From ae0b0afaaa683fad5936f5babe223993ddb90e62 Mon Sep 17 00:00:00 2001
From: Yevgeny Kulikov <86586195+justgithubaccount@users.noreply.github.com>
Date: Fri, 8 Aug 2025 09:31:30 +0300
Subject: [PATCH] Enforce non-empty messages list

---
 apps/chat/app/schemas/chat.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/apps/chat/app/schemas/chat.py b/apps/chat/app/schemas/chat.py
index dfb3aae..378816d 100644
--- a/apps/chat/app/schemas/chat.py
+++ b/apps/chat/app/schemas/chat.py
@@ -14,7 +14,12 @@ class Message(BaseModel):
 class ChatRequest(BaseModel):
     model_config = ConfigDict(populate_by_name=True)
     
-    messages: List[Message] = Field(..., examples=[[{"role": "user", "content": "Hi"}]])
+    messages: List[Message] = Field(
+        ...,
+        min_length=1,
+        examples=[[{"role": "user", "content": "Hi"}]],
+        description="At least one message must be provided.",
+    )
     user_api_key: Optional[str] = Field(None, alias="userApiKey", examples=["sk-..."])
 
 class ChatResponse(BaseModel):