feat(backend): add SIMPLE_STREAMING WebRTC control-path streaming

Backend/tests/media-config.test.ts

@@ -0,0 +1,22 @@
+import { describe, expect, test } from 'bun:test';
+
+import { parseFeatureFlag } from '../media/config';
+
+describe('media config feature flags', () => {
+  test('parses enabled values', () => {
+    expect(parseFeatureFlag('true', false)).toBe(true);
+    expect(parseFeatureFlag('1', false)).toBe(true);
+    expect(parseFeatureFlag('yes', false)).toBe(true);
+  });
+
+  test('parses disabled values', () => {
+    expect(parseFeatureFlag('false', true)).toBe(false);
+    expect(parseFeatureFlag('0', true)).toBe(false);
+    expect(parseFeatureFlag('off', true)).toBe(false);
+  });
+
+  test('falls back to default value for unknown input', () => {
+    expect(parseFeatureFlag(undefined, true)).toBe(true);
+    expect(parseFeatureFlag('maybe', false)).toBe(false);
+  });
+});