Merge pull request #41 from wrxck/feat/v3.4-middleware-mcp-cli

feat: middleware, MCP server, and CLI tool for v3.4

Merge pull request #38 from wrxck/chore/release-v3.3

chore: release v3.3

Merge pull request #36 from wrxck/fix/issue-35-module-structure

fix(module): rename init.lua to main.lua for LuaRocks compat

Merge pull request #33 from wrxck/chore/release-v3.1

chore: fix rockspec source URLs for v3.1 release