* feat: add JSON-based setup option to authorization server conformance test
* refactor(auth): single-schema validation for --file; drop duplicate schema/merge
* chore: move authorization-server settings sample to examples/
* test(auth): cover --file merge precedence and validation
* fix(auth): validate --file standalone via .strict(); reject partial/typo'd files
The settings file must be a complete, valid AuthorizationServerOptions on
its own; CLI flags are optional overrides on top. .strict() rejects unknown
keys so a typo'd field surfaces as an error instead of being silently
ignored. ZodError from file parsing is reported with the file path.
* chore: drop placeholder --file merge test pending CLI test pattern
The test re-implemented the merge logic locally, which can drift from
src/index.ts. Proper coverage needs either programmatic commander.parse()
or an extracted loadAuthorizationServerOptions() helper; deferring that
decision to a follow-up rather than establishing the pattern here.
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Co-authored-by: Michito Okai <michito.okai.zn@hitachi.com>
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