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Oleksandr Bezdieniezhnykh
48ea1e2fc2
Implements the production-default ReRankStrategy: K=10 → N=3 by single-pair LightGlue inlier count, with strict drop-and-continue (INV-8) on per-candidate TileFetch / backbone / zero-inlier failures and RerankAllCandidatesFailedError on zero survivors. Composition root injects the shared LightGlueRuntime + Clock + the new FeatureExtractor helper (an L1 placeholder OpenCvOrbExtractor that unblocks AZ-343 and future C3 strategies — task scope expansion). Architectural notes: - Cross-component imports stay banned; tile_store types as `object` and the C6 TileCacheError family is duck-typed by class module prefix (same workaround AZ-348 adopted for c7_inference; proper fix is to relocate TileCacheError to _types/ in a follow-up). - Clock injection follows the replay contract (AZ-398 Invariant 2); reranked_at is sourced from clock.monotonic_ns(). - AZ-342 factory grew `feature_extractor` + `clock` + `fdr_client` parameters; existing AZ-342 conformance tests updated. Tests: 19 new AC-1..AC-12 + mixed-failure scenarios in test_inlier_count_reranker.py; existing AZ-342 suite (26) still green. Full repo sweep 1093 passed / 2 skipped (cmake/actionlint not on PATH). Co-authored-by: Cursor <cursoragent@cursor.com>