feat(adr-084): Pass 4 mesh-exchange compression + Pass 5 privacy-preserving event log#1254
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compiledbyutkarsh wants to merge 2 commits into
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feat(adr-084): Pass 4 mesh-exchange compression + Pass 5 privacy-preserving event log#1254compiledbyutkarsh wants to merge 2 commits into
compiledbyutkarsh wants to merge 2 commits into
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Pass 4 of ADR-084 (RaBitQ similarity sensor) — the happiness-ingest cycle now sketches the 8-d vector to a single sign byte and compares it against the last vector actually sent. When the hamming distance stays below novelty_threshold, the ingest is suppressed and only the suppressed-cycle counter increments; the wire format to the Cognitum Seed is unchanged, so no Seed-side changes are required. max_suppress_sec is a floor that forces a full send even on a perfectly stable room, so the Seed's view of a node never goes stale indefinitely. Heartbeats are unaffected — they stay unconditional since they are the liveness signal, not a happiness observation. New config fields default to 0 and are normalized to their real defaults in swarm_bridge_init(), so the existing designated-initializer call site in main.c needs no changes.
Pass 5 of ADR-084 — the cluster-Pi novelty sensor (Pass 3) now feeds every scored frame into a wifi-densepose-ruvector::PrivacyEventLog audit trail, alongside the existing ephemeral last_novelty_score. Each NodeState gets its own fixed-capacity (256-event) log. On every update_novelty() call, the same feature vector novelty() already scored is sketched and pushed as (sketch_bytes, sketch_version, novelty, witness_sha256) — never the raw Vec<f32> embedding. The existing EmbeddingHistory bank (used for full-precision matching) is unchanged; this only adds a durable, non-invertible audit trail alongside it. wifi-densepose-ruvector added as a direct dependency of wifi-densepose-sensing-server (previously only reachable transitively through wifi-densepose-signal). Verified: cargo check -p wifi-densepose-sensing-server clean build, cargo test -p wifi-densepose-sensing-server and -p wifi-densepose-ruvector both green (156 passed in ruvector, 0 regressions).
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Summary
Implements the two remaining passes from #432 (ADR-084 RaBitQ similarity sensor):
Pass 4 — Mesh-exchange compression: the ESP32 swarm bridge (ADR-066) now sketches each happiness vector to a 1-byte sign fingerprint and compares it against the last vector actually sent. Below-threshold novelty suppresses the ingest POST; a
max_suppress_secfloor guarantees the Seed's view never goes stale indefinitely. Wire format to the Cognitum Seed is unchanged — no Seed-side changes needed.Pass 5 — Privacy-preserving event log: the cluster-Pi novelty sensor (Pass 3) now feeds every scored frame into a
PrivacyEventLogaudit trail —(sketch_bytes, sketch_version, novelty, witness_sha256)instead of raw embeddings. The existing full-precisionEmbeddingHistorybank is untouched; this adds a durable, non-invertible trail alongside it.Changes
firmware/esp32-csi-node/main/swarm_bridge.{c,h}— novelty-gated suppression for the happiness-ingest cycle, heartbeats unaffectedv2/crates/wifi-densepose-sensing-server/src/main.rs—NodeStategains a fixed-capacity (256-event)PrivacyEventLog, populated inupdate_novelty()v2/crates/wifi-densepose-sensing-server/Cargo.toml—wifi-densepose-ruvectorpromoted to a direct dependencyTesting
cargo check -p wifi-densepose-sensing-server --no-default-features (clean build)
cargo test -p wifi-densepose-sensing-server --no-default-features (all green)
cargo test -p wifi-densepose-ruvector --no-default-features (156 passed, 0 failed)
No changes to wifi-densepose-ruvector's existing sketch/event-log primitives — both were already implemented; this PR wires them into their two remaining ADR-084 use sites.