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docs: follower detection needs movement and ignores phones - #16

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docs/followers-stationary-2026-10-07
Oct 7, 2026
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Em3ritus merged 1 commit into
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docs/followers-stationary-2026-10-07

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@Em3ritus Em3ritus commented Oct 7, 2026

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Raised in #13: a board left at a workplace all day showed no followers, despite plenty of foot traffic.

That's by design, but the README didn't say so:

  • A follower needs credited presence in three distinct location-epochs, and an epoch only advances when the RF neighbourhood drifts substantially at a re-profile (in practice, when you move). A board on one desk stays in one epoch, so nothing can reach three strikes.
  • Phones rotate their BLE address, so each one looks like a string of short-lived strangers and never accrues strikes.
  • Rotating commercial trackers (AirTag / SmartTag / Tile) are caught only by signature matching.

Changes:

  • How it works → Passive detection: "devices that persist with you" → "fixed-address devices that keep turning up with you in different places".
  • What it doesn't do: new bullet spelling out the movement requirement, the phone exclusion, and how to actually exercise detection.

Docs only; no code change.

🤖 Generated with Claude Code

A user (#13) left a board at their workplace all day and saw no followers.
That is by design: a follower needs credited presence in three distinct
location-epochs, epochs only advance on substantial RF drift (i.e. when
you move), and phones rotate their BLE address. Say so in "What it
doesn't do" and tighten the Passive detection bullet.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
@Em3ritus Em3ritus mentioned this pull request Oct 7, 2026
@Em3ritus
Em3ritus merged commit d7bdd5a into main Oct 7, 2026
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Yverr0y pushed a commit to Yverr0y/simulacra that referenced this pull request Oct 7, 2026
…ent fixes

- Jump-to: the Architecture link pointed at #architecture--the-nodes; the
  heading's dash became a hyphen, so the anchor is #architecture---the-nodes.
  Add the "What it doesn't do" section, which had no link.
- Recent updates claimed Wi-Fi probe shape is learned at runtime. It isn't:
  probe_frame.c ships a fixed table of five capture-derived archetypes. Only
  BLE AD structure is learned. Say what actually happened to each.
- Recent updates and CHANGELOG had nothing on Em3ritus#12, Em3ritus#14 or Em3ritus#15 (the flasher
  key block, C5 rev v1.2 flashing, C6 enrollment), the fixes users hit.
- Name the surveillance signatures (Flock, Axon) the detector carries.
- Reflow the follower bullet from Em3ritus#16.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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