- sessionName is now optional in open/exec; skips session restore when omitted
- add selector param to open: returns outerHTML or textContent of matched element
- extract session restore logic into private setupSession() to remove duplication
- replace per-exception instanceof checks with single HttpException base class check
- embed label into InternalServerErrorException message instead of logging separately
- update MCP tool schemas and HTTP DTOs to reflect optional sessionName and new selector
- add integration tests: sessionless open/exec, selector, selector+readerMode
- add jest, ts-jest, supertest, and related dev dependencies
- add test scripts (test, test:debug, test:watch) to package.json
- add jest.config.js with ts-jest transform and module name mappers
- add controller specs for auth, browser, environment, mcp, scenario, session
- add mocks for jsdom, playwright, and readability
- add test/tsconfig.json and exclude test dir from main tsconfig
ars9