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/yargs/locales/fi.json

@@ -0,0 +1,49 @@
+{
+  "Commands:": "Komennot:",
+  "Options:": "Valinnat:",
+  "Examples:": "Esimerkkejä:",
+  "boolean": "totuusarvo",
+  "count": "lukumäärä",
+  "string": "merkkijono",
+  "number": "numero",
+  "array": "taulukko",
+  "required": "pakollinen",
+  "default": "oletusarvo",
+  "default:": "oletusarvo:",
+  "choices:": "vaihtoehdot:",
+  "aliases:": "aliakset:",
+  "generated-value": "generoitu-arvo",
+  "Not enough non-option arguments: got %s, need at least %s": {
+    "one": "Liian vähän argumentteja, jotka eivät ole valintoja: annettu %s, vaaditaan vähintään %s",
+    "other": "Liian vähän argumentteja, jotka eivät ole valintoja: annettu %s, vaaditaan vähintään %s"
+  },
+  "Too many non-option arguments: got %s, maximum of %s": {
+    "one": "Liikaa argumentteja, jotka eivät ole valintoja: annettu %s, sallitaan enintään %s",
+    "other": "Liikaa argumentteja, jotka eivät ole valintoja: annettu %s, sallitaan enintään %s"
+  },
+  "Missing argument value: %s": {
+    "one": "Argumentin arvo puuttuu: %s",
+    "other": "Argumentin arvot puuttuvat: %s"
+  },
+  "Missing required argument: %s": {
+    "one": "Pakollinen argumentti puuttuu: %s",
+    "other": "Pakollisia argumentteja puuttuu: %s"
+  },
+  "Unknown argument: %s": {
+    "one": "Tuntematon argumentti: %s",
+    "other": "Tuntemattomia argumentteja: %s"
+  },
+  "Invalid values:": "Virheelliset arvot:",
+  "Argument: %s, Given: %s, Choices: %s": "Argumentti: %s, Annettu: %s, Vaihtoehdot: %s",
+  "Argument check failed: %s": "Argumentin tarkistus epäonnistui: %s",
+  "Implications failed:": "Riippuvia argumentteja puuttuu:",
+  "Not enough arguments following: %s": "Argumentin perässä ei ole tarpeeksi argumentteja: %s",
+  "Invalid JSON config file: %s": "Epävalidi JSON-asetustiedosto: %s",
+  "Path to JSON config file": "JSON-asetustiedoston polku",
+  "Show help": "Näytä ohje",
+  "Show version number": "Näytä versionumero",
+  "Did you mean %s?": "Tarkoititko %s?",
+  "Arguments %s and %s are mutually exclusive" : "Argumentit %s ja %s eivät ole yhteensopivat",
+  "Positionals:": "Sijaintiparametrit:",
+  "command": "komento"
+}