When idle is inhibited manually (a caffeine toggle, not this daemon), the lock
is held regardless of presence, so polling the camera is pointless. Guard the
loop: if the shared idle lock is alive but we don't own it (same test as
caffeine-manual-status.sh), skip the read and leave the camera free for other
apps for the whole manual session. PRESENCE_FLAG is cleared while skipping,
since we're no longer watching — so the widget's presence input reads false
during a manual session instead of showing a stale "camera sees you".
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Rework the Eww caffeine widget into two independent inputs — manual inhibit
and presence detected — yielding four states across all three bars:
neither → sleep, purple
manual only → ☕ coffee, purple
presence only → eye, pink
manual + presence → ☕ coffee, pink
Colour tracks presence; the coffee cup shows only while manually inhibiting.
To make the two inputs independent, the daemon now writes a standalone
/tmp/presence-detected flag each tick (decoupled from lock ownership, so it's
true even during a manual session). presence-status.sh reports that flag
(presence input); new caffeine-manual-status.sh reports lock-held-and-not-
presence-owned (manual input).
Make detection less finnicky: space the detector's frame grabs (0.06s) so slow
movement registers and loopback reads never diff a stale duplicate frame, and
lower the thresholds (delta 25→18, area 2%→0.8%). Add a 90s grace window so
brief stillness never flickers presence off; any motion resets the clock.
Add a third poll tier — INTERVAL_FAST=2s when CPU-or-RAM usage is below 30%
(LOAD_LIGHT) — alongside the existing 20s normal and 120s busy tiers.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Add presence-status.sh reporting true only when the daemon (not a manual
caffeine toggle) owns the shared idle lock, via the existing OWNED_FLAG.
Wire it into all three eww bars: the caffeine button gains a
.caffeine-presence class → the #E40046 Active accent used elsewhere, so
camera-driven auto-awake is visually distinct from a manual session.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Amir Alexander Abdelbaki