research(sota): kick off SOTA research loop + first R5 saliency measurement#702
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…rement Sets up docs/research/sota-2026-05-22/ as the autonomous-research output dir, with PROGRESS.md as the canonical 15-vector research agenda spanning spatial intelligence, RF features, RSSI-only, and exotic/long-horizon verticals. Cron d6e5c473 (*/10 * * * *) picks threads from this file and self-terminates at 2026-05-22 08:00 ET. First concrete contribution this tick — R5 subcarrier saliency: * examples/research-sota/r5_subcarrier_saliency.py: pure-numpy port of the count cog's Conv1d encoder + count head, computes per- subcarrier input×gradient saliency via central-difference. 128 samples × 56 subcarriers × 2 forward passes/subcarrier ≈ ~3 s on CPU, no GPU or framework dependency. * docs/research/sota-2026-05-22/R5-subcarrier-saliency.md: research note with motivation, method, novelty argument, and the first measured ranking. Top-8 subcarriers for cog-person-count v0.0.2: [41, 52, 30, 31, 10, 35, 2, 38]. Max/mean ratio 2.85x. * v2/crates/cog-person-count/cog/artifacts/saliency.json: machine- readable per-subcarrier saliency + top-K lists, so future-tick experiments (retrain at K=8/16/32) consume it without re-running. Key insight from the first measurement: top-8 saliency is *band- spread* (indices span 2-52), not concentrated. This directly raises R8's (RSSI-only) feasibility ceiling, because RSSI is a band- aggregate — it retains the integral of a band-spread signal. First- order estimate: RSSI-only should hit ~60% of full-CSI accuracy for the count task. R7 (adversarial defence) inherits a concrete defender- priority list: corroborate these 8 subcarriers across nodes. This commit is the first of many short, focused contributions over the next ~12 hours. PROGRESS.md is the canonical pointer for the next tick to pick up the next thread.
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Kickoff of a 12-hour autonomous research loop (
*/10 * * * *, self-terminates 2026-05-22 08:00 ET). Picks threads from a 15-vector agenda spanning spatial intelligence, RF features, RSSI-only, and exotic verticals.This first tick ships:
docs/research/sota-2026-05-22/PROGRESS.md— research agenda + index for future ticks.docs/research/sota-2026-05-22/R5-subcarrier-saliency.md— research note with the first measurement.examples/research-sota/r5_subcarrier_saliency.py— pure-numpy port of the count cog's forward pass + central-difference saliency. No framework deps. Runs in ~3 s on CPU.v2/crates/cog-person-count/cog/artifacts/saliency.json— machine-readable result; future-tick experiments consume this without re-running.Headline result: top-8 saliency subcarriers for v0.0.2 count model are
[41, 52, 30, 31, 10, 35, 2, 38]— spread across the full band, max/mean ratio 2.85×. Implications: RSSI-only deployment more feasible than feared, bandwidth-capped chips retain most signal, defender-priority subcarrier list for adversarial robustness.🤖 Generated with claude-flow