SnowSignal v1.0.0-beta.3 — polish release

[DawsonCodes]

SnowSignal v1.0.0-beta.3 — polish beta (not a stable release)

A focused polish pass on the existing transparent, deterministic engine. No backend, no framework, no build step, no new runtime dependencies, no analytics/tracking. Stays fully static under GitHub Pages /snowsignal/, and beta.2 preferences, saved/recent locations, and share links keep working.

What changed

1. Open-source polish — package.json renamed to snowsignal + "license": "MIT" + version bump; new CONTRIBUTING.md; README Open source section; compact footer MIT License + View source links. Root LICENSE (MIT, © 2026 DawsonCodes) preserved exactly.
2. Wider desktop layout — ~1080px workspace, full-width search + school controls on top, two-column result workspace (factor breakdown beside weather details) on wide screens. Clean single-column mobile, no horizontal overflow, not edge-to-edge on ultrawide.
3. Schedule context panel — weekend / summer-break / winter-break reminders moved into a separate compact, expandable card, hidden until a result exists, clearly labeled heuristic; dismiss preserved. Engine logic unchanged.
4. Themes simplified to System / Light / Dark (removed Midnight snow + unused frost/slate tokens). Legacy midnight/midnight-snow/frost/slate preferences migrate to Dark. Header sun/moon toggles Light↔Dark only; a read-only System detected: Dark/Light badge shows while on System. Atmosphere stays independent and is tuned for both themes.
5. Accent-hue customization — constrained hue slider (locked saturation/lightness) driving --accent-h; applied to accent, borders, ambient glow. Reset accent included; status colors stay distinct. Persisted in localStorage.
6. Wider tabbed Settings modal (~760px): Appearance / Weather / Data / About, accessible tab semantics + arrow-key nav, focus trap / Esc / X / click-outside preserved, pills instead of a radio wall.
7. No unnecessary animation replays — entrance animations run only after a new successful forecast; theme/atmosphere/accent/motion/unit and scoring tweaks update in place.
8. Winter-weather plausibility gate — isolated hasMeaningfulWinterHazard(); benign weather resolves closure & delay to 0% with an explanation. Sensitivity / warm wind / month can't create risk; out-of-season storms still count.
9. Date & freshness header — location-local date, forecast window, and a timezone-aware "Updated …" stamp.
10. Collapsible Weather details — temp/low/high, window snowfall, gusts, snow depth, alert status, hourly outlook with an accessible text equivalent. Collapsed by default on small screens.
11. Honest local estimate counter — device-local, footer + About, with reset.
12. Loading/error states — friendlier messages (no raw errors), a Try again action that re-runs the last action, coordinate fallback preserved.
13. Footer cleanup — brand, © 2026, MIT License, View source, weather + alert attribution, "Client-only · No tracking", and the not-affiliated disclaimer.
14. Migration audit — retired theme code removed only after migration is covered; relative paths intact; no debug leftovers.
15. Versioning/docs — 1.0.0-beta.3 across package.json, README, CHANGELOG, ROADMAP, and the in-app About tab.

Tests

node --test → 94 passing. Added/updated coverage: plausibility gate (warm/zero, sensitivity-alone, warm-wind-alone, real hazards, out-of-season), theme migration, accent + estimate-counter persistence/reset, date/freshness formatting, animation-replay prevention (DOM-stub), tabbed/wider modal + accent props + removed-theme + schedule-context CSS guards, MIT/version/changelog/contributing meta. Existing engine/weather/calendar/storage/url/atmosphere/relative-path tests still green.

Manual checks

• Served locally; ES-module MIME text/javascript, CSS text/css, all assets resolve via relative paths.
• No console errors or debug leftovers in source.

Limitations / notes

• The result date uses the location's wall-clock date derived from the forecast's UTC offset (falls back to browser zone); the Updated stamp uses the location IANA timezone.
• Accent uses a hue slider per the chosen design; status colors are intentionally fixed.

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[chatgpt-codex-connector]

Keep selectable accent hues readable in light mode

When the user selects a yellow, green, or cyan accent in light mode, this fixed 60% lightness makes --accent-strong nearly disappear against white/light surfaces; for example, hue 60 has only about a 1.2:1 contrast ratio. Since this token colors all links plus Weather details headings, selected settings tabs, and selected pills, those controls become difficult to read. Use a darker light-theme foreground token or otherwise constrain/adjust the selectable hues to preserve text contrast.

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