feat(ui): boot / loading splash at startup - #80
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On power-up the dashboard was built immediately but sat empty and motionless for ~20-30 s (Wi-Fi join + boot-time OTA check + first Bambuddy fetch), which read as a frozen/hung UI. Add a full-screen boot splash — the Bamboard wordmark, a spinner, and a status line that walks the boot phases — built visible and dismissed by the UI manager the moment printer data arrives (or after BOOT_SPLASH_MAX_MS = 25 s, so an unreachable Bambuddy can't pin it). - overlays.cpp: build_boot_overlay + boot_overlay_set_status / hide / is_visible. - ui.cpp: built LAST in begin() (top z-order, starts visible); refresh() hides it once n>0 || timeout. - main.cpp: per-phase status (BOOT_WIFI default -> BOOT_UPDATE before the OTA check -> BOOT_CONNECT before tasks), pumping LVGL so the spinner animates through the Wi-Fi-connect wait. - i18n: BOOT_WIFI / BOOT_UPDATE / BOOT_CONNECT in all five languages. - sim: render the splash to boot.png (preview + visual-regression coverage). Existing fixtures are unaffected (the sim injects printers, so refresh() hides the splash before each screen renders). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
The boot splash (overlays.cpp build_boot_overlay) uses lv_spinner, which the firmware lv_conf already enables but the sim's trimmed lv_conf had off — the sim build failed with 'lv_spinner_create was not declared'. Enable it (LV_USE_ARC, its dependency, is already on). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Commit the deterministic sim render of the new boot/loading splash as a visual baseline (English + de/es/fr/pt, the latter differing only in the status line). The spinner is rendered without advancing lv_tick, so it sits at a fixed angle — byte-reproducible like the other fixtures. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Boot / loading splash
On power-up the dashboard was built immediately but sat empty and motionless for ~20-30 s (Wi-Fi join + boot-time OTA check + first Bambuddy fetch) — it read as a frozen UI. This adds a full-screen boot splash: the Bamboard wordmark, a spinner, and a status line that walks the boot phases (Connecting to Wi-Fi… → Checking for updates… → Connecting to Bambuddy…). Built visible at startup; the UI manager dismisses it the moment printer data arrives (or after a 25 s grace period so an unreachable Bambuddy can't pin it). All five UI languages.
Existing visual baselines are unaffected — the sim injects printers, so
refresh()hides the splash before each screen renders. A newboot.pngfixture renders the splash for preview + regression coverage.🤖 Generated with Claude Code