From 9b2ad7aac3be190a451a9355bb33ea2935ec7756 Mon Sep 17 00:00:00 2001
From: Felix <24791380+vcfgv@users.noreply.github.com>
Date: Mon, 8 Dec 2025 16:45:50 +0800
Subject: [PATCH 1/3] fix(strategy): add warning for non-intended exchange_id
 in virtual trading mode

---
 python/valuecell/server/api/routers/strategy_agent.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/python/valuecell/server/api/routers/strategy_agent.py b/python/valuecell/server/api/routers/strategy_agent.py
index fc3133590..c57aacab0 100644
--- a/python/valuecell/server/api/routers/strategy_agent.py
+++ b/python/valuecell/server/api/routers/strategy_agent.py
@@ -14,6 +14,7 @@
     StrategyStatus,
     StrategyStatusContent,
     StrategyType,
+    TradingMode,
     UserRequest,
 )
 from valuecell.config.loader import get_config_loader
@@ -73,6 +74,15 @@ def _safe_config_dump(req: UserRequest) -> dict:
             request.trading_config.initial_free_cash = (
                 request.trading_config.initial_capital
             )
+            if (
+                request.exchange_config.trading_mode == TradingMode.VIRTUAL
+                and request.exchange_config.exchange_id not in {None, ""}
+            ):
+                logger.warning(
+                    "Virtual trading requested on non-default exchange_id '{}'. Ensure this is intended.",
+                    request.exchange_config.exchange_id,
+                )
+                request.exchange_config.exchange_id = ""
             # Ensure we only serialize the core UserRequest fields, excluding conversation_id
             user_request = UserRequest(
                 llm_model_config=request.llm_model_config,

From d23cbaea0c61d009addb07e65542fbc429d67131 Mon Sep 17 00:00:00 2001
From: Felix <24791380+vcfgv@users.noreply.github.com>
Date: Mon, 8 Dec 2025 16:47:19 +0800
Subject: [PATCH 2/3] fix(strategy): set exchange_id to None for virtual
 trading requests on non-default exchange

---
 python/valuecell/server/api/routers/strategy_agent.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/valuecell/server/api/routers/strategy_agent.py b/python/valuecell/server/api/routers/strategy_agent.py
index c57aacab0..ec0aa6ac3 100644
--- a/python/valuecell/server/api/routers/strategy_agent.py
+++ b/python/valuecell/server/api/routers/strategy_agent.py
@@ -82,7 +82,7 @@ def _safe_config_dump(req: UserRequest) -> dict:
                     "Virtual trading requested on non-default exchange_id '{}'. Ensure this is intended.",
                     request.exchange_config.exchange_id,
                 )
-                request.exchange_config.exchange_id = ""
+                request.exchange_config.exchange_id = None
             # Ensure we only serialize the core UserRequest fields, excluding conversation_id
             user_request = UserRequest(
                 llm_model_config=request.llm_model_config,

From 653d2e5f5ca4c0f3f581047fb3cc7206d857d8a3 Mon Sep 17 00:00:00 2001
From: Felix <24791380+vcfgv@users.noreply.github.com>
Date: Mon, 8 Dec 2025 17:16:11 +0800
Subject: [PATCH 3/3] fix(config): remove redundant '(free)' label from Grok
 4.1 Fast model name

---
 python/configs/providers/openrouter.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/configs/providers/openrouter.yaml b/python/configs/providers/openrouter.yaml
index 2f89555ec..27e76d08f 100644
--- a/python/configs/providers/openrouter.yaml
+++ b/python/configs/providers/openrouter.yaml
@@ -38,7 +38,7 @@ models:
   - id: "google/gemini-3-pro-preview"
     name: "Gemini 3 Pro Preview"
   - id: "x-ai/grok-4.1-fast"
-    name: "Grok 4.1 Fast(free)"
+    name: "Grok 4.1 Fast"
 
 # ============================================
 # Embedding Models Configuration