Add language service support for action.yml files (#275)

- Add validation, completion, hover, and document links for action.yml files
- Implement document type detection to route action.yml to action-specific handlers
- Add expression context for composite actions (inputs, steps, github, runner, etc.)
- Add schema validation for required fields, branding, and composite step requirements
- Support JavaScript (node20/node24), Docker, and composite action types
- Validate action references in composite action uses steps
- Add JSDoc comments to parser and template functions
- Refactor hover to use hoverToken consistently
- Fix lint errors and add return type annotations

workflow-parser/package.json

@@ -36,9 +36,9 @@
     "clean": "rimraf dist",
     "format": "prettier --write '**/*.ts'",
     "format-check": "prettier --check '**/*.ts'",
-    "lint": "eslint 'src/**/*.ts'",
+    "lint": "eslint --max-warnings 0 'src/**/*.ts'",
     "lint-fix": "eslint --fix 'src/**/*.ts'",
-    "minify-json": "node ../script/minify-json.js src/workflow-v1.0.json",
+    "minify-json": "node ../script/minify-json.js src/workflow-v1.0.json && node ../script/minify-json.js src/action-v1.0.json",
     "prebuild": "npm run minify-json",
     "prepublishOnly": "npm run build && npm run test",
     "pretest": "npm run minify-json",