refactor: enhance CI/CD workflows and apply CodeRabbit suggestions

- Convert GitHub Actions from local to inline actions for better maintainability
- Add comprehensive caching for npm dependencies, tree-sitter CLI, and build artifacts
- Fix checkout steps missing in test matrix jobs
- Apply defensive programming in test coverage validation
- Use local tree-sitter CLI via npx instead of global installation
- Update tree-sitter-cli to v0.25.0 for compatibility with tree-sitter-bash
- Add proper tree-sitter field to package.json with grammar metadata
- Fix grammar precedence for Data blocks (#| lines now have higher precedence)
- Standardize dates in memory files to September 12, 2025
- Enhance workflow robustness with dynamic workflow ID resolution
- Improve test file pattern matching and error handling

This commit addresses all CodeRabbit review suggestions and optimizes
GitHub Actions workflows for better performance and reliability.

src/node-types.json

@@ -3114,7 +3114,8 @@
   },
   {
     "type": "comment",
-    "named": true
+    "named": true,
+    "extra": true
   },
   {
     "type": "declare",
@@ -3328,4 +3329,4 @@
     "type": "~",
     "named": false
   }
-]
+]