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

start.sh

@@ -419,9 +419,31 @@ _resolve_bin() {
     return 1
 }
 
+find_playwright_chromium() {
+    # Playwright Chromium 无 snap AppArmor 限制，ReinerBRO/grok-register 同款优先路径
+    local root cand
+    for root in \
+        "${HOME}/.cache/ms-playwright" \
+        "${LOCALAPPDATA:-}/ms-playwright"; do
+        [ -d "$root" ] || continue
+        # 取最新 chromium-* 目录
+        cand=$(find "$root" -maxdepth 3 -type f \( -path '*/chrome-linux64/chrome' -o -path '*/chrome-linux/chrome' -o -path '*/chrome-win64/chrome.exe' \) 2>/dev/null | sort -r | head -1 || true)
+        if [ -n "$cand" ] && [ -x "$cand" ] || [ -f "$cand" ]; then
+            echo "$cand"
+            return 0
+        fi
+    done
+    return 1
+}
+
 find_chromium_bin() {
     local candidate p
-    # 优先 deb/系统包路径，snap 放后面（且不 resolve 成 /usr/bin/snap）
+    # 1) Playwright Chromium（推荐，服务器无 AppArmor/snap 坑）
+    if p="$(find_playwright_chromium 2>/dev/null)"; then
+        echo "$p"
+        return 0
+    fi
+    # 2) deb/系统包路径，snap 放后面（且不 resolve 成 /usr/bin/snap）
     for candidate in \
         /usr/bin/chromium \
         /usr/bin/chromium-browser \
@@ -439,7 +461,7 @@ find_chromium_bin() {
             esac
             # 必须像 chromium
             case "$p" in
-                *chromium*|*Chromium*)
+                *chromium*|*Chromium*|*chrome-linux*)
                     echo "$p"
                     return 0
                     ;;