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Oleksandr Bezdieniezhnykh 1ebab29a4f [AZ-332] C1 OKVIS2 Strategy: facade + binding skeleton
Python facade (`Okvis2Strategy`) is production-quality and satisfies
AZ-331's `VioStrategy` protocol; full AC-1..10 coverage with
AC-9 + NFR-perf marked `tier2`. The C++ pybind11 binding compiles
and loads but throws `OkvisFatalException("estimator not yet wired")`
on first `add_frame` — the `okvis::ThreadedKFVio` wiring is a tier2
follow-up the Step-15 Product Completeness Gate is expected to track
as a remediation task.

Resolved contradictions:

* Constructor signature aligned with the AZ-331 factory: `(config, *,
  fdr_client, clock=None)`. Calibration / preintegrator / logger
  built internally from config. No churn on AZ-331.
* IMU substrate: OKVIS2 owns its internal estimator IMU integration;
  the AZ-276 `ImuPreintegrator` is a separate substrate consumed by
  E-C5's fusion graph. Single source of truth lives at the sample
  stream, not the integrator instance.
* FDR API: `FdrClient.enqueue(record)` with new `vio.health` kind
  added to AZ-272 `KNOWN_PAYLOAD_KEYS`.

CI matrix forces `-DBUILD_OKVIS2=OFF` until the tier2 wiring task
brings Ceres / SuiteSparse / OKVIS2 vendored submodules into the
Linux build.

Files: 17 added/modified across `c1_vio/`, `fdr_client/records.py`,
`cpp/okvis2/CMakeLists.txt`, CI workflow, AZ-332 task spec
(implementation-notes section), batch 23 report.

Tests: 17 new (15 tier1 + 2 tier2). Full Tier-1 suite: 1109 pass,
2 skipped (env), 2 deselected (tier2). No regressions.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-05-12 09:56:45 +03:00

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[submodule "cpp/pybind11/upstream"]
path = cpp/pybind11/upstream
url = https://github.com/pybind/pybind11.git
[submodule "cpp/okvis2/upstream"]
path = cpp/okvis2/upstream
url = https://github.com/smartroboticslab/okvis2.git