weather: add synthetic rain and snow simulation states

config.js

@@ -101,9 +101,22 @@ window.CONFIG = {
     // false = live Open-Meteo conditions (also used for the theme choice).
     // true  = cycle sunny -> cloudy -> stormy -> night, useful to compare
     //         all weather looks without waiting on the API.
-    weatherSim: true,             // test mode: cycles sunny/cloudy/stormy/night
+    weatherSim: true,             // test mode: cycles configured weather states
     weatherSimInterval: 15000,    // ms per weather step when weatherSim is true
     // weatherSim: false, weatherSimInterval: 30000
+    // Synthetic weather states used by weatherSim. Each state sets theme,
+    // Open-Meteo-like weather_code, temperature, humidity, precipitation and wind.
+    weatherSimStates: ['sunny', 'cloudy', 'rain', 'snow', 'stormy', 'night'],
+    weatherSimProfile: {
+        sunny:  { code: 0,  tempC: 18, humidity: 45, precipMm: 0.0, snowMm: 0.0, windKmh: 8,  windDirDeg: 240 },
+        cloudy: { code: 3,  tempC: 14, humidity: 70, precipMm: 0.0, snowMm: 0.0, windKmh: 14, windDirDeg: 260 },
+        rain:   { code: 61, tempC: 10, humidity: 92, precipMm: 1.2, snowMm: 0.0, windKmh: 22, windDirDeg: 270 },
+        snow:   { code: 73, tempC: -2, humidity: 85, precipMm: 0.4, snowMm: 0.8, windKmh: 12, windDirDeg: 300 },
+        stormy: { code: 95, tempC: 16, humidity: 88, precipMm: 2.5, snowMm: 0.0, windKmh: 35, windDirDeg: 250 },
+        night:  { code: 0,  tempC: 8,  humidity: 65, precipMm: 0.0, snowMm: 0.0, windKmh: 6,  windDirDeg: 220 }
+        // weatherSimStates: ['sunny', 'rain', 'stormy']
+        // weatherSimProfile: { rain: { code: 80, tempC: 9, precipMm: 2.0, windKmh: 28 } }
+    },
 
     // ------------------------------------------------------------------
     // Weather data
@@ -183,7 +196,7 @@ window.CONFIG = {
         // only ever reports sunny/cloudy/stormy, so the deck keeps that
         // coverage through the night as well - 'night' is used by the weather
         // simulation (weatherSim: true) alone.
-        density: { sunny: 0.25, cloudy: 0.50, stormy: 0.80 },
+        density: { sunny: 0.25, cloudy: 0.50, rain: 0.75, snow: 0.65, stormy: 0.80 },
         // 'night' intentionally has no own density: it follows the last
         // non-night weather density (sunny/cloudy/stormy).
         // Cloud motion from Open-Meteo wind. Open-Meteo reports wind FROM
@@ -197,7 +210,7 @@ window.CONFIG = {
             // wind: { speedScale: 0 }         // static clouds
             // wind: { speedScale: 140, maxSpeed: 0.12 } // very visible motion
         }
-        // density: { sunny: 0.05, cloudy: 0.9, stormy: 1.0 }
+        // density: { sunny: 0.05, cloudy: 0.9, rain: 0.95, snow: 0.85, stormy: 1.0 }
     },
 
     // ------------------------------------------------------------------
@@ -538,7 +551,7 @@ window.CONFIG = {
     // time, 1440 = one simulated day per minute. Clock hands, digital readout,
     // weather and sky all use the same clock. Hash overrides: #at=... #speed=...
     day: {
-        startAt: '2026-10-12T18:30', // test clock: evening, then accelerated
+        startAt: '2026-01-15T18:30', // test clock: winter evening, then accelerated
         speed: 1440                  // one simulated day per minute
         // startAt: null, speed: 1   // real time
     },