v1.1.4 — events peak-hold retune + diagnostics

Changes

• Events (long-window) peak-hold retuned. It now tracks the real peak and decays cleanly instead of holding a long flat plateau:
  • new events_input_coeff knob (default 0.40 = legacy); set to 0.75 so the peak-hold reaches the true peak level.
  • hold 20 s → 4 s, glide 0.10 → 0.30 — short hold, brisk decay. Each event reads as a quick peak, not a smeared hump.
• Diagnostics: new Sentinel Version sensor (shows the build tag); status LED disabled by default in HA (boot/Wi-Fi status still works).
• Regenerated the DSP figure; docs updated.

The live-trace smoothing (attack_coeff 0.4) and squawk/cry alarms are unchanged. Alarms trigger on the raw peak.

Upgrade

Set sentinel_version: v1.1.4 in your device config, then Install. No wiring changes.

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