diff --git a/agent_v0/agent_v1/core/executor.py b/agent_v0/agent_v1/core/executor.py
index d3d0f9a34..85733c2ca 100644
--- a/agent_v0/agent_v1/core/executor.py
+++ b/agent_v0/agent_v1/core/executor.py
@@ -675,6 +675,68 @@ class ActionExecutorV1:
         )
         return None
 
+    def _try_dialog_resolver_server(
+        self,
+        current_title: str,
+    ) -> Optional[Dict[str, Any]]:
+        """P1 : fallback DialogResolver serveur si catalog local pas de match.
+
+        Léa interroge l'endpoint ``/api/v1/dialog/resolve`` qui consulte
+        le catalog centralisé (10 entrées vs 2 locales). Si match auto +
+        action click_button, convertit le format ``DialogResolution`` en
+        ``dialog_spec`` compatible avec ``_handle_known_runtime_dialog``
+        (réutilise la cascade serveur VLM + template existante).
+
+        Désactivé si ``RPA_DIALOG_RESOLVER_AGENT_ENABLED`` n'est pas
+        positionné (flag agent séparé du flag serveur). Retour ``None``
+        sur 503 (flag serveur OFF), pas de match, policy != auto, ou
+        action incompatible.
+        """
+        if os.environ.get("RPA_DIALOG_RESOLVER_AGENT_ENABLED", "").lower() not in (
+            "1", "true", "yes", "on"
+        ):
+            return None
+        try:
+            from ..config import SERVER_URL
+            import requests as _requests
+            if not SERVER_URL:
+                return None
+            resp = _requests.post(
+                f"{SERVER_URL.rstrip('/')}/api/v1/dialog/resolve",
+                json={"current_title": current_title, "evidence_texts": []},
+                headers=self._auth_headers(),
+                timeout=3,
+            )
+            if not resp.ok:
+                return None
+            data = resp.json()
+            if not data.get("matched") or data.get("policy") != "auto":
+                return None
+            action = data.get("action") or {}
+            if action.get("type") != "click_button":
+                return None
+            button_labels = action.get("fallback_button_labels") or []
+            if action.get("button_label"):
+                button_labels = [action["button_label"]] + [
+                    b for b in button_labels if b != action["button_label"]
+                ]
+            button_labels = tuple(b for b in button_labels if b)
+            if not button_labels:
+                return None
+            logger.info(
+                f"[P1-DialogResolver] Match serveur: dialog={data.get('dialog_id')} "
+                f"button_texts={button_labels}"
+            )
+            return {
+                "id": f"server:{data.get('dialog_id')}",
+                "title_patterns": (),
+                "button_texts": button_labels,
+                "skip_current_action_after_handle": True,
+            }
+        except Exception as exc:
+            logger.warning(f"[P1-DialogResolver] échec: {exc}")
+            return None
+
     def _maybe_handle_runtime_dialog_before_pause(
         self,
         action: Dict[str, Any],
@@ -691,6 +753,9 @@ class ActionExecutorV1:
         on applique le reflexe associe.
         """
         dialog_spec = self._match_known_runtime_dialog(current_title)
+        if not dialog_spec:
+            # P1 : fallback DialogResolver serveur si catalog local pas de match
+            dialog_spec = self._try_dialog_resolver_server(current_title)
         if not dialog_spec:
             return None