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docs: record Opus transcode store-path streaming

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daniel-c-harvey
2026-06-26 14:30:24 -04:00
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CLAUDE.md
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@@ -62,6 +62,8 @@ The split between host projects (`DeepDrftPublic`, `DeepDrftManager`, `DeepDrftC
If step 1 succeeds and step 2 fails, audio is orphaned in the vault (no rollback today).
The Opus transcode derived-artifact path (`OpusTranscodeService.TranscodeAndStoreAsync`) also streams its entire pipeline: extension and duration are read from the vault index (no body load); the source bytes are opened via `TrackContentService.OpenAudioMediaStreamAsync` and bounded-copied to a staging file; the encoded Ogg output is walked from a `FileStream` via `OggOpusParser.WalkAsync(Stream)` (bounded one-page-at-a-time buffer; byte-identical to the retained whole-buffer oracle `Walk(ReadOnlySpan<byte>)`); and stored via `RegisterResourceStreamingAsync`. The sidecar (a few KB, inherently bounded) retains the whole-buffer write. Completes the store-path OOM-fix arc.
### Streaming-first audio playback
The player is not fetch-then-play: