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64ac96d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | # Canonical Schema `streaming_omni_v0.3.1`
Every row contains `schema_version`, a unique `id`, config/split/source lineage, modalities, duration, a non-empty timeline, evidence, quality metadata, and `metadata.media_access`.
Every timeline chunk has a deterministic `chunk_0000`-style ID, monotonic `t_start < t_end`, streaming ASR/OCR/audio/visual events, control state, and optional target deltas. Chunk times stay inside `duration_sec`.
`metadata.media_access` declares exactly one public strategy: `reconstruct` with a stable upstream URL and manifest entry, or `generated` with a deterministic recipe. The internal package rewrites it to `included` with a package-relative path.
## ProactiveAVInteraction
`interaction_policy` includes `should_speak`, `speak_timing`, `trigger_type`, `reason_for_silence`, resolvable `evidence_chunk_ids`, optional latency, priority, and interruption permission. A `genuinely_joint` label is used only when both independent audio and visual evidence are materially required.
## OCRScreenGrounding
`ocr_grounding` includes `required`, non-empty `text_instances`, normalized `[x1,y1,x2,y2]` boxes, frame timestamps, confidence, source, resolvable `target_instance_ids`, and temporal state fields. Generated examples use `source=generator_ground_truth`; no generator truth is presented as OCR-model inference.
## Model mode and quality
`metadata.model_mode` records backend modes. `quality.status` must be `pass` for release rows. WhisperX timestamps are segment-level.
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