test: ensure if evaluated in loop

[ultmaster]

Summary

• test for evaluating if attribute on each iteration of a for loop

Testing

• npm run build-webview
• npm run build-cli
• npm run lint
• npm test
• python -m pytest python/tests

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https://chatgpt.com/codex/tasks/task_e_688a3ef9b05c832eb575d6eee8686b92

[Copilot]

Pull Request Overview

This PR adds test cases to verify that the if attribute is properly evaluated on each iteration of a for loop in the template engine. The tests ensure that conditional rendering works correctly within loop contexts.

• Adds test for if attribute evaluation using loop variable in conditional expressions
• Adds test for if attribute evaluation using loop metadata (loop.index)

Comments suppressed due to low confidence (2)

packages/poml/tests/file.test.tsx:185

• [nitpick] The test name 'forLoopIf' should be more descriptive. Consider renaming to 'evaluatesIfAttributeInForLoop' or 'forLoopWithConditionalRendering' to better describe what is being tested.

  test('forLoopIf', async () => {

packages/poml/tests/file.test.tsx:190

• [nitpick] The test name 'forLoopIfLoopIndex' should be more descriptive. Consider renaming to 'evaluatesIfAttributeUsingLoopIndex' or 'forLoopConditionalWithLoopMetadata' to better describe what is being tested.

  test('forLoopIfLoopIndex', async () => {