Add ban tester, signup prep, exit IP intel, and sticky-exit hold.

New GUI tabs probe popular sites for exit-IP bans and prep signup autofill through the chain; Live tab shows geo/ASN/datacenter flags, and sticky-exit keeps the same egress IP during signup flows.

Co-authored-by: Cursor <cursoragent@cursor.com>

proxy_chain_manager/signup_extension/manifest.json

@@ -0,0 +1,21 @@
+{
+  "manifest_version": 2,
+  "name": "Proxy God Signup Autofill",
+  "version": "1.0.0",
+  "description": "Autofills signup forms from Proxy God (manual submit + captcha).",
+  "applications": {
+    "gecko": {
+      "id": "signup-autofill@proxygod"
+    }
+  },
+  "content_scripts": [
+    {
+      "matches": ["<all_urls>"],
+      "js": ["content.js"],
+      "run_at": "document_idle",
+      "all_frames": true
+    }
+  ],
+  "permissions": ["<all_urls>"],
+  "web_accessible_resources": ["autofill_config.json"]
+}