Merge origin/master into shakapacker-9.3.0 branch

Resolved conflicts:
- lib/react_on_rails/engine.rb: Kept our enhanced validation skip logic
- Fixed ESLint errors in RSC files by adding React import for JSX

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: justin808

packages/react-on-rails-pro/src/RSCProvider.tsx

@@ -14,7 +14,7 @@
 
 'use client';
 
-import { createContext, useContext, type ReactNode } from 'react';
+import React, { createContext, useContext, type ReactNode } from 'react';
 import type { ClientGetReactServerComponentProps } from './getReactServerComponent.client.ts';
 import { createRSCPayloadKey } from './utils.ts';
 

packages/react-on-rails-pro/src/RSCRoute.tsx

@@ -16,7 +16,7 @@
 
 'use client';
 
-import { Component, use, type ReactNode } from 'react';
+import React, { Component, use, type ReactNode } from 'react';
 import { useRSC } from './RSCProvider.tsx';
 import { ServerComponentFetchError } from './ServerComponentFetchError.ts';