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.

package-lock.json

@@ -14,7 +14,7 @@
       "devDependencies": {
         "markdownlint-cli": "^0.42.0",
         "nodemon": "^3.0.1",
-        "tree-sitter-cli": "^0.24.2"
+        "tree-sitter-cli": "^0.25.0"
       }
     },
     "node_modules/@isaacs/balanced-match": {
@@ -1095,9 +1095,9 @@
       }
     },
     "node_modules/tree-sitter-cli": {
-      "version": "0.24.7",
-      "resolved": "https://registry.npmjs.org/tree-sitter-cli/-/tree-sitter-cli-0.24.7.tgz",
-      "integrity": "sha512-o4gnE82pVmMMhJbWwD6+I9yr4lXii5Ci5qEQ2pFpUbVy1YiD8cizTJaqdcznA0qEbo7l2OneI1GocChPrI4YGQ==",
+      "version": "0.25.9",
+      "resolved": "https://registry.npmjs.org/tree-sitter-cli/-/tree-sitter-cli-0.25.9.tgz",
+      "integrity": "sha512-xcS2EJlNdwG529/JcYl5jV0ew/wY+HXvyNe8nkqhDCwQqxCH7odc9oLKxIWePQqmIKgieZ0YaGyieYKQI3MTKQ==",
       "dev": true,
       "hasInstallScript": true,
       "license": "MIT",