Handle USPTO ODP timeout failures

[srdco]

Motivation

• Make optional USPTO ODP enrichment non-blocking so slow or unreachable USPTO endpoints do not turn an otherwise successful OPS family import into a 500 error by catching connection/timeout failures and returning an empty enrichment.

Description

• Add use Illuminate\Http\Client\ConnectionException; to app/Services/USPTOService.php.
• Wrap the outbound HTTP flow in USPTOService::getApplicationData() in a try/catch (ConnectionException) and return an empty array on connection/timeout failures.
• Preserve the existing Http::timeout(10) usage for outbound USPTO requests and ensure timeouts are handled gracefully by the new catch.
• Add a unit test at tests/Unit/USPTOServiceTest.php that fakes an Http connection timeout and asserts getApplicationData() returns an empty array.

Testing

• Ran php -l app/Services/USPTOService.php and the file passed PHP lint checks.
• Ran php -l tests/Unit/USPTOServiceTest.php and the new test file passed PHP lint checks.
• Attempted to run ./vendor/bin/phpunit --filter USPTOServiceTest but it could not be executed in this workspace because phpunit is not installed, so the unit test was added but not executed here.

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Codex Task

[chatgpt-codex-connector]

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