Prefix config keys with `config.` to ensure they appear as actual
config lines rather than in comments. Keep soft assertions to one
per scenario for semantic detection only. Relax sinatra file placement
to allow extracted initializer files.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Tests the non-Rails code path: sentry-ruby only, Rack middleware
in config.ru, no Rails initializer. Validated with file-writing
transport (event + transaction envelopes confirmed).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>