feature/mcp mcp tests

[elasticdotventures]

• chore: require Node.js 22+
• chore: sync lockfile after install
• Add MCP server test harness
• Update dependencies locks
• chore: feature bump

Q	A
Bug fix?	yes/no
New feature?	yes/no
BC breaks?	no
Deprecations?	no
Tests pass?	yes
Fixed tickets	#1234, #5678
License	MIT
Doc PR	https://github.com/pm2-hive/pm2-hive.github.io/pulls

[Copilot]

Pull request overview

This PR adds Model Context Protocol (MCP) server support to PM2, requiring Node.js 22+ as a minimum version. The main additions include a complete MCP server implementation exposing PM2 process management as MCP tools/resources, comprehensive test coverage using the MCP SDK test harness, and updated packaging configurations.

• Added MCP server with stdio transport exposing PM2 operations as protocol tools and resources
• Implemented comprehensive test suite for MCP server functionality
• Updated minimum Node.js requirement from 16.0.0 to 22.0.0 across all packaging files
• Added new dependencies: @modelcontextprotocol/sdk, zod for schema validation

Reviewed changes

Copilot reviewed 8 out of 12 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
test/mcp/server.mocha.js	New comprehensive test suite for MCP server using InMemoryTransport
test/unit.sh	Added MCP server tests to unit test runner
lib/mcp/server.js	New MCP server implementation with PM2 tools and resources
bin/pm2-mcp	New executable entry point for MCP server
package.json	Updated Node.js requirement to 22+, added MCP and zod dependencies
pnpm-lock.yaml	New lockfile with MCP SDK and dependencies
package-lock.json	Updated lockfile with new dependencies (appears incomplete/truncated)
packager/debian/control	Updated Node.js dependency to >= 22.0.0
packager/build-deb-rpm.sh	Updated RPM Node.js dependency to >= 22.0.0
packager/alpine/pm2/APKBUILD	Updated Alpine package Node.js dependency to >= 22
README.md	Added MCP server documentation and updated supported Node.js version

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

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