Module variant 

Variant generation: pure engine and CLI command wiring.

• engine — the pure in-memory variant expansion engine.
• run — the CLI entry point: file I/O, rendering, manifest, output.

Module root is wiring only: re-exports + submodule declarations.

Structs

VariantCmdErr

A fatal error that prevents variant generation from starting.

VariantExpansion

The complete result of one expand_variants call.

VariantOutputs

Output paths for a single generated variant.

VariantReport

Summary of a completed variant-generation run.

VariantResult

Result for a single variant entry.

VariantResultRecord

Result record for one variant (generated or failed).

Enums

VariantOutcome

Outcome of applying one variant’s op batch.

Functions

build_manifest

Build a deterministic generation manifest from the variant inputs and report.

expand_variants

Expand all variant definitions in doc into materialized documents.

run_variant

Run variant generation for all variants blocks in doc_src.

to_json_output

Convert a completed VariantReport into the JSON-serialisable envelope.