project/embercli/get-caller-file/branch/master)
+
+This is a utility, which allows a function to figure out from which file it was invoked. It does so by inspecting v8's stack trace at the time it is invoked.
+
+Inspired by http://stackoverflow.com/questions/13227489
+
+*note: this relies on Node/V8 specific APIs, as such other runtimes may not work*
+
+## Installation
+
+```bash
+yarn add get-caller-file
+```
+
+## Usage
+
+Given:
+
+```js
+// ./foo.js
+const getCallerFile = require('get-caller-file');
+
+module.exports = function() {
+  return getCallerFile(); // figures out who called it
+};
+```
+
+```js
+// index.js
+const foo = require('./foo');
+
+foo() // => /full/path/to/this/file/index.js
+```
+
+
+## Options:
+
+* `getCallerFile(position = 2)`: where position is stack frame whos fileName we want.

capabilities/testdrive-jsui/node_modules/get-caller-file/index.d.ts

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+declare const _default: (position?: number) => any;
+export = _default;

capabilities/testdrive-jsui/node_modules/get-caller-file/index.js

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+"use strict";
+// Call this function in a another function to find out the file from
+// which that function was called from. (Inspects the v8 stack trace)
+//
+// Inspired by http://stackoverflow.com/questions/13227489
+module.exports = function getCallerFile(position) {
+    if (position === void 0) { position = 2; }
+    if (position >= Error.stackTraceLimit) {
+        throw new TypeError('getCallerFile(position) requires position be less then Error.stackTraceLimit but position was: `' + position + '` and Error.stackTraceLimit was: `' + Error.stackTraceLimit + '`');
+    }
+    var oldPrepareStackTrace = Error.prepareStackTrace;
+    Error.prepareStackTrace = function (_, stack) { return stack; };
+    var stack = new Error().stack;
+    Error.prepareStackTrace = oldPrepareStackTrace;
+    if (stack !== null && typeof stack === 'object') {
+        // stack[0] holds this file
+        // stack[1] holds where this function was called
+        // stack[2] holds the file we're interested in
+        return stack[position] ? stack[position].getFileName() : undefined;
+    }
+};
+//# sourceMappingURL=index.js.map

capabilities/testdrive-jsui/node_modules/get-caller-file/index.js.map

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+{"version":3,"file":"index.js","sourceRoot":"","sources":["index.ts"],"names":[],"mappings":";AAAA,qEAAqE;AACrE,qEAAqE;AACrE,EAAE;AACF,0DAA0D;AAE1D,iBAAS,SAAS,aAAa,CAAC,QAAY;IAAZ,yBAAA,EAAA,YAAY;IAC1C,IAAI,QAAQ,IAAI,KAAK,CAAC,eAAe,EAAE;QACrC,MAAM,IAAI,SAAS,CAAC,kGAAkG,GAAG,QAAQ,GAAG,oCAAoC,GAAG,KAAK,CAAC,eAAe,GAAG,GAAG,CAAC,CAAC;KACzM;IAED,IAAM,oBAAoB,GAAG,KAAK,CAAC,iBAAiB,CAAC;IACrD,KAAK,CAAC,iBAAiB,GAAG,UAAC,CAAC,EAAE,KAAK,IAAM,OAAA,KAAK,EAAL,CAAK,CAAC;IAC/C,IAAM,KAAK,GAAG,IAAI,KAAK,EAAE,CAAC,KAAK,CAAC;IAChC,KAAK,CAAC,iBAAiB,GAAG,oBAAoB,CAAC;IAG/C,IAAI,KAAK,KAAK,IAAI,IAAI,OAAO,KAAK,KAAK,QAAQ,EAAE;QAC/C,2BAA2B;QAC3B,gDAAgD;QAChD,8CAA8C;QAC9C,OAAO,KAAK,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAE,KAAK,CAAC,QAAQ,CAAS,CAAC,WAAW,EAAE,CAAC,CAAC,CAAC,SAAS,CAAC;KAC7E;AACH,CAAC,CAAC"}

capabilities/testdrive-jsui/node_modules/get-caller-file/package.json

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+{
+  "name": "get-caller-file",
+  "version": "2.0.5",
+  "description": "",
+  "main": "index.js",
+  "directories": {
+    "test": "tests"
+  },
+  "files": [
+    "index.js",
+    "index.js.map",
+    "index.d.ts"
+  ],
+  "scripts": {
+    "prepare": "tsc",
+    "test": "mocha test",
+    "test:debug": "mocha test"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/stefanpenner/get-caller-file.git"
+  },
+  "author": "Stefan Penner",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/stefanpenner/get-caller-file/issues"
+  },
+  "homepage": "https://github.com/stefanpenner/get-caller-file#readme",
+  "devDependencies": {
+    "@types/chai": "^4.1.7",
+    "@types/ensure-posix-path": "^1.0.0",
+    "@types/mocha": "^5.2.6",
+    "@types/node": "^11.10.5",
+    "chai": "^4.1.2",
+    "ensure-posix-path": "^1.0.1",
+    "mocha": "^5.2.0",
+    "typescript": "^3.3.3333"
+  },
+  "engines": {
+    "node": "6.* || 8.* || >= 10.*"
+  }
+}