Persist brightness level across reboots#24
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sleep=Donald Duck, idle=Bongo Cat, busy=SpongeBob multitasking, attention=Surprised Pikachu (Nouns glasses), celebrate=Peanuts party, dizzy=Powerpuff Girls spiral eyes, heart=heart eyes ghost. Source GIFs in characters/memes-src/, device-ready pack in characters/memes/. Built with prep_character.py at 96x98px, 64 colours per frame. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Track the current peer BD address in onConnect (extended overload). bleRemoveCurrentBond() removes only that peer's LTK from NVS. The "unpair" JSON command now calls this instead of bleClearBonds(), so each host unpairs itself independently. bleClearBonds() is reserved for factory reset only. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Add Settings::bright (0..4) to the NVS-backed settings struct so the brightness selection survives power cycles. Previously brightLevel was a runtime-only global that always reset to 4 on boot. - Move settingsLoad() before applyBrightness() in setup() so the saved value is applied on first draw rather than the hardcoded default - settingsSave() is now called immediately when brightness changes (it was already called for all other settings toggles) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
Motivation
Every other setting (sound, BLE, LED, HUD, clock rotation) already persists across reboots via NVS. Brightness was the only one that didn't, silently reverting to the default on every power cycle.
Test plan
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