custom scrollbars, portable storage, window state persistence

src/lib/schemas.ts

@@ -57,6 +57,14 @@ export const boardSchema = z.object({
   settings: boardSettingsSchema.default({ attachmentMode: "link", background: "none" }),
 });
 
+export const windowStateSchema = z.object({
+  x: z.number(),
+  y: z.number(),
+  width: z.number(),
+  height: z.number(),
+  maximized: z.boolean(),
+});
+
 export const appSettingsSchema = z.object({
   theme: z.enum(["light", "dark", "system"]).default("system"),
   dataDirectory: z.string().nullable().default(null),
@@ -65,4 +73,5 @@ export const appSettingsSchema = z.object({
   uiZoom: z.number().min(0.75).max(1.5).default(1),
   density: z.enum(["compact", "comfortable", "spacious"]).default("comfortable"),
   defaultColumnWidth: z.enum(["narrow", "standard", "wide"]).default("standard"),
+  windowState: windowStateSchema.nullable().default(null),
 });