fix(weather): night sunrise label uses the same strict HH:MM validator as the sky math (codex)

Author: botnick

src/components/WeatherHero.tsx

@@ -1,7 +1,7 @@
 import { useEffect, useMemo, useRef, useState } from "react";
 import type { Weather } from "../lib/api";
 import { bkkClock } from "../lib/format";
-import { condText, feelsLike, skyPhase, skyWx, sunPos, solarInfo, type SkyPhase, type SkyWx } from "../lib/weather";
+import { hm, condText, feelsLike, skyPhase, skyWx, sunPos, solarInfo, type SkyPhase, type SkyWx } from "../lib/weather";
 
 /* Live sky for the weather tab: the real time of day (from the location's sunrise/sunset),
    the sun on its actual arc, the moon + stars at night, and clouds / rain / lightning that
@@ -119,7 +119,7 @@ export function WeatherHero({ weather: w, force }: { weather: Weather; force?: {
         </div>
 
         {night ? (
-          <div className="wh-pv"><span>กลางคืน · แผงพักการผลิต</span><span className="dim">รอแดด {/^\d{1,2}:\d{2}$/.test(w.sun?.rise || "") ? `${w.sun!.rise} น.` : "พรุ่งนี้"}</span></div>
+          <div className="wh-pv"><span>กลางคืน · แผงพักการผลิต</span><span className="dim">รอแดด {hm(w.sun?.rise) != null ? `${w.sun!.rise!.trim()} น.` : "พรุ่งนี้"}</span></div>
         ) : (
           <div className="wh-pv">
             <span>แสงแดดวันนี้ · {solar.label}</span><span>{solar.pct}%</span>

src/lib/weather.ts

@@ -42,7 +42,7 @@ export const siteMinutes = (now: Date) => {
   return ((m % 1440) + 1440) % 1440;
 };
 // strict "HH:MM" → minutes; anything else (e.g. the "—" placeholder) → null, never 00:00
-const hm = (s?: string | null): number | null => {
+export const hm = (s?: string | null): number | null => {
   const m = /^(\d{1,2}):(\d{2})$/.exec(String(s ?? "").trim());
   if (!m) return null;
   const h = +m[1], mi = +m[2];