hermes-explorigin ff73e58d31 Add toggleable lightning strike layer to the radar map ...

- Lightning layer on PrecipitationRadar: toggleable ⚡ button (persisted via
  showLightning setting). When on, fetches recent strikes from the planned CORS
  relay and renders them as markers that pan/zoom with the slippy map.
- New src/lib/api/lightning.js: fetchLightningStrikes() reads
  https://cors.thecookiejar.me/lightning?lat&lon&radiusKm&limit (relay NOT
  deployed yet) with an 8s abort timeout and graceful failure - never blocks or
  crashes the map, shows an unavailable banner instead. Exports pure
  projectStrikeToLayer() for Mercator tile-layer marker projection.
- showLightning setting added to DEFAULT_SETTINGS + app store; toggle persists.
- Tests: fetch URL/parsing/error handling + layer projection. 71 total pass.

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dist

Add toggleable lightning strike layer to the radar map

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public

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scripts

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src

Add toggleable lightning strike layer to the radar map

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tests

Add toggleable lightning strike layer to the radar map

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.gitignore

Add NWS (National Weather Service) as a selectable data source preference

2026-08-16 20:14:07 +00:00

AGENTS.md

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index.html

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jsconfig.json

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package-lock.json

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package.json

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svelte.config.js

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vite.config.js

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Description

Vibe-coded weather app

2.3 MiB

Languages

JavaScript 51.4%

Svelte 45.8%

CSS 2.5%

HTML 0.3%