Update script/convert for workspace structure

- Update Jest command modification to target workspace package.json
- Add workspace package peerDependencies React version updates
- Add clarifying comment about dev dependencies location
- Ensures convert script works correctly with Phase 3 workspace structure

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

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

Author: AbanoubGhadban

script/convert

@@ -22,6 +22,7 @@ gsub_file_content("../Gemfile.development_dependencies", /gem "shakapacker", "[^
 gsub_file_content("../spec/dummy/package.json", /"shakapacker": "[^"]*",/, '"shakapacker": "8.2.0",')
 
 # The below packages don't work on the oldest supported Node version and aren't needed there anyway
+# Note: All dev dependencies remain in root package.json even after workspace migration
 gsub_file_content("../package.json", /"[^"]*eslint[^"]*": "[^"]*",?/, "")
 gsub_file_content("../package.json", /"globals": "[^"]*",/, "")
 gsub_file_content("../package.json", /"knip": "[^"]*",/, "")
@@ -37,10 +38,14 @@ gsub_file_content("../package.json", /"react": "[^"]*",/, '"react": "18.0.0",')
 gsub_file_content("../package.json", /"react-dom": "[^"]*",/, '"react-dom": "18.0.0",')
 gsub_file_content("../spec/dummy/package.json", /"react": "[^"]*",/, '"react": "18.0.0",')
 gsub_file_content("../spec/dummy/package.json", /"react-dom": "[^"]*",/, '"react-dom": "18.0.0",')
+# Update workspace package peerDependencies for minimum React version
+gsub_file_content("../packages/react-on-rails/package.json", /"react": ">= 16",/, '"react": ">= 18",')
+gsub_file_content("../packages/react-on-rails/package.json", /"react-dom": ">= 16",/, '"react-dom": ">= 18",')
+# Update workspace package jest command for minimum Node version support
 gsub_file_content(
-  "../package.json",
-  "jest node_package/tests",
-  'jest node_package/tests --testPathIgnorePatterns=\".*(RSC|stream|' \
+  "../packages/react-on-rails/package.json",
+  "cd ../.. && jest node_package/tests",
+  'cd ../.. && jest node_package/tests --testPathIgnorePatterns=\".*(RSC|stream|' \
   'registerServerComponent|serverRenderReactComponent|SuspenseHydration).*\"'
 )
 # Keep modern JSX transform for React 18+