Address review feedback on LLM migration prompt docs

Author: justin808

README.md

@@ -21,6 +21,7 @@ While ShakaCode will continue to support this gem, you might consider migrating
 Why? React on Rails code receives much more active development and testing. For example, consider the [ReactRailsUJS](https://github.com/reactjs/react-rails/blob/main/react_ujs/index.js) implementation compared to the [ReactOnRails Node package](https://github.com/shakacode/react_on_rails/tree/master/node_package) which is written in TypeScript. For another example, React on Rails has work underway to support the latest React features, such as [React Server Components](https://react.dev/reference/rsc/server-components).
 
 You can find [migration to React on Rails steps here](https://github.com/reactjs/react-rails/blob/main/docs/migrating-from-react-rails-to-react_on_rails.md).
+
 For the fastest path, try the [LLM-assisted migration prompt](https://github.com/reactjs/react-rails/blob/main/docs/migrating-from-react-rails-to-react_on_rails.md#llm-assisted-migration-prompt).
 
 ---

docs/migrating-from-react-rails-to-react_on_rails.md

@@ -66,9 +66,13 @@ You can also check [react-rails-to-react-on-rails](https://github.com/shakacode/
 
 You can usually do a safe first-pass migration quickly with a coding assistant. Give it this prompt:
 
+If your assistant cannot browse URLs, paste this migration guide content directly into the prompt context before running the template.
+
 ```text
 You are a senior Rails + React engineer. Migrate this app from react-rails to react_on_rails.
 
+Before starting, ask me for the relevant files (at minimum: Gemfile, package.json, JS entrypoints, config/initializers, and representative react_component usages).
+
 Use this guide as the source of truth:
 https://github.com/reactjs/react-rails/blob/main/docs/migrating-from-react-rails-to-react_on_rails.md
 
@@ -85,7 +89,7 @@ Requirements:
    - show commands run
    - show exact files changed
 4. Do not remove behavior unless you explain the replacement.
-5. Run tests/lint after each phase and report failures before continuing.
+5. After each phase, tell me the exact test/lint commands to run and wait for my output before continuing.
 6. End with:
    - a migration checklist
    - rollback steps
@@ -94,7 +98,7 @@ Requirements:
    - if `rails g react_on_rails:install` fails to install JS deps, run the install commands shown by the generator
    - remove leftover `react_ujs` / `ReactRailsUJS` references
    - remove or replace stale `server_rendering.js` entries if present
-   - run `bundle exec rails shakapacker:compile` and fix compile errors before finalizing
+   - if using Shakapacker, run `bundle exec rails shakapacker:compile` and fix compile errors before finalizing
 ```
 
 Review all generated diffs before merging.