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/service.py

@@ -79,6 +79,9 @@ class ChainService:
         self._proc = None
         self._settings = load_settings()
         self._current_chain: list[str] = []
+        # Sticky-exit: while time.monotonic() < self._sticky_until, leak-based
+        # auto-rotation is skipped so signup flows keep the same egress IP.
+        self._sticky_until: float = 0.0
 
         # Shuffle-and-drain pool state — never repeat a proxy within a cycle
         self._available: list[str] = []    # proxies not yet used this cycle
@@ -142,6 +145,21 @@ class ChainService:
     def rotate_now(self) -> None:
         self._force_rotate.set()
 
+    def set_sticky(self, seconds: float) -> None:
+        """Hold current exit for ``seconds`` (suppresses leak-driven rotation).
+
+        Manual rotation still works. Pass 0 to clear sticky mode immediately.
+        """
+        if seconds <= 0:
+            self._sticky_until = 0.0
+            return
+        self._sticky_until = time.monotonic() + float(seconds)
+
+    def sticky_remaining(self) -> float:
+        """Seconds remaining on sticky-exit hold (0.0 if not sticky)."""
+        rem = self._sticky_until - time.monotonic()
+        return rem if rem > 0 else 0.0
+
     # ─────────────────────────────────────────────────────────────────────────
 
     def _teardown_network(self) -> None:
@@ -588,6 +606,17 @@ class ChainService:
 
             if is_chain_leak(exit_ip, real_ip, self._vpn.active):
                 reason = leak_reason(exit_ip, real_ip, self._vpn.active)
+                rem = self.sticky_remaining()
+                if rem > 0:
+                    self._notify({
+                        "type": "log",
+                        "text": (
+                            f"Health check flagged ({reason}) — STICKY EXIT active "
+                            f"({int(rem)}s left), skipping rotation."
+                        ),
+                    })
+                    self._notify({"type": "hops", "hops": chain, "status": "healthy", "exit_ip": exit_ip})
+                    continue
                 self._notify({"type": "hops", "hops": chain, "status": "dead", "exit_ip": exit_ip})
                 self._notify({"type": "log", "text": f"Health check failed ({reason}) — rotating."})
                 break