Add OLS feature test suite (128 tests)

Phase 1 (56 tests): Live environment tests covering binary integrity,
CyberPanel module, Auto-SSL config, LE certificates, SSL listener
auto-mapping, cert serving, HTTPS/HTTP functional tests, .htaccess
processing, VHost config integrity, origin header forwarding, PHP config.

Phase 2 (72 tests): ReadApacheConf directive tests covering Include,
global tuning, listener creation, ProxyPass, IfModule, VHost creation,
SSL deduplication, Directory/Location blocks, PHP version detection,
ScriptAlias, HTTP/HTTPS functional tests, process health, graceful restart.

Author: usmannasir