Refactor registration flow, update config, replace Turnstile patch

- Major refactor of grok_register_ttk.py: improved flow, error handling, logging
- Update config.example.json and config.json with new fields
- Replace turnstilePatch/content.js with new script.js approach
- Update start.sh for better Chromium/Turnstile handling
- Remove deprecated turnstilePatch/content.js

turnstilePatch/script.js

@@ -0,0 +1,24 @@
+function getRandomInt(min, max) {
+    return Math.floor(Math.random() * (max - min + 1)) + min;
+}
+
+// CDP Input.dispatchMouseEvent creates MouseEvent where
+// .screenX/.screenY equal .clientX/.clientY. Cloudflare Turnstile detects
+// this (Chromium issue 40280325). Patch with realistic screen coords.
+// Source: ObjectAscended/CDP-bug-MouseEvent-.screenX-.screenY-patcher
+// Ported from ReinerBRO/grok-register + Git-creat7/grokRegister-cpa.
+
+// old method wouldn't work on 4k screens
+let screenX = getRandomInt(800, 1200);
+let screenY = getRandomInt(400, 600);
+
+Object.defineProperty(MouseEvent.prototype, "screenX", { value: screenX });
+Object.defineProperty(MouseEvent.prototype, "screenY", { value: screenY });
+
+// Best-effort: also cover PointerEvent if present (CF may read either).
+try {
+    if (typeof PointerEvent !== "undefined" && PointerEvent.prototype) {
+        Object.defineProperty(PointerEvent.prototype, "screenX", { value: screenX });
+        Object.defineProperty(PointerEvent.prototype, "screenY", { value: screenY });
+    }
+} catch (e) {}