fix: also support openrouter in app.py

app.py

@@ -14,18 +14,10 @@ from config import (
     get_model_class,
     DEFAULT_MODEL,
     DEFAULT_TEMPERATURE,
+    setup_environment_variables,
 )
 
-
-# Simple API key setup
-if "OPENAI_API_KEY" in st.secrets:
-    os.environ["OPENAI_API_KEY"] = st.secrets["OPENAI_API_KEY"]
-if "ANTHROPIC_API_KEY" in st.secrets:
-    os.environ["ANTHROPIC_API_KEY"] = st.secrets["ANTHROPIC_API_KEY"]
-if "GOOGLE_API_KEY" in st.secrets:
-    os.environ["GOOGLE_API_KEY"] = st.secrets["GOOGLE_API_KEY"]
-if "HF_TOKEN" in st.secrets:
-    os.environ["HF_TOKEN"] = st.secrets["HF_TOKEN"]
+setup_environment_variables(st.secrets)
 
 
 def convert_google_to_mapcrunch_url(google_url):

config.py

@@ -94,6 +94,23 @@ MODELS_CONFIG = {
     },
 }
 
+POSSIBLE_API_KEYS = [
+    "OPENAI_API_KEY",
+    "ANTHROPIC_API_KEY",
+    "GOOGLE_API_KEY",
+    "HF_TOKEN",
+    "OPENROUTER_API_KEY",
+]
+
+
+def setup_environment_variables(st_secrets=None):
+    for key in POSSIBLE_API_KEYS:
+        # Try Streamlit secrets first if provided
+        if st_secrets and key in st_secrets:
+            os.environ[key] = st_secrets[key]
+        elif key in os.environ:
+            continue
+
 
 def get_model_class(class_name):
     """Get actual model class from string name"""