Oleksandr Bezdieniezhnykh e4ecdaf619 [AZ-294] [AZ-295] [AZ-296] Finish C13: tile snapshot + record-kind policy + takeoff abort ...

AZ-294: MidFlightTileSnapshotSink writes orthorectified tile JPEGs
atomically to flight_root/<flight_id>/tiles/<tile_id>.jpg, emits a
kind="mid_flight_tile_snapshot" pointer record, and evicts the oldest
tile when the per-flight 64 MiB cap is exceeded. Adds optional
frame_id to the snapshot payload (fdr_record_schema bump).

AZ-295: RecordKindPolicy with two paired gates:
- enforce_or_raise (producer-side) raises RawFrameWriteForbiddenError
  for raw_nav_frame / raw_ai_cam_frame at the call site, defending
  AC-8.5 / RESTRICT-UAV-4.
- gate_for_writer (writer-side) tumbling-window rate-caps
  failed_tile_thumbnail records at <= 0.1 Hz; over-cap drops are
  coalesced into kind="overrun" records with the originating
  producer slug.

AZ-296: take_off() composition-root sequence with strict ordering
(writer.__init__ -> start -> open_flight -> fc_adapter.__init__ ->
fc_adapter.open). On FdrOpenError, logs ERROR record, calls
writer.stop(), prints the documented FATAL line to stderr, and
sys.exit(EXIT_FDR_OPEN_FAILURE=2). composition_root_protocol bumped
to v1.1.0 with the new constants + takeoff-sequence section.

29 new tests; full suite 356 passed / 2 skipped / 0 failures.
No new dependencies (stdlib only).

Co-authored-by: Cursor <cursoragent@cursor.com>

2026-05-11 03:52:07 +03:00

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