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Oleksandr Bezdieniezhnykh 098aabac0c [AZ-387] C5 smoothed-history → FDR side-channel
After every successful current_estimate(), emit one
c5.state.smoothed_history FDR record per newly-smoothed past
keyframe from IncrementalFixedLagSmoother. AC-4.5 (revised): the
smoothed stream goes ONLY to FDR; the C8 outbound forward-time
stream is unaffected.

Idempotency via _smoothed_fdr_watermark_s (smoother-native float
seconds); the same pose key is never emitted twice. Hook is
best-effort — internal failures log warnings but do not raise, so
a smoother divergence cannot contaminate the forward-time path.

Cross-task invariants documented:
- AC-3 ESKF no-op — AZ-386 installs an inert hook on the ESKF.
- AC-4 No C8 leak — enforced at the C8 boundary by AZ-261.

8 new unit tests against AC-1/2/5/6 + robustness (no-FDR-client,
marginals failure). Full suite: 640 passed, 2 skipped.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-05-11 07:13:44 +03:00

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Markdown

# Autodev State
## Current Step
flow: greenfield
step: 7
name: Implement
status: in_progress
sub_step:
phase: 6
name: implement-tasks
detail: "batch 18 of N committed (AZ-387 c5 smoothed-history \u2192 FDR side-channel: per-keyframe FDR emission + timestamp watermark idempotency + AC-4.5 onboard-only path + AC-3/AC-4 cross-task invariants documented)"
retry_count: 0
cycle: 1
tracker: jira