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narratio/docs/integrations/audita.md

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# Integration: Audita
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## Purpose
Define the Audita adapter contract used by the `polish` stage.
## External Boundary
Narratio invokes `audita process` as a subprocess for each polish operation.
The configured timeout and parent cancellation bound the invocation. Internal
runner composition is documented in
[the adapter implementation guide](../internal/adapters.md).
## Request Contract
`PolishRequest` carries:
- required transcript/glossary/output/work-dir paths;
- optional report path (required when report mode is enabled);
- generated config and stdout/stderr log paths;
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- optional per-invocation module override.
The constructed runner owns static Audita settings: binary, timeout,
credentials, default modules, model and endpoint settings, validation and output
settings, report mode, and concurrency. The `polish` stage supplies only
invocation-specific paths and may override modules for that invocation.
## Result Contract
`PolishResult` returns:
- processed transcript path;
- optional report path;
- work dir and generated-config/log paths;
- exit code, duration, binary provenance;
- adapter metadata map.
## Validation and Failure Semantics
Construction fails for invalid static config values, including:
- empty binary;
- non-positive timeout;
- invalid base URL;
- invalid output schema;
- invalid work-dir retention value;
- invalid concurrency values.
Run fails for:
- missing required request paths;
- missing required credential env var when configured (`llm_api_key_env`);
- subprocess execution failure;
- invalid processed transcript JSON (`segments` array required);
- invalid report JSON when reporting is enabled.
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Processed transcript JSON is limited to 64 MiB and optional report JSON to 16
MiB. Both must be regular files without symlinked path components.
Failure results still include output/log/config/exit metadata for diagnostics.
## Deterministic Behavior
- CLI args are built from runner config + request in a fixed order.
- Generated invocation YAML (`audita.generated.v1`) is emitted when requested.
- Manifest writes are stage-owned; adapter itself is stateless.
## Configuration
Operator-selected values are defined under `pipeline.audita.*` in the
[configuration reference](../config.md#pipeline).
Maintained example with Audita config:
- [Full annotated pipeline](../../examples/pipeline.full.annotated.yml)
- [Production-shaped pipeline](../../examples/pipeline.production.yml)