settings: refactor for read-only handling

- Remove default-* copying logic
- Allow in-memory changes of settings/session datas
- Convert SessionData to newer spec pattern
- Migrate weather coords to Session data
- Bricks home manager (temporarily)

quickshell/Common/settings/SessionSpec.js

@@ -0,0 +1,63 @@
+.pragma library
+
+var SPEC = {
+    isLightMode: { def: false },
+    doNotDisturb: { def: false },
+
+    wallpaperPath: { def: "" },
+    perMonitorWallpaper: { def: false },
+    monitorWallpapers: { def: {} },
+    perModeWallpaper: { def: false },
+    wallpaperPathLight: { def: "" },
+    wallpaperPathDark: { def: "" },
+    monitorWallpapersLight: { def: {} },
+    monitorWallpapersDark: { def: {} },
+    wallpaperTransition: { def: "fade" },
+    includedTransitions: { def: ["fade", "wipe", "disc", "stripes", "iris bloom", "pixelate", "portal"] },
+
+    wallpaperCyclingEnabled: { def: false },
+    wallpaperCyclingMode: { def: "interval" },
+    wallpaperCyclingInterval: { def: 300 },
+    wallpaperCyclingTime: { def: "06:00" },
+    monitorCyclingSettings: { def: {} },
+
+    nightModeEnabled: { def: false },
+    nightModeTemperature: { def: 4500 },
+    nightModeHighTemperature: { def: 6500 },
+    nightModeAutoEnabled: { def: false },
+    nightModeAutoMode: { def: "time" },
+    nightModeStartHour: { def: 18 },
+    nightModeStartMinute: { def: 0 },
+    nightModeEndHour: { def: 6 },
+    nightModeEndMinute: { def: 0 },
+    latitude: { def: 0.0 },
+    longitude: { def: 0.0 },
+    nightModeUseIPLocation: { def: false },
+    nightModeLocationProvider: { def: "" },
+
+    weatherLocation: { def: "New York, NY" },
+    weatherCoordinates: { def: "40.7128,-74.0060" },
+
+    pinnedApps: { def: [] },
+    hiddenTrayIds: { def: [] },
+    recentColors: { def: [] },
+    showThirdPartyPlugins: { def: false },
+    launchPrefix: { def: "" },
+    lastBrightnessDevice: { def: "" },
+
+    brightnessExponentialDevices: { def: {} },
+    brightnessUserSetValues: { def: {} },
+    brightnessExponentValues: { def: {} },
+
+    selectedGpuIndex: { def: 0 },
+    nvidiaGpuTempEnabled: { def: false },
+    nonNvidiaGpuTempEnabled: { def: false },
+    enabledGpuPciIds: { def: [] },
+
+    wifiDeviceOverride: { def: "" },
+    weatherHourlyDetailed: { def: true }
+};
+
+function getValidKeys() {
+    return Object.keys(SPEC).concat(["configVersion"]);
+}