fix missing credentials

.gitignore

@@ -5,6 +5,7 @@ g3/data/mp16/MP16_Pro_filtered.csv
 index
 checkpoints
 data
+keys
 
 # venv and dev stuff
 linuxenv

app.py

@@ -14,6 +14,34 @@ from src.g3_batch_prediction import G3BatchPredictor
 
 from src.utils import load_images_as_base64
 
+ENV = os.getenv("ENV")
+cred_json = os.getenv("GOOGLE_CREDENTIALS_JSON")
+
+if ENV == "hf":
+    if cred_json:
+        try:
+            # Parse để đảm bảo JSON hợp lệ
+            json.loads(cred_json)
+
+            file_path = "google-credentials.json"
+            with open(file_path, "w") as f:
+                f.write(cred_json)
+
+            # Set lại env để google auth tự nhận
+            os.environ["GOOGLE_APPLICATION_CREDENTIALS"] = file_path
+
+            print("[INFO] Google credentials saved to", file_path)
+
+        except json.JSONDecodeError:
+            print("[ERROR] GOOGLE_CREDENTIALS_JSON is not valid JSON")
+
+    else:
+        print("[ERROR] GOOGLE_CREDENTIALS_JSON is missing")
+
+else:
+    # DEV mode (local)
+    print("[INFO] ENV != hf → skip Google credentials setup")
+
 
 class EvidenceResponse(BaseModel):
     analysis: Annotated[