fix: Correct unit test failures and improve mocking

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: steipete

CHANGELOG.md

@@ -9,10 +9,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 - Made Claude CLI execution timeout configurable via `CLAUDE_CLI_TIMEOUT_SECONDS` environment variable (defaults to 3600 seconds / 60 minutes).
+- Dynamically fetch and display Claude CLI version in the tool description. MCP server version is also displayed.
 
 ### Changed
 - Increased default Claude CLI execution timeout from 30 minutes to 60 minutes.
 - Removed comment from JSON example in `README.md`.
+- Tool description newlines are preserved, and backticks are correctly escaped for markdown.
+- Improved error message in tool description if Claude CLI version cannot be fetched.
+
+### Removed
+- Removed the old mechanism of printing MCP server version on the first tool use.
 
 ## [1.10.13] - 2025-05-20
 

package-lock.json

@@ -12,10 +12,9 @@
     "build": "tsc",
     "start": "node dist/server.js",
     "dev": "tsx src/server.ts",
-    "test": "npm run build && vitest",
+    "test": "npm run build && vitest run",
     "test:unit": "vitest run --config vitest.config.unit.ts",
     "test:e2e": "npm run build && vitest run --config vitest.config.e2e.ts",
-    "test:e2e:local": "npm run build && vitest run --config vitest.config.e2e.ts",
     "test:coverage": "npm run build && vitest --coverage --config vitest.config.unit.ts",
     "test:watch": "vitest --watch"
   },
@@ -27,10 +26,12 @@
   "devDependencies": {
     "@eslint/js": "^9.26.0",
     "@types/node": "^22.15.20",
+    "@types/which": "^3.0.4",
     "@vitest/coverage-v8": "^2.1.8",
     "tsx": "^4.19.4",
     "typescript": "^5.8.3",
-    "vitest": "^2.1.8"
+    "vitest": "^2.1.8",
+    "which": "^5.0.0"
   },
   "repository": {
     "type": "git",