Test env flag sanity

env.sample

@@ -0,0 +1,8 @@
+# Example environment variables for kalshi-starter-code-python
+
+# API credentials for Kalshi
+KALSHI_API_KEY=your_api_key_here
+KALSHI_API_SECRET=your_api_secret_here
+
+# Environment: "demo" or "prod"
+KALSHI_ENV=demo

tests/test_env_flag_sanity.py

@@ -0,0 +1,12 @@
+import os
+
+
+def test_kalshi_env_flag_present() -> None:
+    """
+    Sanity test to verify that KALSHI_ENV has a reasonable value
+    when running tests in a configured environment.
+    """
+    value = os.getenv("KALSHI_ENV", "")
+    # The variable may be empty in some local setups, so this test is
+    # intentionally lenient and only checks that we can read it.
+    assert value is not None