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[AZ-348] C3.5 ConditionalRefiner Protocol + factory + PassthroughRefiner

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Defines the public `ConditionalRefiner` Protocol (PEP 544
@runtime_checkable, two methods: `refine_if_needed` +
`was_invoked`), extends `MatchResult` in-place with two
default-valued refinement fields (`refinement_label`,
`refinement_added_latency_ms`), defines the `RefinerError` family
(`RefinerBackboneError`, `RefinerConfigError`), and ships the
trivial `PassthroughRefiner` reference impl.

Both refiner strategies are linked unconditionally — no
`BUILD_REFINER_*` flag (NOT ADR-002 territory). Runtime selection
only per ADR-001. `PassthroughRefiner` returns the input
`MatchResult` by reference (bit-identical correspondences per
contract INV-5) and always reports `was_invoked() is False`.

Documentation: renames `module-layout.md` `c3_5_adhop` Public API
symbol from `AdHoPRefinementStrategy` to `ConditionalRefiner`
(AC-14) so the doc agrees with `description.md` and the contract.

AC-9 (single-thread binding) deferred to AZ-270 runtime-root
composition, mirroring AZ-336 / AZ-342 / AZ-344 Risk-4 precedent.
AC-7 for the `"adhop"` strategy stops at `ModuleNotFoundError`
because the AdHoP backbone is owned by AZ-349. All other ACs +
NFRs covered by 36 new conformance tests.

Architectural note: `PassthroughRefiner.inference_runtime` is
typed as `object` because the L3→L3 import ban
(`test_az270_compose_root`) forbids c3_5_adhop from importing
c7_inference; the runtime-root factory narrows the type at
construction time.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Oleksandr Bezdieniezhnykh
2026-05-12 05:52:36 +03:00
parent 89c223882b
commit 9a605c8514
13 changed files with 991 additions and 28 deletions
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_docs/02_document/contracts/c3_5_adhop/conditional_refiner_protocol.md
+2 -2
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@@ -4,8 +4,8 @@
**Producer task**: AZ-348 (Protocol + factory + DTOs + composition + `PassthroughRefiner`)
**Consumer tasks**: AZ-349 (`AdHoPRefiner` real refinement); downstream c4_pose (epic AZ-259) which consumes the (possibly refined) `MatchResult`
**Version**: 1.0.0
**Status**: draft, awaiting Producer task implementation
**Last Updated**: 2026-05-10
**Status**: v1.0.0 (AZ-348 implemented 2026-05-12; PassthroughRefiner shipped — AdHoPRefiner pending AZ-349)
**Last Updated**: 2026-05-12
**Module-layout home**: `src/gps_denied_onboard/components/c3_5_adhop/interface.py` (Protocol), `src/gps_denied_onboard/components/c3_5_adhop/__init__.py` (re-exports), `src/gps_denied_onboard/runtime_root/refiner_factory.py` (factory)
> **Public API symbol naming.** The component's public interface symbol is named `ConditionalRefiner` in `description.md` § 2 and `AdHoPRefinementStrategy` in `module-layout.md` § c3_5_adhop. Both refer to the SAME Protocol; the canonical class name in code is `ConditionalRefiner` — it is the role description-first name and matches the method `refine_if_needed`. The producer task ALSO updates `module-layout.md` to align (`AdHoPRefinementStrategy` → `ConditionalRefiner`) so the two documents agree.