Add the Media Studio adapters behind the frozen provider contracts: a
deterministic offline inference emulator driven by file-name markers that
renders real redactions with ffmpeg, a synthetic emulator library, the
bearer-auth HTTP client for the local media sidecar with validated
responses, typed errors, busy retries and timeouts, a lazily paginated
folder source that never follows symlinks, and the configuration factory.
A shared conformance suite runs against the emulator and, in the Docker
integration job, against the sidecar.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0138YqDj3ttfayRwuMKKrqVj
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