diff --git a/src/adapters/openai_adapter.py b/src/adapters/openai_adapter.py
index d2e0a50..7229fac 100644
--- a/src/adapters/openai_adapter.py
+++ b/src/adapters/openai_adapter.py
@@ -109,7 +109,13 @@ class OpenAIAdapter(ModelAdapter):
 
             # Finish
             if choice.finish_reason:
-                if choice.finish_reason == "tool_calls":
+                # IMPORTANTE: DeepSeek (endpoint OpenAI) a veces cierra el stream
+                # con finish_reason="stop" AUNQUE haya emitido tool_calls. Si nos
+                # fiamos solo de =="tool_calls" perdemos esos tool calls: el agente
+                # anuncia la accion en texto y "se para" sin ejecutarla. Por eso
+                # disparamos los tool_use SIEMPRE que haya tool calls acumulados,
+                # sea cual sea el finish_reason.
+                if tool_calls_acc:
                     for acc in tool_calls_acc.values():
                         yield StreamChunk(
                             tool_call_id=acc["id"],
@@ -123,7 +129,7 @@ class OpenAIAdapter(ModelAdapter):
                 else:
                     yield StreamChunk(
                         finish_reason="end_turn"
-                        if choice.finish_reason == "stop"
+                        if choice.finish_reason in ("stop", "tool_calls")
                         else choice.finish_reason,
                         usage=final_usage,
                     )