Allow configuration through a file and export images automatically

Introduce a configuration file for all settings, remove the web-based config editor, fix the grid display, and add automatic hourly PNG exports.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 0385ea33-cde8-4bbd-8fce-8d192d30eb41
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/870d08ce-da3b-4822-9874-c2fe2b7628b1/0385ea33-cde8-4bbd-8fce-8d192d30eb41/Zffw2vY

server/storage.ts

@@ -1,5 +1,6 @@
 import { type Pixel, type InsertPixel, type CanvasConfig, type InsertCanvasConfig, type UserCooldown, type InsertUserCooldown } from "@shared/schema";
 import { randomUUID } from "crypto";
+import { config } from "./config";
 
 export interface IStorage {
   // Pixel operations
@@ -29,13 +30,13 @@ export class MemStorage implements IStorage {
     this.userCooldowns = new Map();
     this.config = {
       id: randomUUID(),
-      canvasWidth: 100,
-      canvasHeight: 100,
-      defaultCooldown: 5,
-      enableAutomaticEvents: false,
-      eventDuration: 30,
-      eventInterval: 6,
-      showGridByDefault: true,
+      canvasWidth: config.canvasWidth,
+      canvasHeight: config.canvasHeight,
+      defaultCooldown: config.defaultCooldown,
+      enableAutomaticEvents: config.enableAutomaticEvents,
+      eventDuration: config.eventDurationMinutes,
+      eventInterval: config.eventIntervalHours,
+      showGridByDefault: config.showGridByDefault,
       updatedAt: new Date(),
     };
   }