feat(content): add rich content rendering with @mentions and vote segments

- Add PostContentRenderer component for rendering posts/comments with segments
- Add PostMentionInput component for @mention support in post/comment creation
- Add VoteSegmentData and vote segment type for unified post creation API
- Update post and comment services to support segments in API requests
- Fix auth service to clear tokens before login/register
- Improve database initialization with proper close/retry logic
- Add verification check before allowing post creation
- Add metro web shims for react-native-webrtc full package and requireNativeComponent
- Update build config with git hash based version numbers

web-shims/react-native/Libraries/ReactNative/requireNativeComponent.js

@@ -0,0 +1,18 @@
+const React = require('react');
+
+function requireNativeComponent(componentName) {
+  const componentNameClean = componentName
+    .replace(/^RNC/, '')
+    .replace(/^RNS/, '')
+    .replace(/^RN/, '');
+
+  const NativeComponent = React.forwardRef((props, ref) => {
+    const { children, ...rest } = props;
+    return React.createElement('div', { ...rest, ref, 'data-native-component': componentNameClean }, children);
+  });
+  NativeComponent.displayName = componentName;
+
+  return NativeComponent;
+}
+
+module.exports = requireNativeComponent;