fix(e2e): parse E2E_WORKERS as number for playwright config

[jacekradko]

Summary

• Fix config.workers must be a number or percentage error introduced in fix(e2e): reduce playwright workers for staging to avoid FAPI rate limiting #8132
• Playwright doesn't accept numeric strings like '2' — needs Number() parsing
• This broke all staging E2E tests

Test plan

• E2E_WORKERS=2 node -e "console.log(Number('2'))" → 2 (number)
• Without E2E_WORKERS, falls back to percentage strings as before

Summary by CodeRabbit

• Chores
  • Improved E2E test worker configuration to properly process environment variable values, ensuring correct type handling during test execution.

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Latest commit: 7d26b3b

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Project	Deployment	Actions	Updated (UTC)
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commit: 7d26b3b

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Review profile: ASSERTIVE

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Run ID: c31bdbfe-356d-4cad-b37b-3cbce08b6567

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📒 Files selected for processing (1)

• integration/playwright.config.ts

---

📝 Walkthrough

Walkthrough

Updated Playwright worker configuration to handle the process.env.E2E_WORKERS environment variable by coercing it from a string to a Number type when set. The fallback behavior remains unchanged, applying '50%' in CI environments and '70%' otherwise when the environment variable is not defined. This is a minimal change affecting a single line of code.

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: parsing E2E_WORKERS as a number for the Playwright configuration to fix a type validation error.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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