argumentation-values 0.1.0

Value-based argumentation frameworks (Bench-Capon 2003) built on the argumentation crate
Documentation 
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# Changelog

## [0.1.0] - 2026-05-07

### Added
- `ValueBasedFramework<A>` — Bench-Capon 2003 value-based argumentation
  frameworks layered over `argumentation::ArgumentationFramework`.
- `Value`, `ValueAssignment`, `Audience` core types. Audiences carry a
  total or partial preference order over values.
- Subjective and objective acceptance per Bench-Capon 2003:
  `subjectively_accepted` (relative to one audience) and
  `objectively_accepted` (across all audiences).
- `MultiAudience` for batched evaluation across a collection of
  audiences without recomputing the underlying framework.
- APX import/export (`from_apx`, `to_apx`) extending the abstract-AF APX
  format with value-assignment and audience syntax.
- Scheme bridge: `from_scheme_instances` /
  `from_scheme_instances_with_name` build a VAF directly from a stream
  of `argumentation_schemes::SchemeInstance`s, mapping schemes to values.

### Dependencies
- `argumentation` 0.2 — Dung framework + attack semantics.
- `argumentation-schemes` 0.2 — for the scheme bridge.
- `smallvec` 1.13.
- `thiserror` 2.0.