test: cover Qoder environment variable parsing

Change-Id: Id4732993b917693bf0d6e7a58a0a1ab96b37515b

Author: heimanba

packages/sdk/tests/fixtures/agent-environment-variables.yaml

@@ -0,0 +1,16 @@
+version: "1"
+
+providers:
+  qoder:
+    api_key: test-token
+
+defaults:
+  provider: qoder
+
+agents:
+  assistant:
+    model: auto
+    instructions: Test environment variable parsing.
+    environment_variables:
+      FEATURE_FLAG: "on"
+      RETRY_COUNT: "3"

packages/sdk/tests/unit/parser.test.ts

@@ -54,3 +54,12 @@ test("loads official MCP server references without urls", async () => {
 		},
 	]);
 });
+
+test("preserves Agent environment variables from YAML", async () => {
+	const { config, errors } = await loadConfig(resolve(FIXTURES, "agent-environment-variables.yaml"));
+	expect(errors).toEqual([]);
+	expect(config.agents?.assistant?.environment_variables).toEqual({
+		FEATURE_FLAG: "on",
+		RETRY_COUNT: "3",
+	});
+});