Vendor the command set the menu and shell depend on

bin/blob-weather-icon

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+# blob:summary=Returns a weather condition icon, adjusted for live sunrise and sunset.
+
+# Only consult the helper when a location is stored. Its dynamic fallback would
+# cost an extra wttr.in request when nothing is set; the bare j1 fetch already
+# auto-detects by IP.
+query=""
+if [[ -s "$HOME/.local/state/blob/settings/weather.json" ]]; then
+  location=$(blob-weather-location 2>/dev/null)
+  [[ -n $location ]] && query=$(jq -rn --arg location "$location" '$location | @uri')
+fi
+
+weather_data=$(curl -fsS --max-time 3 "https://wttr.in/${query}?format=j1" 2>/dev/null | jq -er '[.current_condition[0].weatherCode, .weather[0].astronomy[0].sunrise, .weather[0].astronomy[0].sunset] | select(all(. != null and . != "")) | @tsv' 2>/dev/null) || exit 1
+
+IFS=$'\t' read -r weather_code sunrise sunset <<< "$weather_data"
+if [[ ! $weather_code =~ ^[0-9]+$ || ! $sunrise =~ ^[0-9]{1,2}:[0-9]{2}\ [AP]M$ || ! $sunset =~ ^[0-9]{1,2}:[0-9]{2}\ [AP]M$ ]]; then
+  exit 1
+fi
+
+now_epoch=$(date +%s)
+sunrise_epoch=$(date -d "today $sunrise" +%s 2>/dev/null || echo 0)
+sunset_epoch=$(date -d "today $sunset" +%s 2>/dev/null || echo 0)
+
+if (( sunrise_epoch > 0 && sunset_epoch > 0 && (now_epoch < sunrise_epoch || now_epoch >= sunset_epoch) )); then
+  night=true
+else
+  night=false
+fi
+
+case $weather_code in
+  113) [[ $night == "true" ]] && icon="" || icon="" ;;
+  116) [[ $night == "true" ]] && icon="" || icon="" ;;
+  119|122) icon="" ;;
+  143|248|260) icon="" ;;
+  176|263|353) [[ $night == "true" ]] && icon="" || icon="" ;;
+  179|227|230|323|326|368) [[ $night == "true" ]] && icon="" || icon="" ;;
+  182|185|281|284|311|314|317|320|350|362|365|374|377) icon="" ;;
+  200|386|389|392|395) icon="" ;;
+  266|293|296|299|302|305|308|356|359) icon="" ;;
+  329|332|335|338|371) icon="" ;;
+  *) icon="" ;;
+esac
+
+printf '%s\n' "$icon"